The true discount on Rs.1600 due to after a certain of 5% per annum is Rs.160. The time after which it is due is Choose the correct choice.
A) 27 months	B) 20 months	C) 23 months	D) 12 months	E) 15 months
P.W. = Rs. (1600 - 160) = Rs. 1440
∴ S.I. on Rs.1440 at 5% is Rs. 160.
∴ Time = [100 * 160 / 1440 * 5] = 20/9 years = [20/9 * 12] months = 27 months. 27 monthsnswer : 27 months
<result>A</result>
The true discount on Rs.1600 due to after a certain of 5% per annum is Rs.160. The time after which it is due is