1. | 500 was invested at 12% per annum simple interest and a certain sum of money invested at 10% per annum simple interest. If the sum of the interest on both the sum after 4 years is 480, the latter sum of money is ? | |
2. | A man took a loan from a bank at the rate of 12% per annum at simple interest. After 3 years he had to pay 5,400 as interest only for the period. The principal amount borrowed by him was ? | |
3. | In simple interest rate per annum a certain sum amounts to Rs. 5,182 in 2 years and Rs. 5,832 in 3 years. The principal in rupees is ? | |
4. | If the simple interest for 6 years be equal to 30% of the principal, it will be equal to the principal after ? | |
5. | The rate of simple interest per annum at which a sum of money doubles itself in 16 and 2/3 years is ? | |
6. | 6,000 becomes 7,200 in 4 years at a certain rate of simple interest. If the rate becomes 1.5 times of itself, the amount of the same principal in 5 years will be ? | |
7. | In how many years a sum of Rs. 3000 will yield an interest of Rs. 1080 at 12% per annum simple interest ? | |
8. | If the simple interest on Re. 1 for 1 month is 1 paisa, then the rate per cent per annum will be ? | |
9. | The sum lent at 5% per annum (i.e. 365 days) simple interest, that produces interest, of 2.00 a day, is ? | |
10. | In how many years will a sum of 3,000 yield a simple interest of 1,080 at 12% per annum ? | |