A sum becomes three times of itself in 10 years at the rate of simple interest. What is the rate of interest per annum?

A sum becomes three times of itself in 10 years at the rate of simple

1.	A sum becomes three times of itself in 10 years at the rate of simple interest. What is the rate of interest per annum?
A.	25%
B.	20%
C.	15%
D.	30%
Answer» C. 15%

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A sum becomes three times of itself in 10 years at the rate of simple interest. What is the rate of interest per annum?

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