MERRILL LYNCH N Y MUNI BD FD OF M L MULTI ST MUNI SER TRUST
NSAR-A, 2000-03-30
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<PAGE>      PAGE  1
000 A000000 01/31/2000
000 C000000 0000774013
000 D000000 N
000 E000000 F
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 ML MULTI-STATE MUNICIPAL SERIES TRUST
001 B000000 811-4375
001 C000000 6092822800
002 A000000 P.O. BOX 9011
002 B000000 PRINCETON
002 C000000 NJ
002 D010000 08543
002 D020000 9011
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 Y
007 B000000 17
007 C010100  1
007 C020100 MERRILL LYNCH NEW YORK MUNICIPAL BOND FUND
007 C030100 N
007 C010200  2
007 C010300  3
007 C010400  4
007 C020400 ML PENNSYLVANIA MUNICIPAL BOND FUND
007 C030400 N
007 C010500  5
007 C020500 MERRILL LYNCH NEW JERSEY MUNICIPAL BOND FUND
007 C030500 N
007 C010600  6
007 C020600 MERRILL LYNCH FLORIDA MUNICIPAL BOND FUND
007 C030600 N
007 C010700  7
007 C020700 MERRILL LYNCH TEXAS MUNICIPAL BOND FUND
007 C030700 N
007 C010800  8
007 C020800 MERRILL LYNCH ARIZONA MUNICIPAL BOND FUND
007 C030800 N
007 C010900  9
007 C020900 ML MASSACHUSETTS MUNICIPAL BOND FUND
007 C030900 N
007 C011000 10
007 C021000 MERRILL LYNCH OHIO MUNICIPAL BOND FUND
007 C031000 N
007 C011100 11
007 C021100 MERRILL LYNCH MINNESOTA MUNICIPAL BOND FUND
<PAGE>      PAGE  2
007 C031100 N
007 C011200 12
007 C021200 MERRILL LYNCH NORTH CAROLINA MUNICIPAL BOND
007 C031200 N
007 C011300 13
007 C021300 MERRILL LYNCH MICHIGAN MUNICIPAL BOND FUND
007 C031300 N
007 C011400 14
007 C021400 MERRILL LYNCH OREGON MUNICIPAL BOND FUND
007 C031400 N
007 C011500 15
007 C021500 MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND
007 C031500 N
007 C011600 16
007 C021600 MERRILL LYNCH COLORADO MUNICIPAL BOND FUND
007 C031600 N
007 C011700 17
007 C021700 MERRILL LYNCH NEW MEXICO MUNICIPAL BOND FUND
007 C031700 N
007 C011800 18
007 C021800 MERRILL LYNCH CONNECTICUT MUNICIPAL BOND FUND
007 C031800 N
007 C011900 19
007 C012000 20
007 C022000 MERRILL LYNCH ARKANSAS MUNICIPAL BOND FUND
007 C032000 N
007 C012100 21
007 C012200 22
007 C012300 23
007 C012400 24
007 C012500 25
007 C012600 26
007 C012700 27
007 C012800 28
007 C012900 29
007 C013000 30
008 A00AA01 FUND ASSET MANAGEMENT, L.P.
008 B00AA01 A
008 C00AA01 801-12485
008 D01AA01 PRINCETON
008 D02AA01 NJ
008 D03AA01 08543
008 D04AA01 9011
011 A00AA01 MERRILL LYNCH FUNDS DISTRIBUTOR, INC.
011 B00AA01 8-14663
011 C01AA01 PRINCETON
011 C02AA01 NJ
011 C03AA01 08543
011 C04AA01 9011
012 A00AA01 FINANCIAL DATA SERVICES, INC.
012 B00AA01 84-01339
<PAGE>      PAGE  3
012 C01AA01 JACKSONVILLE
012 C02AA01 FL
012 C03AA01 32246
012 C04AA01 6484
013 A00AA01 DELOITTE & TOUCHE LLP
013 B01AA01 PRINCETON
013 B02AA01 NJ
013 B03AA01 08540
014 A00AA01 MLPF&S AND OTHER ML BROKER/DEALER AFFILIATES
014 B00AA01 8-7221
015 A00AA01 STATE STREET BANK AND TRUST COMPANY
015 B00AA01 C
015 C01AA01 BOSTON
015 C02AA01 MA
015 C03AA01 02101
015 E01AA01 X
015 A00AA02 THE BANK OF NEW YORK
015 B00AA02 S
015 C01AA02 NEW YORK
015 C02AA02 NY
015 C03AA02 10286
015 E01AA02 X
015 A00AA03 BANKERS TRUST COMPANY
015 B00AA03 S
015 C01AA03 NEW YORK
015 C02AA03 NY
015 C03AA03 10006
015 E01AA03 X
015 A00AA04 THE CHASE MANHATTAN BANK
015 B00AA04 S
015 C01AA04 NEW YORK
015 C02AA04 NY
015 C03AA04 10017
015 E01AA04 X
015 A00AA05 CUSTODIAL TRUST CO.
015 B00AA05 S
015 C01AA05 NEW YORK
015 C02AA05 NY
015 C03AA05 10167
015 E01AA05 X
015 A00AA06 MORGAN GUARANTY TRUST CO. OF NEW YORK
015 B00AA06 S
015 C01AA06 NEW YORK
015 C02AA06 NY
015 C03AA06 10260
015 E01AA06 X
018  00AA00 Y
019 A00AA00 Y
019 B00AA00  248
019 C00AA00 MERRILLLYN
020 A000001 SALOMON SMITH BARNEY INC.
<PAGE>      PAGE  4
020 B000001 11-2418191
020 C000001     18
020 A000002 BZW SECURITIES INC.
020 C000002     12
020 C000003      0
020 C000004      0
020 C000005      0
020 C000006      0
020 C000007      0
020 C000008      0
020 C000009      0
020 C000010      0
021  000000       30
022 A000001 MORGAN (J.P.) SECURITIES INC.
022 B000001 13-3224016
022 C000001    105892
022 D000001    100545
022 A000002 GOLDMAN, SACHS & CO.
022 B000002 13-5108880
022 C000002     91121
022 D000002     79575
022 A000003 MORGAN STANLEY DEAN WITTER & CO.
022 B000003 13-2655998
022 C000003     87643
022 D000003     80215
022 A000004 SALOMON SMITH BARNEY INC.
022 B000004 11-2418191
022 C000004     59729
022 D000004     65520
022 A000005 PAINEWEBBER INCORPORATED
022 B000005 13-2638166
022 C000005     35522
022 D000005     40984
022 A000006 LEHMAN BROTHERS INC.
022 B000006 13-2518466
022 C000006     43998
022 D000006     28579
022 A000007 FIRST UNION CAPITAL MARKETS
022 B000007 56-1529080
022 C000007     35954
022 D000007     32417
022 A000008 FIRST ALBANY CORPORATION
022 B000008 14-1391446
022 C000008     32034
022 D000008     32919
022 A000009 PRUDENTIAL SECURITIES INCORPORATED
022 B000009 22-2347336
022 C000009     12733
022 D000009     30315
022 A000010 SIMON (WILLIAM E.) & SONS MUNI. SECS., INC.
022 B000010 22-3017217
<PAGE>      PAGE  5
022 C000010     18363
022 D000010     23756
023 C000000     687733
023 D000000     776347
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054 D00AA00 N
054 E00AA00 N
<PAGE>      PAGE  6
054 F00AA00 N
054 G00AA00 N
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054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 N
054 M00AA00 Y
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066 A00AA00 N
067  00AA00 N
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<PAGE>      PAGE  7
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057  000400 N
058 A000400 N
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<PAGE>      PAGE  8
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<PAGE>      PAGE  9
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<PAGE>      PAGE  10
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<PAGE>      PAGE  11
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052  000500 N
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056  000500 Y
057  000500 N
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<PAGE>      PAGE  12
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<PAGE>      PAGE  13
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<PAGE>      PAGE  14
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<PAGE>      PAGE  15
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<PAGE>      PAGE  16
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<PAGE>      PAGE  17
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<PAGE>      PAGE  18
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042 D000700   0
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042 F000700   0
042 G000700   0
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049  000700 N
<PAGE>      PAGE  19
050  000700 N
051  000700 N
052  000700 N
053 A000700 N
055 A000700 Y
055 B000700 N
056  000700 Y
057  000700 N
058 A000700 N
059  000700 Y
060 A000700 N
060 B000700 N
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062 J000700   0.0
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062 L000700   0.0
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064 A000700 Y
064 B000700 N
070 A010700 Y
070 A020700 N
070 B010700 N
070 B020700 N
070 C010700 N
070 C020700 N
070 D010700 N
070 D020700 N
070 E010700 Y
070 E020700 Y
070 F010700 N
070 F020700 N
070 G010700 Y
070 G020700 N
070 H010700 N
070 H020700 N
<PAGE>      PAGE  20
070 I010700 N
070 I020700 N
070 J010700 Y
070 J020700 N
070 K010700 Y
070 K020700 N
070 L010700 N
070 L020700 N
070 M010700 N
070 M020700 N
070 N010700 N
070 N020700 N
070 O010700 Y
070 O020700 N
070 P010700 Y
070 P020700 Y
070 Q010700 Y
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070 R010700 Y
070 R020700 N
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<PAGE>      PAGE  21
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<PAGE>      PAGE  22
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050  000800 N
051  000800 N
052  000800 N
053 A000800 N
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055 B000800 N
056  000800 Y
<PAGE>      PAGE  23
057  000800 N
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070 C010800 N
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070 D010800 N
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070 E020800 N
070 F010800 N
070 F020800 N
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070 H010800 N
070 H020800 N
070 I010800 N
070 I020800 N
070 J010800 Y
070 J020800 N
070 K010800 Y
070 K020800 N
070 L010800 N
<PAGE>      PAGE  24
070 L020800 N
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<PAGE>      PAGE  25
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<PAGE>      PAGE  26
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050  000900 N
051  000900 N
052  000900 N
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057  000900 N
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<PAGE>      PAGE  27
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070 C020900 N
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070 H020900 N
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<PAGE>      PAGE  28
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<PAGE>      PAGE  29
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<PAGE>      PAGE  30
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<PAGE>      PAGE  31
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<PAGE>      PAGE  32
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<PAGE>      PAGE  33
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<PAGE>      PAGE  34
