1. | A sum of Rs. 7,930 is divided into three parts and given on loan at 5% simple interest to A, B and C for 2, 3 and 4 years respectively. If the amounts of all three are equal after their respective periods of loan, then A received a loan of ? | |
2. | A man buys a watch for Rs. 1950 in cash and sells it for Rs. 2200 at a credit of 1 year. If the rate of interest be 10% per annum, then how much profit or loss will he have ? | |
3. | The difference between the simple interest received from two different sources on 1500 for 3 years is 13.50. The difference between their rates of interest is ? | |
4. | How much simple interest will Rs. 4000 earn in 18 months at 12% per annum ? | |
5. | In what time will 8,000, at 3% per annum, produce the same interest as 6, 000 does in 5 years at 4 % simple interest ? | |
6. | The population of a village decreases at the rate of 20% per annum. If its population 2 years ago was 10,000, the present population is ? | |
7. | 1,000 is invested at 5% per annum simple interest. If the interest is added to the principal after every 10 years, the amount will become 2,000 after ? | |
8. | A money lender finds that due to fall in the annual rate of interest 8 % to 7 and 3/4 %, his yearly income diminishes by 61.50. His capital is ? | |
9. | A sum of 1600 gives a simple interest of 252 in 2 years and 3 months. The rate of interest per annum is ? | |
10. | The simple interest on a certain sum at 5% per annum for 3 years and 4 years differ by 42. The sum is ? | |