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True Discount - General Aptitude

Q1:

The true discount on a bill due 9 months hence at 16% per annum is Rs. 189. The amount of the bill is:

A Rs. 1386

B Rs. 1764

C Rs. 1575

D Rs. 2268

ANS:B - Rs. 1764

Let P.W. be Rs. x. Then, S.I. on Rs. x at 16% for 9 months = Rs. 189.

 x x 16 x 9 x 1 = 189 or x = 1575.
12 100
 P.W. = Rs. 1575.  Sum due = P.W. + T.D. = Rs. (1575 + 189) = Rs. 1764.