1.  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:
A. 6 months
B. 8 months
C. 9 months
D. 10 months

Answer: Option D

Explanation:

P.W. = Rs. (1760 -160) = Rs. 1600.

S.I. on Rs. 1600 at 12% is Rs. 160.

Time = 100 x 160 = 5 years 


1600 x 12 6

    =5x 12months = 10 months.


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