The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent?
Pick one
A) 8%	B) 5%	C) 6%	D) 4%	E) 2%
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?