What will be the difference between simple and compound interest at 10% per annum on a sum of Rs. 1000 after 4 years? Choose the correct choice from the following choices:  A) Rs. 64.12  B) Rs. 64.19  C) Rs. 14.19  D) Rs. 64.10  E) Rs. 64.99
Explanation:   S.I. = (1000 * 10 * 4)/100 = Rs. 400   C.I. = [1000 * (1 + 10/100)4 - 1000] = Rs. 464.10 Difference = (464.10 - 400) = Rs. 64.10   Answer: Rs. 64.10
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What will be the difference between simple and compound interest at 10% per annum on a sum of Rs. 1000 after 4 years?