The sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself?
A. 18
B. 12
C. 9
D. 6
Answer:D
The sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself?
A. 18 B. 12 C. 9 D. 6