Interest Q.9
0. An amount doubles itself in 15 years, what is the rate of interest?
- Option : C
- Explanation : Let the principle be P.
As the amount doubles itself the interest is P too.
So P = P × r × 15/100
⇒ r = 100/15 = 20/3% = 6.66%
0. An amount doubles itself in 15 years, what is the rate of interest?
