Ramesh gets double the amount in 9 years when invested at compound interest. In how many years will the amount become four times itself?

Ramesh gets double the amount in 9 years when invested at compound int

1.	Ramesh gets double the amount in 9 years when invested at compound interest. In how many years will the amount become four times itself?
A.	13.5 years
B.	27 years
C.	9 years
D.	18 years
Answer» E.

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Ramesh gets double the amount in 9 years when invested at compound interest. In how many years will the amount become four times itself?

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