1. | What sum of money will amount to 520 in 5 years and to 568 in 7 years at simple interest ? | |
2. | A certain sum of money amounts to Rs. 2200 at 5% p.a. rate of interest, Rs. 2320 at 8% interest in the same period of time. The period of time is ? | |
3. | The simple interest on a sum for 5 years is one fourth of the sum. The rate of interest per annum is ? | |
4. | Mohan lent some amount of money at 9% simple interest and an equal amount of money at 10% simple interest each for two years. If his total interest was Rs. 760, what amount was lent in each case ? | |
5. | A person deposited 500 for 4 years and 600 for 3 years at the same rate of simple interest in a bank. Altogether he received 190 as interest. The rate of simple interest per annum was ? | |
6. | Ratio of the principal and the amount after 1 year is 10:12. Then the rate of interest per annum is ? | |
7. | 800 amounts to 920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to ? | |
8. | A sum of 1000 is lent out partly at 8% and the remaining at 10% per annum. If the yearly income on the average is 9.2%, the two parts respectively are ? | |
9. | What equal instalment of annual payment will discharge a debt which is due as 848 at the end of 4 years at 4% per annum simple interest ? | |
10. | At the same rate of simple interest sum of the interest of 300 for 4 years and the interest of 400 for 3 years is 120. The rate of interest is ? | |