What is the compound interest paid on a sum of Rs.3500 for the period of 2 years at 10% per annum. Choose the most appropriate option:
A) 630  B) 735  C) 825  D) 600  E) None of these
Solution= Interest % for 1st year= 10   Interest % for 2nd year= 10+ 10% of 10= 10+ 10 *10/100= 
<gadget id="calculator">10+ 10 *10/100</gadget>
<output>11</output>
11   Total % of interest= 10 + 11= 
<gadget id="calculator">10 + 11</gadget>
<output>21</output>
21   Total interest= 21 % 3500 = 3500* (21/100)= 
<gadget id="calculator">3500* (21/100)</gadget>
<output>735</output>
735   Answer 735
<result>B</result>
What is the compound interest paid on a sum of Rs.3500 for the period of 2 years at 10% per annum.