If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same sum at the rate and for the same time?  Choose the correct choice from the following answers:	A) 51.25	B) 51.29	C) 51.22	D) 51.38	E) 51.12
Sum = (50 * 100) / (2 * 5) = Rs. 500   Amount = [500 * (1 + 5/100)2] = Rs. 551.25   C.I. = (551.25 - 500)   = Rs.51.25.   51.25nswer: a
<result>A</result>
If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same sum at the rate and for the same time?