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:
Options:
A) 4
B) 6
C) 8
D) 10
E) 12
Sol.   P.W. = Rs. (1760 - 160) = Rs. 1600   ∴ S.I. on Rs.1600 at 12% is Rs. 160.   ∴ Time = [100 * 160 / 1600 * 12] = 5/6 years = [5/6 * 12= 
<gadget id="calculator">5/6 * 12</gadget>
<output>10</output>
10 months.   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: