The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent?	Select: A) 7% B) 5% C) 8% D) 6% E) 9%
SI = 20 + 20   CI = 20 + 21   20 ---- 1   100 ---- ? =&gt; 5%   Answer:5%
<result>B</result>
The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent?