Q73
A sum of money at compound interest amounts to thrice of itself in 3 years. In how many years it will be 9 times of itself?
A.
9 years
B.
27 years
C.
6 years
AnswerD.
3 years
Answer: Option C
Solution
Answer: Option C
Solution:
x becomes 3x in 3 yearsTherefore 3x also becomes 9x in 3 years
Required years = 3 + 3 = 6