A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?

A sum of money place at compound interest doubles itself in 4 years. I

1.	A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?
A.	16
B.	8
C.	12
D.	20
Answer» D. 20

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A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?

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