Question 1:

The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent?

A. 4%

B. 5%

Feedback SI = 20 + 20
CI = 20 + 21
20 ---- 1
100 ---- ? => 5%

C. 6%

D. 7%

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