If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 40, what is the compound interest on the same sum at the rate and for the same time?	Choose the correct choice:  A) s. 41.00  B) s. 51.22  C) s. 51.219  D) s. 41.18  E) s. 51.11
Explanation:   Sum = (40 * 100) / (2 * 5) = Rs. 400   Amount = [400 * (1 + 5/100)2] = Rs. 441   C.I. = (441 - 400) = Rs. 41   s. 41.00nswer:s. 41.00
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If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 40, what is the compound interest on the same sum at the rate and for the same time?