A sum of money invested at compound interest amounts to Rs 4624 in 2 years and to Rs 4913 in 3 years. The sum of money is

On a certain sum of money the compound interest Rs. 318 is earned in 2 years. If the rate of interest is 12%, what is the principal amount?

What is the amount for a sum of money Rs.7500 at 6% rate of interest C.I. for 2 years?

Ramesh borrowed Rs. 3600 at a certain rate of interest C.I. and the sum grows to Rs. 4624 in 2 years. What is the rate of interest?

On lending a certain sum of money on C.I. one gets Rs.9050 in 2 years and Rs.9500 in 3 years. What is the rate of interest?

A principal amounts to ₹944 in 3 years and to ₹1,040 in 5 years, each sum being invested at the same simple interest. The principal (in ₹) is