Compound Interest Questions and Answers for Competitive Exams

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

A, B and C invested amounts in the ratio 3 : 4 : 5 respectively. If the schemes offered compound at the rate of 20 % per annum, 15 % per annum and 10 % per annum respectively, then what will be the ratio of their amounts after 1 year? 

A sum of money invested at compound interest amounts to Rs. 650 at the end of first year and Rs. 676 at the end of second year. The sum of money is 

At what percent per annum will Rs. 3000 amounts to Rs. 3993 in 3 years if the interest is compounded annually?  

The difference between compound interest and simple interest on a sum for 2 year at 20% per annum is Rs 200. If the interest is compounded half yearly, then what is the difference (in Rs) between compound and simple interest for 15 year? 

The compound interest on 12000 for 9 months at 20 % per annum , interest being compounded quarterly is 

A sum of money becomes double in 3 years at compound interest compounded annually at the same rate. In how many years will it become four times of itself? 

The sum for 2 years gives a compound interest of ₹ 3225 at 15 % rate. Then sum is 

On a certain sum of money, the simple interest for 2 years is Rs. 350 at the rate of 4 % per annum. If it was invested at compound interest at the same rate for the same duration as before, how much more interest would be earned? 

On a certain sum of money, the difference between the compound interest for a year, payable half yearly, and the simple interest for a year is Rs. 56.If the rate of interest in both the cases is 16 %, then the sum is