A sum of money doubles itself at compound interest in 15 years. In how many years will it become eight times?

A sum of money doubles itself at compound interest in 15 years. In how

1.	A sum of money doubles itself at compound interest in 15 years. In how many years will it become eight times?
A.	35 years
B.	40 years
C.	45 years
D.	50 years
Answer» D. 50 years

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A sum of money doubles itself at compound interest in 15 years. In how many years will it become eight times?

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