The true discount on Rs. 1760 due after a certain time at 12% per annum is Rs. 160. The time after which it is due is	Choose the correct choice from the following answers
A) 11 B) 66 C) 77 D) 10 E) 81
P.W. = Rs. (1760 -160) = Rs. 1600.   S.I. on Rs. 1600 at 12% is Rs. 160.   Time = 100 x 160 =	5	years = 5	x 12	months = 10 months.   1600 x 12	6	6   Answer: 10
<result>D</result>
The true discount on Rs. 1760 due after a certain time at 12% per annum is Rs. 160. The time after which it is due is