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<PAGE>      PAGE  35
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<PAGE>      PAGE  36
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<PAGE>      PAGE  37
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028 D031200         0
028 D041200       808
028 E011200       634
028 E021200       111
028 E031200         0
028 E041200      2963
028 F011200       452
028 F021200        59
028 F031200         0
028 F041200      1029
028 G011200      2474
028 G021200       498
028 G031200         0
028 G041200      7815
028 H001200       317
029  001200 Y
030 A001200      2
030 B001200  4.00
030 C001200  0.00
031 A001200      0
031 B001200      0
032  001200      0
<PAGE>      PAGE  38
033  001200      2
034  001200 Y
035  001200     10
036 A001200 N
036 B001200      0
042 A001200   0
042 B001200   0
042 C001200 100
042 D001200   0
042 E001200   0
042 F001200   0
042 G001200   0
042 H001200   0
043  001200     85
044  001200      0
049  001200 N
050  001200 N
051  001200 N
052  001200 N
053 A001200 N
055 A001200 Y
055 B001200 N
056  001200 Y
057  001200 N
058 A001200 N
059  001200 Y
060 A001200 N
060 B001200 N
061  001200        0
062 A001200 Y
062 B001200   0.0
062 C001200   0.0
062 D001200   0.0
062 E001200   4.5
062 F001200   0.0
062 G001200   0.0
062 H001200   0.0
062 I001200   0.0
062 J001200   0.0
062 K001200   0.0
062 L001200   0.0
062 M001200   0.0
062 N001200   0.0
062 O001200  94.1
062 P001200   0.0
062 Q001200   0.0
062 R001200   0.0
063 A001200   0
063 B001200 20.3
064 A001200 Y
064 B001200 N
<PAGE>      PAGE  39
070 A011200 Y
070 A021200 N
070 B011200 N
070 B021200 N
070 C011200 N
070 C021200 N
070 D011200 N
070 D021200 N
070 E011200 Y
070 E021200 Y
070 F011200 N
070 F021200 N
070 G011200 Y
070 G021200 N
070 H011200 N
070 H021200 N
070 I011200 N
070 I021200 N
070 J011200 Y
070 J021200 N
070 K011200 Y
070 K021200 N
070 L011200 N
070 L021200 N
070 M011200 N
070 M021200 N
070 N011200 N
070 N021200 N
070 O011200 Y
070 O021200 N
070 P011200 Y
070 P021200 N
070 Q011200 Y
070 Q021200 N
070 R011200 Y
070 R021200 N
071 A001200     10173
071 B001200     12485
071 C001200     40475
071 D001200   25
072 A001200  6
072 B001200     1268
072 C001200        0
072 D001200        0
072 E001200        0
072 F001200      121
072 G001200       21
072 H001200        0
072 I001200       12
072 J001200        3
072 K001200        0
<PAGE>      PAGE  40
072 L001200       21
072 M001200        2
072 N001200        7
072 O001200        0
072 P001200        0
072 Q001200        0
072 R001200       15
072 S001200       19
072 T001200       85
072 U001200        0
072 V001200        0
072 W001200        4
072 X001200      310
072 Y001200        0
072 Z001200      958
072AA001200       53
072BB001200      708
072CC011200        0
072CC021200     2172
072DD011200      263
072DD021200      695
072EE001200        0
073 A011200   0.0000
073 A021200   0.0000
073 B001200   0.0000
073 C001200   0.0000
074 A001200      128
074 B001200        0
074 C001200     1800
074 D001200    37406
074 E001200        0
074 F001200        0
074 G001200        0
074 H001200        0
074 I001200        0
074 J001200        0
074 K001200        0
074 L001200      599
074 M001200        1
074 N001200    39934
074 O001200        0
074 P001200       30
074 Q001200        0
074 R011200        0
074 R021200        0
074 R031200        0
074 R041200      133
074 S001200        0
074 T001200    39771
074 U011200     1060
074 U021200     3035
<PAGE>      PAGE  41
074 V011200     0.00
074 V021200     0.00
074 W001200   0.0000
074 X001200     1390
074 Y001200        0
075 A001200        0
075 B001200    43928
076  001200     0.00
028 A011300      3144
028 A021300       103
028 A031300         0
028 A041300      2040
028 B011300       552
028 B021300       100
028 B031300         0
028 B041300      1482
028 C011300       228
028 C021300       123
028 C031300         0
028 C041300      1445
028 D011300       568
028 D021300        97
028 D031300         0
028 D041300      2186
028 E011300       805
028 E021300       131
028 E031300         0
028 E041300      3361
028 F011300        85
028 F021300        65
028 F031300         0
028 F041300      2200
028 G011300      5382
028 G021300       619
028 G031300         0
028 G041300     12714
028 H001300       597
029  001300 Y
030 A001300      0
030 B001300  4.00
030 C001300  0.00
031 A001300      0
031 B001300      0
032  001300      0
033  001300      0
034  001300 Y
035  001300     31
036 A001300 N
036 B001300      0
042 A001300   0
042 B001300   0
<PAGE>      PAGE  42
042 C001300 100
042 D001300   0
042 E001300   0
042 F001300   0
042 G001300   0
042 H001300   0
043  001300    135
044  001300      0
049  001300 N
050  001300 N
051  001300 N
052  001300 N
053 A001300 N
055 A001300 N
055 B001300 N
056  001300 Y
057  001300 N
058 A001300 N
059  001300 Y
060 A001300 N
060 B001300 N
061  001300        0
062 A001300 Y
062 B001300   0.0
062 C001300   0.0
062 D001300   0.0
062 E001300   6.9
062 F001300   0.0
062 G001300   0.0
062 H001300   0.0
062 I001300   0.0
062 J001300   0.0
062 K001300   0.0
062 L001300   0.0
062 M001300   0.0
062 N001300   0.0
062 O001300  93.9
062 P001300   0.0
062 Q001300   0.0
062 R001300   0.0
063 A001300   0
063 B001300 21.5
064 A001300 Y
064 B001300 N
070 A011300 Y
070 A021300 N
070 B011300 N
070 B021300 N
070 C011300 N
070 C021300 N
070 D011300 N
<PAGE>      PAGE  43
070 D021300 N
070 E011300 Y
070 E021300 Y
070 F011300 N
070 F021300 N
070 G011300 Y
070 G021300 N
070 H011300 N
070 H021300 N
070 I011300 N
070 I021300 N
070 J011300 Y
070 J021300 N
070 K011300 Y
070 K021300 N
070 L011300 N
070 L021300 N
070 M011300 N
070 M021300 N
070 N011300 N
070 N021300 N
070 O011300 Y
070 O021300 N
070 P011300 Y
070 P021300 Y
070 Q011300 Y
070 Q021300 N
070 R011300 Y
070 R021300 N
071 A001300     24173
071 B001300     31408
071 C001300     60714
071 D001300   40
072 A001300  6
072 B001300     1970
072 C001300        0
072 D001300        0
072 E001300        0
072 F001300      185
072 G001300        7
072 H001300        0
072 I001300       21
072 J001300        4
072 K001300        0
072 L001300        7
072 M001300        3
072 N001300        5
072 O001300        0
072 P001300        0
072 Q001300        0
072 R001300       17
<PAGE>      PAGE  44
072 S001300       28
072 T001300      135
072 U001300        0
072 V001300        0
072 W001300        6
072 X001300      418
072 Y001300        0
072 Z001300     1552
072AA001300      704
072BB001300     2282
072CC011300        0
072CC021300     4012
072DD011300      369
072DD021300     1183
072EE001300        0
073 A011300   0.0000
073 A021300   0.0000
073 B001300   0.0000
073 C001300   0.0000
074 A001300       31
074 B001300        0
074 C001300     4100
074 D001300    55985
074 E001300        0
074 F001300        0
074 G001300        0
074 H001300        0
074 I001300        0
074 J001300     2280
074 K001300        0
074 L001300      839
074 M001300        1
074 N001300    63236
074 O001300     3336
074 P001300       46
074 Q001300        0
074 R011300        0
074 R021300        0
074 R031300        0
074 R041300      251
074 S001300        0
074 T001300    59603
074 U011300     1330
074 U021300     5199
074 V011300     0.00
074 V021300     0.00
074 W001300   0.0000
074 X001300     1962
074 Y001300        0
075 A001300        0
075 B001300    67304
<PAGE>      PAGE  45
076  001300     0.00
028 A011400        18
028 A021400        25
028 A031400         0
028 A041400       532
028 B011400        96
028 B021400        24
028 B031400         0
028 B041400       791
028 C011400        40
028 C021400        29
028 C031400         0
028 C041400       448
028 D011400       102
028 D021400        22
028 D031400         0
028 D041400       261
028 E011400       516
028 E021400        37
028 E031400         0
028 E041400       689
028 F011400        22
028 F021400        17
028 F031400         0
028 F041400       679
028 G011400       794
028 G021400       154
028 G031400         0
028 G041400      3400
028 H001400       115
029  001400 Y
030 A001400      0
030 B001400  4.00
030 C001400  0.00
031 A001400      0
031 B001400      0
032  001400      0
033  001400      0
034  001400 Y
035  001400     14
036 A001400 N
036 B001400      0
042 A001400   0
042 B001400   0
042 C001400 100
042 D001400   0
042 E001400   0
042 F001400   0
042 G001400   0
042 H001400   0
043  001400     36
<PAGE>      PAGE  46
044  001400      0
049  001400 N
050  001400 N
051  001400 N
052  001400 N
053 A001400 Y
053 B001400 Y
053 C001400 N
055 A001400 N
055 B001400 N
056  001400 Y
057  001400 N
058 A001400 N
059  001400 Y
060 A001400 N
060 B001400 N
061  001400        0
062 A001400 Y
062 B001400   0.0
062 C001400   0.0
062 D001400   0.0
062 E001400   0.0
062 F001400   0.0
062 G001400   0.0
062 H001400   0.0
062 I001400   0.0
062 J001400   0.0
062 K001400   0.0
062 L001400   0.0
062 M001400   0.0
062 N001400   0.0
062 O001400  96.4
062 P001400   0.0
062 Q001400   0.0
062 R001400   0.0
063 A001400   0
063 B001400 16.4
064 A001400 Y
064 B001400 N
070 A011400 Y
070 A021400 N
070 B011400 N
070 B021400 N
070 C011400 N
070 C021400 N
070 D011400 N
070 D021400 N
070 E011400 Y
070 E021400 Y
070 F011400 N
070 F021400 N
<PAGE>      PAGE  47
070 G011400 Y
070 G021400 N
070 H011400 N
070 H021400 N
070 I011400 N
070 I021400 N
070 J011400 Y
070 J021400 N
070 K011400 Y
070 K021400 N
070 L011400 N
070 L021400 N
070 M011400 N
070 M021400 N
070 N011400 N
