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Simple Interest Problems
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Simple Interest Problems
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25 Questions

1. What annual installment will discharge a debt of Rs. 1092 due in 3 years at 12% Simple Interest ?
2. Rahul too loan 40% of the whole at 15% per annum., half of rest at 10% per annum also, the remaining at 18% per annum Simple Interest . What is the effective rate of interest?
3. what will be the ratio of Simple Interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?
4. Rs. 800 amounts to Rs. 920 in 3 years. If interest rate is increased by 8%, the what will be amount?
5. A sum of Rs. 1550 is lent out into two parts, one at 8% and another one at 6%. If the total annual income is Rs. 106, What is the money lent at 6%.
6. A sum of money Rs 32000 is lent in two parts, one at the rate of 10% and another at 12% . If the annual interest received is Rs 3600. What is the amount lent at 12%?
7. What would be the Simple Interest obtained on an amount of Rs 6535 at the rate of 10% after 6 years?
8. At what rate percent per annum will a sum of money double in 16 years.
9. The difference between the interests received from two scheme on Rs 5000 for two years is Rs 25. The difference between their rates is:
10. Abhilash borrowed some money at certain rate of SI for 3 years. If the rate had been 2% higher, He would have to pay Rs. 360 more. What was the amount.
11. What is the Simple Interest on Rs 2400 for 9 months at 4 paisa per rupee per month?
12. The Simple Interest on a certain sum of money for 2 1/2 years at 12% per annum is Rs. 40 less than the 2. Simple Interest on the same sum for 3 1/2 years at 10% per annum . What is the sum?
13. The Simple Interest on a sum of money is 4 /25th of the principal and the rate of interest is equal to the number of years . What is the rate of interest?
14. Rs.1000 contributed at 5% per annum Simple Interest. If the interest is added to the principal at regular intervals, the sum will be gets to be Rs 2000 after. 2
15. The difference between the Simple Interest received from two different sources on Rs. 1500 for 3 years is Rs. 13.50. Then difference between their rate of interest is?
16. A sum of money at Simple Interest amounts to RS. 815 in 3 years and to 854 in 4 years. The sum is?
17. Manu borrows Rs. 5000 for 2 years at 4% per annum Simple Interest . he immediately lends it to another person at 6 1/4% per annum for 2 years find his gain in the transaction per year?
18. What will be the interest on Rs 2400 for 8 years 4 months at 6% per annum rate of interest ?
19. Divide Rs. 2379 into 3 parts so that their amounts after 2,3 and 4 years respectively may be equal, the rate of interest being 5% per annum at Simple Interest . The first part is?
20. A sum was put at a Simple Interest at a certain rate of 4 years. Had it been put a 4% higher rate, it would have fetched Rs 720 more. What is the principal?
21. The Simple Interest on a sum of money is 4/9 of the principal .What is the rate percent and time, if both are numerically equal.
22. Rs. 800 becomes Rs. 956 in 3 years at a certain rate of Simple Interest . If the rate of interest is increased by 4%, What amount will Rs. 800 become in 3 years?
23. A certain sum of money amounts to Rs. 1008 in 2 years and to Rs.1164 in 3 ½ years. What is the sum and rate of interests.
24. At what rate of interest per annum , will Rs 5500 be obtained as Simple Interest on Rs 25000 for 2 years 9 months?
25. What is the Simple Interest on Rs. 3000 at 6.25% per annum for the period from 4th Feb., 2005 to 18th April, 2005.