Banker's Discount Practice Test 2

Question : 4 of 40

Marks: +1, -0

If B.D. and T.D. on a certain sum for the same time and at the same rate be Rs. 172 and Rs. 160 respectively, find the sum.

Solution:

S.D.={B.D.×T.D.}/{B.D.-T.D.}

={172×160}/{172-160}

=6880/3=2293 1/3

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