1.

The bankers discount and the true discount of a sum at 10% per annum simple interest for the same time are Rs. 100 and Rs. 80 respectively. What is the sum and the time?

A. um = Rs. 400 and Time = 5 years
B. um = Rs. 200 and Time = 2.5 years
C. um = Rs. 400 and Time = 2.5 years
D. um = Rs. 200 and Time = 5 years
Answer» D. um = Rs. 200 and Time = 5 years


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