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 option:
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 at 12% is Rs.160. ∴ Time =(100x160/1600x12 ) = 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 :