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) 6 months B) 8 months C) 9 months D) 10 months E) None
Solution   P.W = Rs. (1760 - 160) = Rs. 1600.   ∴ S.I on Rs.1600 ar 12% is Rs. 160.   ∴ Time = 100 x 160/1600x12 ) = 5/6years = ( 5/6x12 ) months = 10 months.   Answer 10 months
<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 :