What is the compound interest on a sum of ₹25,000 after three years at a rate of 12 per cent per annum interest compounded yearly?  

At what rate per annum will Rs. 32000 yield a compound interest of Rs. 5044 in 9 months interest being compounded quarterly?

The difference between the compound interest (compounded annually) and simple interest on a sum of money deposited for 2 years at 5% per annum is Rs. 15. What is the sum of money deposited?

The compound interest on Rs. 8,000 at 15% per annum for 2 years 4 months, compounded annually is:

A money-lender borrows money at 4% per annum and pays the interest at the end of the year. He lends it at 6% per annum compound interest compounded half yearly and receives the interest at the end of the year. In this way; he ghins Rs. 104.50 a year. The amount of money he borrows, is:

A sum invested at compound inrerest amounts to ₹7,800 in 3 years and ₹11,232 in 5 years. What is the rate per cent? 

If the present worth of a certain sum due 2 years hence at 10% per annum at a compound interest principal is Rs. 2500, find the amount.

Compute the compound interest on ₹ 8,400 for one and half years at 12% rate of interest per annum, compounded half yearly.