070 N021400 N
070 O011400 Y
070 O021400 N
070 P011400 Y
070 P021400 N
070 Q011400 Y
070 Q021400 N
070 R011400 Y
070 R021400 N
071 A001400      7210
071 B001400      9989
071 C001400     17143
071 D001400   42
072 A001400  6
072 B001400      511
072 C001400        0
072 D001400        0
072 E001400        0
072 F001400       49
072 G001400       26
072 H001400        0
072 I001400        5
072 J001400        2
072 K001400        0
072 L001400       34
072 M001400        1
072 N001400        2
072 O001400        0
072 P001400        0
072 Q001400        0
072 R001400       14
072 S001400       21
072 T001400       36
072 U001400        0
072 V001400        0
072 W001400        3
<PAGE>      PAGE  48
072 X001400      193
072 Y001400       32
072 Z001400      350
072AA001400      132
072BB001400      412
072CC011400        0
072CC021400      876
072DD011400       91
072DD021400      258
072EE001400        8
073 A011400   0.0000
073 A021400   0.0000
073 B001400   0.0000
073 C001400   0.0000
074 A001400      556
074 B001400        0
074 C001400        0
074 D001400    15722
074 E001400        0
074 F001400        0
074 G001400        0
074 H001400        0
074 I001400        0
074 J001400      491
074 K001400        0
074 L001400      169
074 M001400        3
074 N001400    16941
074 O001400      514
074 P001400        8
074 Q001400        0
074 R011400        0
074 R021400        0
074 R031400        0
074 R041400      107
074 S001400        0
074 T001400    16312
074 U011400      404
074 U021400     1368
074 V011400     0.00
074 V021400     0.00
074 W001400   0.0000
074 X001400      552
074 Y001400        0
075 A001400        0
075 B001400    17969
076  001400     0.00
028 A011500       576
028 A021500        45
028 A031500         0
028 A041500       802
<PAGE>      PAGE  49
028 B011500       233
028 B021500        46
028 B031500         0
028 B041500      1005
028 C011500        82
028 C021500        58
028 C031500         0
028 C041500       764
028 D011500       134
028 D021500        46
028 D031500         0
028 D041500      1317
028 E011500       268
028 E021500        66
028 E031500         0
028 E041500      1257
028 F011500       143
028 F021500        35
028 F031500         0
028 F041500       912
028 G011500      1436
028 G021500       296
028 G031500         0
028 G041500      6057
028 H001500        73
029  001500 Y
030 A001500      0
030 B001500  4.00
030 C001500  0.00
031 A001500      0
031 B001500      0
032  001500      0
033  001500      0
034  001500 Y
035  001500     38
036 A001500 N
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042 A001500   0
042 B001500   0
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042 D001500   0
042 E001500   0
042 F001500   0
042 G001500   0
042 H001500   0
043  001500     65
044  001500      0
049  001500 N
050  001500 N
051  001500 N
052  001500 N
<PAGE>      PAGE  50
053 A001500 Y
053 B001500 Y
053 C001500 N
055 A001500 Y
055 B001500 N
056  001500 Y
057  001500 N
058 A001500 N
059  001500 Y
060 A001500 N
060 B001500 N
061  001500        0
062 A001500 Y
062 B001500   0.0
062 C001500   0.0
062 D001500   0.0
062 E001500   4.4
062 F001500   0.0
062 G001500   0.0
062 H001500   0.0
062 I001500   0.0
062 J001500   0.0
062 K001500   0.0
062 L001500   0.0
062 M001500   0.0
062 N001500   0.0
062 O001500  96.6
062 P001500   0.0
062 Q001500   0.0
062 R001500   0.0
063 A001500   0
063 B001500 17.9
064 A001500 Y
064 B001500 N
070 A011500 Y
070 A021500 N
070 B011500 N
070 B021500 N
070 C011500 N
070 C021500 N
070 D011500 N
070 D021500 N
070 E011500 Y
070 E021500 Y
070 F011500 N
070 F021500 N
070 G011500 Y
070 G021500 N
070 H011500 N
070 H021500 N
070 I011500 N
<PAGE>      PAGE  51
070 I021500 N
070 J011500 Y
070 J021500 N
070 K011500 Y
070 K021500 N
070 L011500 N
070 L021500 N
070 M011500 N
070 M021500 N
070 N011500 N
070 N021500 N
070 O011500 Y
070 O021500 N
070 P011500 Y
070 P021500 N
070 Q011500 Y
070 Q021500 N
070 R011500 Y
070 R021500 N
071 A001500      4581
071 B001500      4781
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072 A001500  6
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072 G001500       33
072 H001500        0
072 I001500        9
072 J001500        2
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072 T001500       65
072 U001500        0
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072 X001500      242
072 Y001500       42
072 Z001500      595
072AA001500      161
072BB001500      210
<PAGE>      PAGE  52
072CC011500        0
072CC021500     1409
072DD011500       74
072DD021500      521
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073 A021500   0.0000
073 B001500   0.0000
073 C001500   0.0000
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074 B001500        0
074 C001500     1100
074 D001500    24308
074 E001500        0
074 F001500        0
074 G001500        0
074 H001500        0
074 I001500        0
074 J001500        0
074 K001500        0
074 L001500      334
074 M001500        1
074 N001500    25784
074 O001500      440
074 P001500       14
074 Q001500        0
074 R011500        0
074 R021500        0
074 R031500        0
074 R041500      177
074 S001500        0
074 T001500    25153
074 U011500      341
074 U021500     2428
074 V011500     0.00
074 V021500     0.00
074 W001500   0.0000
074 X001500      958
074 Y001500        0
075 A001500        0
075 B001500    28293
076  001500     0.00
028 A011600        55
028 A021600        35
028 A031600         0
028 A041600       543
028 B011600       314
028 B021600        36
028 B031600         0
028 B041600       353
028 C011600        14
<PAGE>      PAGE  53
028 C021600        45
028 C031600         0
028 C041600       331
028 D011600       154
028 D021600        34
028 D031600         0
028 D041600       924
028 E011600       446
028 E021600        46
028 E031600         0
028 E041600      1225
028 F011600        42
028 F021600        25
028 F031600         0
028 F041600       520
028 G011600      1025
028 G021600       221
028 G031600         0
028 G041600      3896
028 H001600       312
029  001600 Y
030 A001600      3
030 B001600  4.00
030 C001600  0.00
031 A001600      0
031 B001600      0
032  001600      0
033  001600      3
034  001600 Y
035  001600      9
036 A001600 N
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042 B001600   0
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042 D001600   0
042 E001600   0
042 F001600   0
042 G001600   0
042 H001600   0
043  001600     36
044  001600      0
049  001600 N
050  001600 N
051  001600 N
052  001600 N
053 A001600 Y
053 B001600 Y
053 C001600 N
055 A001600 N
055 B001600 N
<PAGE>      PAGE  54
056  001600 Y
057  001600 N
058 A001600 N
059  001600 Y
060 A001600 N
060 B001600 N
061  001600        0
062 A001600 Y
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062 C001600   0.0
062 D001600   0.0
062 E001600   4.3
062 F001600   0.0
062 G001600   0.0
062 H001600   0.0
062 I001600   0.0
062 J001600   0.0
062 K001600   0.0
062 L001600   0.0
062 M001600   0.0
062 N001600   0.0
062 O001600  96.5
062 P001600   0.0
062 Q001600   0.0
062 R001600   0.0
063 A001600   0
063 B001600 18.7
064 A001600 Y
064 B001600 N
070 A011600 Y
070 A021600 N
070 B011600 N
070 B021600 N
070 C011600 N
070 C021600 N
070 D011600 N
070 D021600 N
070 E011600 Y
070 E021600 Y
070 F011600 N
070 F021600 N
070 G011600 Y
070 G021600 N
070 H011600 N
070 H021600 N
070 I011600 N
070 I021600 N
070 J011600 Y
070 J021600 N
070 K011600 Y
070 K021600 N
<PAGE>      PAGE  55
070 L011600 N
070 L021600 N
070 M011600 N
070 M021600 N
070 N011600 N
070 N021600 N
070 O011600 Y
070 O021600 N
070 P011600 Y
070 P021600 Y
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070 R021600 N
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072 S001600       23
072 T001600       36
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072 Z001600      553
072AA001600       50
072BB001600      605
072CC011600        0
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072EE001600        0
<PAGE>      PAGE  56
073 A011600   0.0000
073 A021600   0.0000
073 B001600   0.0000
073 C001600   0.0000
074 A001600       43
074 B001600        0
074 C001600     1000
074 D001600    22550
074 E001600        0
074 F001600        0
074 G001600        0
074 H001600        0
074 I001600        0
074 J001600        0
074 K001600        0
074 L001600      362
074 M001600       26
074 N001600    23981
074 O001600      523
074 P001600       10
074 Q001600        0
074 R011600        0
074 R021600        0
074 R031600        0
074 R041600       89
074 S001600        0
074 T001600    23359
074 U011600     1214
074 U021600     1346
074 V011600     0.00
074 V021600     0.00
074 W001600   0.0000
074 X001600      599
074 Y001600        0
075 A001600        0
075 B001600    25598
076  001600     0.00
028 A011700         5
028 A021700        15
028 A031700         0
028 A041700       704
028 B011700         3
028 B021700        14
028 B031700         0
028 B041700       615
028 C011700        65
028 C021700        17
028 C031700         0
028 C041700       564
028 D011700         7
028 D021700        13
<PAGE>      PAGE  57
028 D031700         0
028 D041700       364
028 E011700       127
028 E021700        58
028 E031700         0
028 E041700       462
028 F011700        28
028 F021700         9
028 F031700         0
028 F041700       169
028 G011700       235
028 G021700       126
028 G031700         0
028 G041700      2878
028 H001700       128
029  001700 Y
030 A001700      0
030 B001700  4.00
