On a sum of money, the S.I. for 2 years is Rs. 660, while the C.I. is Rs. 696.30, the rate of interest being the same in both the cases. The rate of interest is?	Choose the correct choice from the following answers
A) 120  B) 10%  C) 93%  D) 84%  E) None of these
Explanation:   Difference in C.I. and S.I for 2 years = (696.30 - 660) = Rs. 36.30.   S.I for one year = Rs. 330.   S.I. on Rs. 330 for 1 year = Rs. 36.30   Rate = (100 * 36.30)/(330 * 1)= 
<gadget id="calculator">(100 * 36.30)/(330 * 1)</gadget>
<output>11</output>
11%   Answer: Option None of these
<result>E</result>
On a sum of money, the S.I. for 2 years is Rs. 660, while the C.I. is Rs. 696.30, the rate of interest being the same in both the cases. The rate of interest is?