A certain sum of money at compound interest turns 2 times itself in 9 years. At the same rate of interest, in how many years will it become 32 times of itself?
1
35 years
2
25 years
3
45 years
4
15 years
A certain sum of money at compound interest turns 2 times itself in 9 years. At the same rate of interest, in how many years will it become 32 times of itself?