030 C001700  0.00
031 A001700      0
031 B001700      0
032  001700      0
033  001700      0
034  001700 Y
035  001700      8
036 A001700 N
036 B001700      0
042 A001700   0
042 B001700   0
042 C001700 100
042 D001700   0
042 E001700   0
042 F001700   0
042 G001700   0
042 H001700   0
043  001700     13
044  001700      0
049  001700 N
050  001700 N
051  001700 N
052  001700 N
053 A001700 Y
053 B001700 Y
053 C001700 N
055 A001700 N
055 B001700 N
056  001700 Y
057  001700 N
058 A001700 N
059  001700 Y
060 A001700 N
<PAGE>      PAGE  58
060 B001700 N
061  001700        0
062 A001700 Y
062 B001700   0.0
062 C001700   0.0
062 D001700   0.0
062 E001700   5.1
062 F001700   0.0
062 G001700   0.0
062 H001700   0.0
062 I001700   0.0
062 J001700   0.0
062 K001700   0.0
062 L001700   0.0
062 M001700   0.0
062 N001700   0.0
062 O001700  92.5
062 P001700   0.0
062 Q001700   0.0
062 R001700   0.0
063 A001700   0
063 B001700 20.2
064 A001700 Y
064 B001700 N
070 A011700 Y
070 A021700 N
070 B011700 N
070 B021700 N
070 C011700 N
070 C021700 N
070 D011700 N
070 D021700 N
070 E011700 Y
070 E021700 Y
070 F011700 N
070 F021700 N
070 G011700 Y
070 G021700 N
070 H011700 N
070 H021700 N
070 I011700 N
070 I021700 N
070 J011700 Y
070 J021700 N
070 K011700 Y
070 K021700 N
070 L011700 N
070 L021700 N
070 M011700 N
070 M021700 N
070 N011700 N
<PAGE>      PAGE  59
070 N021700 N
070 O011700 Y
070 O021700 N
070 P011700 Y
070 P021700 N
070 Q011700 Y
070 Q021700 N
070 R011700 Y
070 R021700 N
071 A001700      1229
071 B001700      3193
071 C001700      8358
071 D001700   15
072 A001700  6
072 B001700      266
072 C001700        0
072 D001700        0
072 E001700        0
072 F001700       25
072 G001700       20
072 H001700        0
072 I001700        3
072 J001700        1
072 K001700        0
072 L001700       38
072 M001700        0
072 N001700        3
072 O001700        0
072 P001700        0
072 Q001700        0
072 R001700       14
072 S001700       23
072 T001700       13
072 U001700        0
072 V001700        0
072 W001700        3
072 X001700      143
072 Y001700       18
072 Z001700      141
072AA001700      107
072BB001700       71
072CC011700        0
072CC021700      519
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072DD021700       72
072EE001700       58
073 A011700   0.0000
073 A021700   0.0000
073 B001700   0.0000
073 C001700   0.0000
074 A001700       24
<PAGE>      PAGE  60
074 B001700        0
074 C001700      400
074 D001700     7248
074 E001700        0
074 F001700        0
074 G001700        0
074 H001700        0
074 I001700        0
074 J001700      101
074 K001700        0
074 L001700       85
074 M001700       11
074 N001700     7869
074 O001700        0
074 P001700        3
074 Q001700        0
074 R011700        0
074 R021700        0
074 R031700        0
074 R041700       31
074 S001700        0
074 T001700     7835
074 U011700      389
074 U021700      442
074 V011700     0.00
074 V021700     0.00
074 W001700   0.0000
074 X001700      345
074 Y001700        0
075 A001700        0
075 B001700     9080
076  001700     0.00
028 A011800       368
028 A021800       107
028 A031800         0
028 A041800      1256
028 B011800       705
028 B021800       108
028 B031800         0
028 B041800      2812
028 C011800       426
028 C021800       124
028 C031800         0
028 C041800      1811
028 D011800       711
028 D021800        95
028 D031800         0
028 D041800      1974
028 E011800      1021
028 E021800       140
028 E031800         0
<PAGE>      PAGE  61
028 E041800      5838
028 F011800      2117
028 F021800        68
028 F031800         0
028 F041800       851
028 G011800      5348
028 G021800       642
028 G031800         0
028 G041800     14542
028 H001800      2147
029  001800 Y
030 A001800      2
030 B001800  4.00
030 C001800  0.00
031 A001800      0
031 B001800      0
032  001800      0
033  001800      2
034  001800 Y
035  001800     39
036 A001800 N
036 B001800      0
042 A001800   0
042 B001800   0
042 C001800 100
042 D001800   0
042 E001800   0
042 F001800   0
042 G001800   0
042 H001800   0
043  001800    117
044  001800      0
049  001800 N
050  001800 N
051  001800 N
052  001800 N
053 A001800 Y
053 B001800 Y
053 C001800 N
055 A001800 Y
055 B001800 N
056  001800 Y
057  001800 N
058 A001800 N
059  001800 Y
060 A001800 N
060 B001800 N
061  001800        0
062 A001800 Y
062 B001800   0.0
062 C001800   0.0
<PAGE>      PAGE  62
062 D001800   0.0
062 E001800   3.2
062 F001800   0.0
062 G001800   0.0
062 H001800   0.0
062 I001800   0.0
062 J001800   0.0
062 K001800   0.0
062 L001800   0.0
062 M001800   0.0
062 N001800   0.0
062 O001800  88.2
062 P001800   0.0
062 Q001800   0.0
062 R001800   0.0
063 A001800   0
063 B001800 21.7
064 A001800 Y
064 B001800 N
070 A011800 Y
070 A021800 N
070 B011800 N
070 B021800 N
070 C011800 N
070 C021800 N
070 D011800 N
070 D021800 N
070 E011800 Y
070 E021800 N
070 F011800 N
070 F021800 N
070 G011800 Y
070 G021800 N
070 H011800 N
070 H021800 N
070 I011800 N
070 I021800 N
070 J011800 Y
070 J021800 N
070 K011800 Y
070 K021800 N
070 L011800 N
070 L021800 N
070 M011800 N
070 M021800 N
070 N011800 N
070 N021800 N
070 O011800 Y
070 O021800 N
070 P011800 Y
070 P021800 Y
<PAGE>      PAGE  63
070 Q011800 Y
070 Q021800 N
070 R011800 Y
070 R021800 N
071 A001800     18200
071 B001800     27242
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072 A001800  6
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072 D001800        0
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072 N001800        4
072 O001800        0
072 P001800        0
072 Q001800        0
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072 S001800       24
072 T001800      117
072 U001800        0
072 V001800        0
072 W001800        5
072 X001800      365
072 Y001800       29
072 Z001800     1318
072AA001800      568
072BB001800     1669
072CC011800        0
072CC021800     2721
072DD011800      335
072DD021800      983
072EE001800       19
073 A011800   0.0000
073 A021800   0.0000
073 B001800   0.0000
073 C001800   0.0000
074 A001800     2364
074 B001800        0
074 C001800     1700
074 D001800    46287
074 E001800        0
074 F001800        0
<PAGE>      PAGE  64
074 G001800        0
074 H001800        0
074 I001800        0
074 J001800     3553
074 K001800        0
074 L001800      751
074 M001800        1
074 N001800    54656
074 O001800     1859
074 P001800       35
074 Q001800        0
074 R011800        0
074 R021800        0
074 R031800        0
074 R041800      287
074 S001800        0
074 T001800    52475
074 U011800     1219
074 U021800     4100
074 V011800     0.00
074 V021800     0.00
074 W001800   0.0000
074 X001800     1171
074 Y001800        0
075 A001800        0
075 B001800    58244
076  001800     0.00
028 A012000         2
028 A022000        13
028 A032000         0
028 A042000       404
028 B012000         3
028 B022000        13
028 B032000         0
028 B042000       161
028 C012000        35
028 C022000        16
028 C032000         0
028 C042000       290
028 D012000         2
028 D022000        12
028 D032000         0
028 D042000       333
028 E012000        25
028 E022000        41
028 E032000         0
028 E042000       494
028 F012000        19
028 F022000         9
028 F032000         0
028 F042000       172
<PAGE>      PAGE  65
028 G012000        86
028 G022000       104
028 G032000         0
028 G042000      1854
028 H002000        38
029  002000 Y
030 A002000      0
030 B002000  4.00
030 C002000  0.00
031 A002000      0
031 B002000      0
032  002000      0
033  002000      0
034  002000 Y
035  002000      4
036 A002000 N
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042 A002000   0
042 B002000   0
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042 D002000   0
042 E002000   0
042 F002000   0
042 G002000   0
042 H002000   0
043  002000     14
044  002000      0
049  002000 N
050  002000 N
051  002000 N
052  002000 N
053 A002000 Y
053 B002000 Y
053 C002000 N
055 A002000 N
055 B002000 N
056  002000 Y
057  002000 N
058 A002000 N
059  002000 Y
060 A002000 N
060 B002000 N
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062 A002000 Y
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062 C002000   0.0
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062 E002000   6.8
062 F002000   0.0
062 G002000   0.0
062 H002000   0.0
<PAGE>      PAGE  66
062 I002000   0.0
062 J002000   0.0
062 K002000   0.0
062 L002000   0.0
062 M002000   0.0
062 N002000   0.0
062 O002000  95.4
062 P002000   0.0
062 Q002000   0.0
062 R002000   0.0
063 A002000   0
063 B002000 17.0
064 A002000 Y
064 B002000 N
070 A012000 Y
070 A022000 N
070 B012000 N
070 B022000 N
070 C012000 N
070 C022000 N
070 D012000 N
070 D022000 N
070 E012000 Y
070 E022000 Y
070 F012000 N
070 F022000 N
070 G012000 Y
070 G022000 N
070 H012000 N
070 H022000 N
070 I012000 N
070 I022000 N
070 J012000 Y
070 J022000 N
070 K012000 Y
070 K022000 N
070 L012000 N
070 L022000 N
070 M012000 N
070 M022000 N
070 N012000 N
070 N022000 N
070 O012000 Y
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071 A002000      2085
<PAGE>      PAGE  67
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073 A012000   0.0000
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<PAGE>      PAGE  68
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074 S002000        0
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074 Y002000        0
075 A002000        0
075 B002000     8318
076  002000     0.00
SIGNATURE   DONALD C. BURKE
TITLE       TREASURER



