<PAGE> PAGE 1
000 B000000 12/31/97
000 C000000 0000948630
000 D000000 N
000 E000000 NF
000 F000000 Y
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000 H000000 N
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000 J000000 A
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004 000000 N
005 000000 N
006 000000 N
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007 B000000 4
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
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007 C030400 N
007 C010500 5
007 C020500 SMALL CAP INDEX FUND
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007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
007 C021000 U.S. BOND INDEX FUND
007 C031000 N
007 C011100 11
007 C021100 EQUITY 500 EQUAL WEIGHTED INDEX FUND
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007 C011200 12
007 C011300 13
007 C011400 14
007 C011500 15
007 C011600 16
007 C011700 17
007 C011800 18
007 C011900 19
007 C012000 20
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<PAGE> PAGE 2
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011 A00AA01 FEDERATED SERVICES COMPANY
011 B00AA01 8-15561
011 C01AA01 PITTSBURG
011 C02AA01 PA
011 C03AA01 15222
011 C04AA01 3775
012 A00AA01 BANKERS TRUST COMPANY
012 B00AA01 84-xxxxx
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<PAGE> PAGE 3
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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<PAGE> PAGE 7
066 A000400 Y
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<PAGE> PAGE 8
072 A000400 12
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<PAGE> PAGE 9
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<PAGE> PAGE 10
030 C000500 0.00
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<PAGE> PAGE 11
070 K020500 Y
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<PAGE> PAGE 12
072EE000500 6062
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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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<PAGE> PAGE 19
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SIGNATURE JAY S. NEUMAN
TITLE SECRETARY
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the BT
Advisor EAFE Equity Index Fund Annual Report dated December 31, 1997 and is
qualified in its entirety by reference to such Annual Report.
</LEGEND>
<CIK> 0000948630
<NAME> BT ADVISOR EAFE EQUITY INDEX FUND ADVISOR CLASS
<SERIES>
<NUMBER> 4
<NAME> EAFE EQUITY INDEX FUND ADVISOR CLASS
<S> <C>
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<GROSS-EXPENSE> 150944
<AVERAGE-NET-ASSETS> 1915255
<PER-SHARE-NAV-BEGIN> 10.14
<PER-SHARE-NII> .05
<PER-SHARE-GAIN-APPREC> .13
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> .69
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.63
<EXPENSE-RATIO> 65
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the BT
Advisor Small Cap Index Fund Annual Report dated December 31, 1997 and is
qualified in its entirety by reference to such Annual Report.
</LEGEND>
<CIK> 0000948630
<NAME> BT ADVISOR FUNDS
<SERIES>
<NUMBER> 5
<NAME> SMALL CAP INDEX FUND ADVISOR CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-START> JAN-01-1997
<PERIOD-END> DEC-31-1997
<INVESTMENTS-AT-COST> 39522189
<INVESTMENTS-AT-VALUE> 39522189
<RECEIVABLES> 124808
<ASSETS-OTHER> 11630
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 39658627
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 13010
<TOTAL-LIABILITIES> 13010
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 31452466
<SHARES-COMMON-STOCK> 114124
<SHARES-COMMON-PRIOR> 6991
<ACCUMULATED-NII-CURRENT> 53464
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (286479)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8426166
<NET-ASSETS> 39645617
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 0
<OTHER-INCOME> 861731
<EXPENSES-NET> 87431
<NET-INVESTMENT-INCOME> 774300
<REALIZED-GAINS-CURRENT> 5721943
<APPREC-INCREASE-CURRENT> 5946591
<NET-CHANGE-FROM-OPS> 12442834
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 715805
<DISTRIBUTIONS-OF-GAINS> 6062224
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1812603
<NUMBER-OF-SHARES-REDEEMED> 657007
<SHARES-REINVESTED> 174689
<NET-CHANGE-IN-ASSETS> (21989285)
<ACCUMULATED-NII-PRIOR> (5031)
<ACCUMULATED-GAINS-PRIOR> 53802
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 196910
<AVERAGE-NET-ASSETS> 644070
<PER-SHARE-NAV-BEGIN> 11.04
<PER-SHARE-NII> .08
<PER-SHARE-GAIN-APPREC> 2.63
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 2.06
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.69
<EXPENSE-RATIO> 45
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the BT
Advisor EAFE Equity Index Fund Annual Report dated December 31, 1997 and is
qualified in its entirety by reference to such Annual Report.
