rudreshkumar jha
7 years ago

The interest rate that doubles a sum in 10 years is

A. 8(1/3)

B. 10

C. 12

D. 14

Answer: Option B

Solution (By Examveda Team)

Simple Interest Let,
Principal, P = Rs. 100;
Amount, A = Rs. 200;
Time = 10 years;
Interest = Rs. 100;
Rate of interest = total interest / given time = 100/10 = 10%.

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