<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 041
   <NAME> MERRILL LYNCH PENNSYLVANIA MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 042
   <NAME> MERRILL LYNCH PENNSYLVANIA MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 043
   <NAME> MERRILL LYNCH PENNSYLVANIA MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
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<PER-SHARE-NAV-END>                              10.17
<EXPENSE-RATIO>                                   1.40


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 044
   <NAME> MERRILL LYNCH PENNSYLVANIA MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                        106587735
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<PER-SHARE-NAV-END>                              10.18
<EXPENSE-RATIO>                                    .89


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 051
   <NAME> MERRILL LYNCH NEW JERSEY MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                        145900127
<INVESTMENTS-AT-VALUE>                       138768666
<RECEIVABLES>                                 11867414
<ASSETS-OTHER>                                   12325
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<PAYABLE-FOR-SECURITIES>                      19194353
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<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.52
<EXPENSE-RATIO>                                    .72



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 052
   <NAME> MERRILL LYNCH NEW JERSEY MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                        145900127
<INVESTMENTS-AT-VALUE>                       138768666
<RECEIVABLES>                                 11867414
<ASSETS-OTHER>                                   12325
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<TOTAL-ASSETS>                               150648405
<PAYABLE-FOR-SECURITIES>                      19194353
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<TOTAL-LIABILITIES>                           19876881
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<PAID-IN-CAPITAL-COMMON>                     145645903
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<PER-SHARE-NAV-END>                               9.52
<EXPENSE-RATIO>                                   1.22



