Mohit invests रु 8,000 for 3 years at a certain rate of interest, compounded annually. At the en...

A certain sum amounts to Rs. 1000 after 3 years and Rs. 9000 after 5 years at a certain rate of interest compounded annually. What is the amount after 8 years in rupees?

'A' invests Rs.10,000 for 3 years at a certain rate of interest. At the end of the second year, it amounts ta Rs. 11,461. Calculate the rate of interest per annum if interest is compounded annually .

What will be the compound interest on Rs 15,625 for 3 years at 8% per annum, if the interest in compounded annually?