A certain sum of money yields Rs. 1261 as compound interest for 3 years at 5% per annum. The sum is: 

What is the difference (in ₹) between the simple interest and the compound interest on a sum of ₹8000 for $$32{2\over 5}$$ years at the rate of 10% p.a., when the interest is compounded yearly?

A man buys a scooter on making a cash down payment of Rs. 16224 and promises to pay two more yearly installments of equivalent amount in next two years. If the rate of interest is 4% per annum, compounded. yearly, the cash value of the 50 scooter, is:

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

What will be the difference between the compound interest and the simple interest on a sum of 1000 for 2 years at 5% per annum?

A sum of Rs. 6,000 is deposited for 3 years at 5% per annuam compound interest (compoun- ded annually). The difference of interests for 3 and 2 years will be:

What will be the compound interest on Rs 10000 for 3 years when the rate of interest is 4% in the first year, 5% in the second year and 6% in the third year?

Rs. 10,000 is being compounded at 20% per annum. Calculate the amount after 2 years if the rate of interest is charged half yearly.