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 053
   <NAME> MERRILL LYNCH NEW JERSEY MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                        145900127
<INVESTMENTS-AT-VALUE>                       138768666
<RECEIVABLES>                                 11867414
<ASSETS-OTHER>                                   12325
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<PAYABLE-FOR-SECURITIES>                      19194353
<SENIOR-LONG-TERM-DEBT>                              0
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<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.51
<EXPENSE-RATIO>                                   1.32



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 054
   <NAME> MERRILL LYNCH NEW JERSEY MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                        145900127
<INVESTMENTS-AT-VALUE>                       138768666
<RECEIVABLES>                                 11867414
<ASSETS-OTHER>                                   12325
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<TOTAL-ASSETS>                               150648405
<PAYABLE-FOR-SECURITIES>                      19194353
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       682528
<TOTAL-LIABILITIES>                           19876881
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<PAID-IN-CAPITAL-COMMON>                     145645903
<SHARES-COMMON-STOCK>                           849753
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<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.52
<EXPENSE-RATIO>                                    .82



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 061
   <NAME> MERRILL LYNCH FLORIDA MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                        195452889
<INVESTMENTS-AT-VALUE>                       189990733
<RECEIVABLES>                                  3731974
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<PAYABLE-FOR-SECURITIES>                       9696954
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<PER-SHARE-NAV-END>                               9.38
<EXPENSE-RATIO>                                    .69


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 062
   <NAME> MERRILL LYNCH FLORIDA MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
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<PER-SHARE-NAV-END>                               9.38
<EXPENSE-RATIO>                                   1.19


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 063
   <NAME> MERRILL LYNCH FLORIDA MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                        195452889
<INVESTMENTS-AT-VALUE>                       189990733
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<EXPENSE-RATIO>                                   1.29