</LEGEND>
<CIK> 0000948630
<NAME> BT ADVISOR FUNDS
<SERIES>
<NUMBER> 4
<NAME> BT ADVISOR EAFE EQUITY INDEX FUND INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-START> JAN-01-1997
<PERIOD-END> DEC-31-1997
<INVESTMENTS-AT-COST> 36731891
<INVESTMENTS-AT-VALUE> 36731891
<RECEIVABLES> 1982625
<ASSETS-OTHER> 9163
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 38723679
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2829
<TOTAL-LIABILITIES> 2829
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 36665584
<SHARES-COMMON-STOCK> 3556906
<SHARES-COMMON-PRIOR> 3735688
<ACCUMULATED-NII-CURRENT> (317554)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (147832)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2529652
<NET-ASSETS> 38720850
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 0
<OTHER-INCOME> 792950
<EXPENSES-NET> 27771
<NET-INVESTMENT-INCOME> 500637
<REALIZED-GAINS-CURRENT> 1947153
<APPREC-INCREASE-CURRENT> 934766
<NET-CHANGE-FROM-OPS> 3382556
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 818191
<DISTRIBUTIONS-OF-GAINS> 2099543
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 18359793
<NUMBER-OF-SHARES-REDEEMED> 25977108
<SHARES-REINVESTED> 2686886
<NET-CHANGE-IN-ASSETS> (1663696)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 4558
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 150944
<AVERAGE-NET-ASSETS> 43642656
<PER-SHARE-NAV-BEGIN> 10.62
<PER-SHARE-NII> .23
<PER-SHARE-GAIN-APPREC> .02
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> .85
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.98
<EXPENSE-RATIO> 40
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the BT
Advisor U.S. Bond Index Fund Annual Report dated December 31, 1997 and is
qualified in its entirety by reference to such Annual Report.
</LEGEND>
<CIK> 0000948630
<NAME> BT ADVISOR FUNDS
<SERIES>
<NUMBER> 10
<NAME> U.S. BOND INDEX FUND ADVISOR CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-START> JAN-01-1997
<PERIOD-END> DEC-31-1997
<INVESTMENTS-AT-COST> 8317460
<INVESTMENTS-AT-VALUE> 8317460
<RECEIVABLES> 37245
<ASSETS-OTHER> 8049
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 8346269
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 16485
<TOTAL-LIABILITIES> 16485
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 7783879
<SHARES-COMMON-STOCK> 23556
<SHARES-COMMON-PRIOR> 5
<ACCUMULATED-NII-CURRENT> 108
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 136018
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 426264
<NET-ASSETS> 8346269
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 0
<OTHER-INCOME> 614718
<EXPENSES-NET> 9848
<NET-INVESTMENT-INCOME> 604870
<REALIZED-GAINS-CURRENT> 224635
<APPREC-INCREASE-CURRENT> 426264
<NET-CHANGE-FROM-OPS> 1255769
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 604762
<DISTRIBUTIONS-OF-GAINS> 88617
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 237843
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 2770
<NET-CHANGE-IN-ASSETS> 8346169
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 63348
<AVERAGE-NET-ASSETS> 84213
<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> .31
<PER-SHARE-GAIN-APPREC> .29
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> .35
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.25
<EXPENSE-RATIO> 40
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the BT
Small Cap Index Fund Annual Report dated December 31, 1997 and is qualified
in its entirety by reference to such Annual Report.
</LEGEND>
<CIK> 0000948630
<NAME> BT ADVISOR FUNDS
<SERIES>
<NUMBER> 5
<NAME> SMALL CAP INDEX ADVISOR FUND INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-START> JAN-01-1997
<PERIOD-END> DEC-31-1997
<INVESTMENTS-AT-COST> 39522189
<INVESTMENTS-AT-VALUE> 39522189
<RECEIVABLES> 124808
<ASSETS-OTHER> 11630
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 39658627
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 13010
<TOTAL-LIABILITIES> 13010
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 31452466
<SHARES-COMMON-STOCK> 3442833
<SHARES-COMMON-PRIOR> 5645008
<ACCUMULATED-NII-CURRENT> 53464
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (286479)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8426166
<NET-ASSETS> 39645617
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 0
<OTHER-INCOME> 861731
<EXPENSES-NET> 87431
<NET-INVESTMENT-INCOME> 774300
<REALIZED-GAINS-CURRENT> 5721943
<APPREC-INCREASE-CURRENT> 5946591
<NET-CHANGE-FROM-OPS> 12442834
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 715805
<DISTRIBUTIONS-OF-GAINS> 6062224
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 35513549
<NUMBER-OF-SHARES-REDEEMED> 71077503
<SHARES-REINVESTED> 6579579
<NET-CHANGE-IN-ASSETS> (21989285)
<ACCUMULATED-NII-PRIOR> (5031)
<ACCUMULATED-GAINS-PRIOR> 53802
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 196910
<AVERAGE-NET-ASSETS> 56784619
<PER-SHARE-NAV-BEGIN> 10.90
<PER-SHARE-NII> .23
<PER-SHARE-GAIN-APPREC> 2.21
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 2.21
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.13
<EXPENSE-RATIO> 25
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
