Question
Quantitative Aptitude Question on Compound Interest
A certain sum placed at compound interest triples itself in 5 years. In how many years will it amount to nine times at the same rate of interest?
A
8 years
B
10 years
C
12 years
D
14 years
E
16 years
Answer
10 years
Explanation
Solution
The correct answer is option (B): 10 years