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 064
   <NAME> MERRILL LYNCH FLORIDA MUNICIPAL BOND FUND

<S>                             <C>
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<EXPENSE-RATIO>                                    .79


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 071
   <NAME> MERRILL LYNCH TEXAS MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
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<EXPENSE-RATIO>                                    .98


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 072
   <NAME> MERRILL LYNCH TEXAS MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
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<EXPENSE-RATIO>                                   1.49


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 073
   <NAME> MERRILL LYNCH TEXAS MUNICIPAL BOND FUND

<S>                             <C>
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<EXPENSE-RATIO>                                   1.60


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 074
   <NAME> MERRILL LYNCH TEXAS MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 081
   <NAME> MERRILL LYNCH ARIZONA MUNICIPAL BOND FUND

<S>                             <C>
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<EXPENSE-RATIO>                                    .85


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 082
   <NAME> MERRILL LYNCH ARIZONA MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 083
   <NAME> MERRILL LYNCH ARIZONA MUNICIPAL BOND FUND

<S>                             <C>
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<PER-SHARE-NAV-END>                               9.93
<EXPENSE-RATIO>                                   1.46


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 084
   <NAME> MERRILL LYNCH ARIZONA MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
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<PER-SHARE-NAV-END>                               9.92
<EXPENSE-RATIO>                                    .95



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 091
   <NAME> MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                         48931168
<INVESTMENTS-AT-VALUE>                        47571678
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<PER-SHARE-NAV-END>                               9.75
<EXPENSE-RATIO>                                   1.04


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 092
   <NAME> MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                         48931168
<INVESTMENTS-AT-VALUE>                        47571678
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<PER-SHARE-NAV-END>                               9.75
<EXPENSE-RATIO>                                   1.55


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 093
   <NAME> MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                         48931168
<INVESTMENTS-AT-VALUE>                        47571678
<RECEIVABLES>                                   579879
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<NUMBER-OF-SHARES-REDEEMED>                   (170244)
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<PER-SHARE-NAV-END>                               9.74
<EXPENSE-RATIO>                                   1.65


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 094
   <NAME> MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                         48931168
<INVESTMENTS-AT-VALUE>                        47571678
<RECEIVABLES>                                   579879
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<TOTAL-ASSETS>                                48255330
<PAYABLE-FOR-SECURITIES>                             0
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<PER-SHARE-NAV-END>                               9.75
<EXPENSE-RATIO>                                   1.14


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 101
   <NAME> MERRILL LYNCH OHIO MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
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<PER-SHARE-NAV-END>                               9.81
<EXPENSE-RATIO>                                    .89



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 102
   <NAME> MERRILL LYNCH OHIO MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
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<PER-SHARE-NAV-END>                               9.81
<EXPENSE-RATIO>                                   1.40



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 103
   <NAME> MERRILL LYNCH OHIO MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
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<PERIOD-START>                             AUG-01-1999
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 104
   <NAME> MERRILL LYNCH OHIO MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 111
   <NAME> MERRILL LYNCH MINNESOTA MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 112
   <NAME> MERRILL LYNCH MINNESOTA MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 113
   <NAME> MERRILL LYNCH MINNESOTA MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 114
   <NAME> MERRILL LYNCH MINNESOTA MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
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   <NUMBER> 121
   <NAME> MERRILL LYNCH NORTH CAROLINA MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

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<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 122
   <NAME> MERRILL LYNCH NORTH CAROLINA MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 123
   <NAME> MERRILL LYNCH NORTH CAROLINA MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 124
   <NAME> MERRILL LYNCH NORTH CAROLINA MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 131
   <NAME> MERRILL LYNCH MICHIGAN MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 132
   <NAME> MERRILL LYNCH MICHIGAN MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 133
   <NAME> MERRILL LYNCH MICHIGAN MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 134
   <NAME> MERRILL LYNCH MICHIGAN MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 141
   <NAME> MERRILL LYNCH OREGON MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 142
   <NAME> MERRILL LYNCH OREGON MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 143
   <NAME> MERRILL LYNCH OREGON MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 144
   <NAME> MERRILL LYNCH OREGON MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 151
   <NAME> MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 152
   <NAME> MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 153
   <NAME> MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 154
   <NAME> MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 161
   <NAME> MERRILL LYNCH COLORADO MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 162
   <NAME> MERRILL LYNCH COLORADO MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 163
   <NAME> MERRILL LYNCH COLORADO MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 164
   <NAME> MERRILL LYNCH COLORADO MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 171
   <NAME> MERRILL LYNCH NEW MEXICO MUNICIPAL BOND FUND

<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 172
   <NAME> MERRILL LYNCH NEW MEXICO MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 173
   <NAME> MERRILL LYNCH NEW MEXICO MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 174
   <NAME> MERRILL LYNCH NEW MEXICO MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 181
   <NAME> MERRILL LYNCH CONNECTICUT MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 182
   <NAME> MERRILL LYNCH CONNECTICUT MUNICIPAL BOND FUND

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 183
   <NAME> MERRILL LYNCH CONNECTICUT MUNICIPAL BOND FUND

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<NET-INVESTMENT-INCOME>                        1317968
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<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                     (121042)
<DISTRIBUTIONS-OF-GAINS>                        (1685)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          41746
<NUMBER-OF-SHARES-REDEEMED>                   (201715)
<SHARES-REINVESTED>                               8739
<NET-CHANGE-IN-ASSETS>                      (12392384)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       141256
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                    (331145)
<GROSS-ADVISORY-FEES>                           160170
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 365224
<AVERAGE-NET-ASSETS>                           5599415
<PER-SHARE-NAV-BEGIN>                            10.53
<PER-SHARE-NII>                                    .22
<PER-SHARE-GAIN-APPREC>                          (.66)
<PER-SHARE-DIVIDEND>                             (.22)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.87
<EXPENSE-RATIO>                                   1.45



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 184
   <NAME> MERRILL LYNCH CONNECTICUT MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-01-2000
<INVESTMENTS-AT-COST>                         48883869
<INVESTMENTS-AT-VALUE>                        47987412
<RECEIVABLES>                                  4304097
<ASSETS-OTHER>                                 2364393
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                54655902
<PAYABLE-FOR-SECURITIES>                       1858765
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       322125
<TOTAL-LIABILITIES>                            2180890
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      54681264
<SHARES-COMMON-STOCK>                           539955
<SHARES-COMMON-PRIOR>                           682196
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                       (978650)
<OVERDISTRIBUTION-GAINS>                      (331145)
<ACCUM-APPREC-OR-DEPREC>                      (896457)
<NET-ASSETS>                                   5327785
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                              1654070
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                (336102)
<NET-INVESTMENT-INCOME>                        1317968
<REALIZED-GAINS-CURRENT>                     (1101302)
<APPREC-INCREASE-CURRENT>                    (2720798)
<NET-CHANGE-FROM-OPS>                        (2504132)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                     (150150)
<DISTRIBUTIONS-OF-GAINS>                        (1865)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          33377
<NUMBER-OF-SHARES-REDEEMED>                   (183437)
<SHARES-REINVESTED>                               7819
<NET-CHANGE-IN-ASSETS>                      (12392384)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       141256
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                    (331145)
<GROSS-ADVISORY-FEES>                           160170
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 365224
<AVERAGE-NET-ASSETS>                           6219183
<PER-SHARE-NAV-BEGIN>                            10.53
<PER-SHARE-NII>                                    .25
<PER-SHARE-GAIN-APPREC>                          (.66)
<PER-SHARE-DIVIDEND>                             (.25)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.87
<EXPENSE-RATIO>                                    .95



