A sum of money invested at compound interest amounts in 3 years to Rs.2400 and in 4 years to Rs.2520. Find the interest rate per annum.
A. 5%
B. 6%
C. 10%
D. 12%
A sum of money invested at compound interest amounts in 3 years to Rs.2400 and in 4 years to Rs.2520. Find the interest rate per annum.
A. 5%
B. 6%
C. 10%
D. 12%