A sum of money doubles itself in 3 years at compound interest, when th – InterviewSolution

1.	A sum of money doubles itself in 3 years at compound interest, when the interest is compounded annually. In how many years will the sum amount to 16 times of itself?
Answer» A sum of money doubles itself in $3$ years at compound interest, when the interest is compounded annually. In how many years will the sum amount to $16$ times of itself?

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