1.  If the banker’s discount on a certain amount of money is Rs.80 and the true discount on the same amount for the same time duration is Rs.64, then the amount due is:
A. Rs. 320
B. Rs. 360
C. Rs. 400
D. None of these

Answer: Option A

Explanation:

Sum = B.D. x T.D. = Rs. 80 x 64



B.D. - T.D. 80 - 64






      = Rs.80 x 64= Rs. 320.


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