The true discount on a bill due 9 months hence at 16% per annum is Rs. 180. The amount of the bill is	Choose the correct choice from the following answers:
A) 1200	B) 1764	C) 1680	D) 1354	E) None of these
Explanation:   Let P.W. be Rs.x.   Then, S.I. on Rs. x at 16% for 9 months = Rs. 180.   x Ã— 16 Ã— (9/12) Ã— (1/100) = 180 or x = 1500.   P.W. = Rs. 1500.   Sum due = P.W. + T.D. = Rs.(1500   180) = Rs. 1680.   Answer: 1680
<result>C</result>
The true discount on a bill due 9 months hence at 16% per annum is Rs. 180. The amount of the bill is