1. | If the compound interest on a sum of money for 3 years at the rate of 5% per annum is 252.20, the simple interest on the same sum at the same rate and for the same time is ? | |
2. | The sum for 2 years gives a compound interest of Rs. 3225 at the rate of 15% per annum. The sum is ? | |
3. | If Rs. 10000 amounts to Rs. 11664 invested in compound interest (compounded annually) for two years then the annual rate of compound interest is ? | |
4. | The compound interest on Rs. 30,000 at 7% per annum for n years is Rs. 4347. The value of n is ? | |
5. | Two years ago, the value of my motorbike was 62500. If the value depreciates by 4% every year, now its value is ? | |
6. | A sum of 8000 will amount to 8820 in 2 years if the interest is calculated every year. The rate of compound interest is ? | |
7. | If the rate of interest be 4% per annum for first year, 5% per annum for second year and 6% per annum for third year, then the compound interest of 10,000 for 3 years will be ? | |
8. | The compound interest on 30,000 at 7% per annum for a certain time is 4,347. The time is ? | |
9. | A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to four times itself ? | |