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 201
   <NAME> MERRILL LYNCH ARKANSAS MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                          7374846
<INVESTMENTS-AT-VALUE>                         7470880
<RECEIVABLES>                                    94764
<ASSETS-OTHER>                                   46724
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 7612368
<PAYABLE-FOR-SECURITIES>                        258711
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        45521
<TOTAL-LIABILITIES>                             304232
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       7260168
<SHARES-COMMON-STOCK>                           222231
<SHARES-COMMON-PRIOR>                           250857
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           4387
<OVERDISTRIBUTION-GAINS>                       (52453)
<ACCUM-APPREC-OR-DEPREC>                         96034
<NET-ASSETS>                                   2201079
<DIVIDEND-INCOME>                                    0
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<OTHER-INCOME>                                       0
<EXPENSES-NET>                                (104879)
<NET-INVESTMENT-INCOME>                         142073
<REALIZED-GAINS-CURRENT>                         46413
<APPREC-INCREASE-CURRENT>                     (404901)
<NET-CHANGE-FROM-OPS>                         (216415)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (45093)
<DISTRIBUTIONS-OF-GAINS>                       (12275)
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<NUMBER-OF-SHARES-SOLD>                           3619
<NUMBER-OF-SHARES-REDEEMED>                    (36192)
<SHARES-REINVESTED>                               3947
<NET-CHANGE-IN-ASSETS>                       (2064919)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                     (52453)
<GROSS-ADVISORY-FEES>                            22875
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 123595
<AVERAGE-NET-ASSETS>                           2405941
<PER-SHARE-NAV-BEGIN>                            10.39
<PER-SHARE-NII>                                    .19
<PER-SHARE-GAIN-APPREC>                          (.44)
<PER-SHARE-DIVIDEND>                             (.19)
<PER-SHARE-DISTRIBUTIONS>                        (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.90
<EXPENSE-RATIO>                                   2.63


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 202
   <NAME> MERRILL LYNCH ARKANSAS MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                          7374846
<INVESTMENTS-AT-VALUE>                         7470880
<RECEIVABLES>                                    94764
<ASSETS-OTHER>                                   46724
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 7612368
<PAYABLE-FOR-SECURITIES>                        258711
<SENIOR-LONG-TERM-DEBT>                              0
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<TOTAL-LIABILITIES>                             304232
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       7260168
<SHARES-COMMON-STOCK>                           365497
<SHARES-COMMON-PRIOR>                           463669
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           4387
<OVERDISTRIBUTION-GAINS>                       (52453)
<ACCUM-APPREC-OR-DEPREC>                         96034
<NET-ASSETS>                                   3619114
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               246952
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                (104879)
<NET-INVESTMENT-INCOME>                         142073
<REALIZED-GAINS-CURRENT>                         46413
<APPREC-INCREASE-CURRENT>                     (404901)
<NET-CHANGE-FROM-OPS>                         (216415)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (67350)
<DISTRIBUTIONS-OF-GAINS>                       (21052)
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<NUMBER-OF-SHARES-SOLD>                           4665
<NUMBER-OF-SHARES-REDEEMED>                   (106585)
<SHARES-REINVESTED>                               3748
<NET-CHANGE-IN-ASSETS>                       (2064919)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                     (52453)
<GROSS-ADVISORY-FEES>                            22875
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 123595
<AVERAGE-NET-ASSETS>                           4160096
<PER-SHARE-NAV-BEGIN>                            10.39
<PER-SHARE-NII>                                    .16
<PER-SHARE-GAIN-APPREC>                          (.44)
<PER-SHARE-DIVIDEND>                             (.16)
<PER-SHARE-DISTRIBUTIONS>                        (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.90
<EXPENSE-RATIO>                                   3.14


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 203
   <NAME> MERRILL LYNCH ARKANSAS MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                          7374846
<INVESTMENTS-AT-VALUE>                         7470880
<RECEIVABLES>                                    94764
<ASSETS-OTHER>                                   46724
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<TOTAL-ASSETS>                                 7612368
<PAYABLE-FOR-SECURITIES>                        258711
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        45521
<TOTAL-LIABILITIES>                             304232
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       7260168
<SHARES-COMMON-STOCK>                            89005
<SHARES-COMMON-PRIOR>                            94397
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<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           4387
<OVERDISTRIBUTION-GAINS>                       (52453)
<ACCUM-APPREC-OR-DEPREC>                         96034
<NET-ASSETS>                                    881630
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               246952
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                (104879)
<NET-INVESTMENT-INCOME>                         142073
<REALIZED-GAINS-CURRENT>                         46413
<APPREC-INCREASE-CURRENT>                     (404901)
<NET-CHANGE-FROM-OPS>                         (216415)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (14567)
<DISTRIBUTIONS-OF-GAINS>                        (4804)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              0
<NUMBER-OF-SHARES-REDEEMED>                     (7067)
<SHARES-REINVESTED>                               1675
<NET-CHANGE-IN-ASSETS>                       (2064919)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                     (52453)
<GROSS-ADVISORY-FEES>                            22875
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 123595
<AVERAGE-NET-ASSETS>                            927140
<PER-SHARE-NAV-BEGIN>                            10.39
<PER-SHARE-NII>                                    .16
<PER-SHARE-GAIN-APPREC>                          (.43)
<PER-SHARE-DIVIDEND>                             (.16)
<PER-SHARE-DISTRIBUTIONS>                        (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.91
<EXPENSE-RATIO>                                   3.24


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000774013
<NAME> MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
<SERIES>
   <NUMBER> 204
   <NAME> MERRILL LYNCH ARKANSAS MUNICIPAL BOND FUND

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JAN-31-2000
<INVESTMENTS-AT-COST>                          7374846
<INVESTMENTS-AT-VALUE>                         7470880
<RECEIVABLES>                                    94764
<ASSETS-OTHER>                                   46724
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 7612368
<PAYABLE-FOR-SECURITIES>                        258711
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        45521
<TOTAL-LIABILITIES>                             304232
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       7260168
<SHARES-COMMON-STOCK>                            61226
<SHARES-COMMON-PRIOR>                            93482
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           4387
<OVERDISTRIBUTION-GAINS>                       (52453)
<ACCUM-APPREC-OR-DEPREC>                         96034
<NET-ASSETS>                                    606313
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               246952
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                (104879)
<NET-INVESTMENT-INCOME>                         142073
<REALIZED-GAINS-CURRENT>                         46413
<APPREC-INCREASE-CURRENT>                     (404901)
<NET-CHANGE-FROM-OPS>                         (216415)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (15063)
<DISTRIBUTIONS-OF-GAINS>                        (3895)
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<NUMBER-OF-SHARES-SOLD>                           5312
<NUMBER-OF-SHARES-REDEEMED>                    (38510)
<SHARES-REINVESTED>                                942
<NET-CHANGE-IN-ASSETS>                       (2064919)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                     (52453)
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<AVERAGE-NET-ASSETS>                            825107
<PER-SHARE-NAV-BEGIN>                            10.39
<PER-SHARE-NII>                                    .18
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<PER-SHARE-DIVIDEND>                             (.18)
<PER-SHARE-DISTRIBUTIONS>                        (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.90
<EXPENSE-RATIO>                                   2.72


</TABLE>


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