CSAT Practice Questions – Simple and compound interests – Quiz 1

1. How much interest does Arun gets on Rs 16,000, at 8% per annum on simple interest after 2 and half years if interest is calculated half yearly

2. How much extra money will you receive in 3 years if you decide to invest Rs 20,000 in compound interest rather than in simple interest at a rate of 10% per annum.

3. Find the number of years taken (Approximately) by a certain amount of money to get doubled at the rate of 6% per annum compound interest.

4. A sum of money becomes 4 times in 20 year at Simple Interest. Find the rate of interest.

5. The simple interest on a sum of money is 4/9 of the principal and the number of years is equal to the rate per cent per annum. Then rate of interest is?

6. When two equal sums are deposited for 3 year and 2year at a rate of interest of 6% and 8% per annum, respectively and their difference in simple interest is Rs425, then find the amount deposited

7. At compound interest, if certain amount of money doubles in n years, then the amount will be four fold in: