Question
Mathematics Question on SI & CI
If a certain sum invested on compound interest becomes 3 times in 4 years, then the no. of years in which this sum will become 27 times at the same rate of interest is -
A
16 years
B
18 years
C
15 years
D
12 years
Answer
12 years
Explanation
Solution
The correct answer is (D): 12 years