Ramesh gets double the amount in 9 years when invested at compound interest. In how many years will the amount become four times itself?
A.13.5 years
B.27 years
C.9 years
D.18 years
Answer:D
Ramesh gets double the amount in 9 years when invested at compound interest. In how many years will the amount become four times itself?
A.13.5 years B.27 years C.9 years D.18 years