Compound Interest - Questions and Answers

21. The difference between simple interest and compound interest on a sum for 2 years at 8% when the interest is compounded annually is Rs.16. If the interest were compounded half yearly, the difference in two interests would be nearly:

22. A sum of Rs. 12000 deposited at compound interest becomes double after 5 years. After 20 years it will become

23. A sum of Rs.550 was taken as a loan. This is to be repaid in two equal annual instalments. If the rate of interest be 20% compounded annual by then he value of each instalment is:

24. If Rs. 7500 are borrowed at C.I. at the rat of 4% per annum, then after 2 years the amount to be paid is:

25. A man borrows Rs.4000 from a beak at 71/2 compound interest. At the end of every year he pays Rs. 1500 as part repayment of loan and interest. How much does he still how to the bank after three such instalments: