What will be the difference between simple and compound interest @ 10% per annum on the sum of Rs 1000 after 4 years Select the correct option:  A) Rs 62.10  B) Rs 63.10  C) Rs 64.10  D) Rs 65.10  E) None of these
Explanation:   S.I.=1000∗10∗4 /100=400   Rs 64.10.I.=[1000(1+10 /100)4−1000]=464.10   So difference between simple interest and compound interest will be   464.10 - 400= 
<gadget id="calculator">  464.10 - 400</gadget>
<output>64.1</output>
64.10   Option Rs 64.10
<result>C</result>
What will be the difference between simple and compound interest @ 10% per annum on the sum of Rs 1000 after 4 years