The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent?
Choose the correct choice from the following answers.
A) 4 B) 5 C) 6 D) 1 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?