A sum of money at compound interest doubles itself in 15 years. It will become eight times of itself in how many years at the same rate of interest per annum?

A sum of money at compound interest doubles itself in 15 years. It wil

1.	A sum of money at compound interest doubles itself in 15 years. It will become eight times of itself in how many years at the same rate of interest per annum?
A.	60 years
B.	54 years
C.	48 years
D.	45 years
Answer» E.

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A sum of money at compound interest doubles itself in 15 years. It will become eight times of itself in how many years at the same rate of interest per annum?

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