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

A sum invested at 7% simple interest per annum grows to Rs 540 in 5 years. The same amount at 9% simple interest per annum in 3 years will grow to be-

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

There is 50% increase in an amount in 5 years at simple interest. What will be the compound interest of ₹ 12,000 after 3 years at the same rate?

The simple interest on an amount for 6 years at 4% p.a. is ₹7,500 less than the simple interest on the same amount for 11 years. Find the amount.

For a certain sum, if the difference between compound interest and simple interest for 2 years at the rate of interest 5% per annum is ₹5, then find the difference between compound interest and simpl…