A

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Q. The true discount on a certain sum of money due after 2.5 years at 6% per annum is less than the simple interest on the same sum for the same time by Rs. 81. Find the sum?

  • (A) Rs. 4140
  • (B) Rs. 4240
  • (C) Rs. 4150
  • (D) Rs. 4250
  • Correct Answer - Option(A)
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Explanation by: Admin
Req. amount = [81 x (100 + 6 x 5/2) x 100] / [(6 x 5/2)2]
= (8100 x 115) / 225
= Rs. 4140
Here, S.I. - T.D. = Rs. 81

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