James lends a sum of money to his friend at interest such that the amount triples after \(5\) years when compounded

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C

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James lends a sum of money to his friend at interest such that the amount triples after \(5\) years when compounded annually. In how many years would the amount payable back become \(9\) times the sum loaned?

A. \(7\)
B. \(8\)
C. \(9\)
D. \(10\)
E. \(11\)

The OA is D
Source: — Problem Solving |