Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 979 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.₹2500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹450 (b) ₹2725 (c) ₹3175 (d) ₹2950
2. 2.What is the simple interest on ₹9000 at 6% per year for 5 years? (a) ₹540 (b) ₹2700 (c) ₹11700 (d) ₹3240
3. 3.What is the simple interest on ₹4000 at 10% per year for 4 years? (a) ₹2000 (b) ₹400 (c) ₹1600 (d) ₹5600
4. 4.In how many years will ₹9500 earn ₹380 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
5. 5.In how many years will ₹9500 earn ₹1900 simple interest at 5% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
6. 6.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹1425 (b) ₹950 (c) ₹475 (d) ₹10450
7. 7.What is the simple interest on ₹5000 at 4% per year for 2 years? (a) ₹5400 (b) ₹600 (c) ₹200 (d) ₹400
8. 8.The simple interest on ₹3500 for 4 years is ₹1120. What is the rate per year? (a) 9% (b) 8% (c) 32% (d) 7%
9. 9.What is the simple interest on ₹8500 at 9% per year for 4 years? (a) ₹765 (b) ₹11560 (c) ₹3825 (d) ₹3060
10. 10.₹2000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2140 (b) ₹2420 (c) ₹420 (d) ₹2560
11. 11.In how many years will ₹6000 earn ₹720 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
12. 12.In how many years will ₹8500 earn ₹3740 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
13. 13.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹950 (b) ₹760 (c) ₹190 (d) ₹10260
14. 14.₹6000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹7620 (c) ₹6540 (d) ₹7080
15. 15.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹1300 (c) ₹250 (d) ₹1250
16. 16.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹3060 (b) ₹1020 (c) ₹10540 (d) ₹2040
17. 17.In how many years will ₹8500 earn ₹2550 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
18. 18.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹1680 (b) ₹45 (c) ₹225 (d) ₹180
19. 19.What is the simple interest on ₹6500 at 7% per year for 4 years? (a) ₹455 (b) ₹2275 (c) ₹8320 (d) ₹1820
20. 20.In how many years will ₹3000 earn ₹1650 simple interest at 11% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
21. 21.₹5000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5150 (b) ₹5450 (c) ₹5300 (d) ₹300
22. 22.What is the simple interest on ₹8000 at 7% per year for 2 years? (a) ₹1680 (b) ₹9120 (c) ₹560 (d) ₹1120
23. 23.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
24. 24.What is the simple interest on ₹3000 at 9% per year for 5 years? (a) ₹270 (b) ₹1350 (c) ₹1620 (d) ₹4350
25. 25.In how many years will ₹8500 earn ₹510 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
26. 26.₹4500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4860 (b) ₹5580 (c) ₹5940 (d) ₹1080
27. 27.What is the simple interest on ₹2500 at 12% per year for 2 years? (a) ₹3100 (b) ₹300 (c) ₹600 (d) ₹900
28. 28.In how many years will ₹9000 earn ₹720 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
29. 29.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2575 (b) ₹2725 (c) ₹2800 (d) ₹225
30. 30.The simple interest on ₹4500 for 2 years is ₹990. What is the rate per year? (a) 22% (b) 12% (c) 11% (d) 10%
31. 31.₹9000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2700 (b) ₹9540 (c) ₹12240 (d) ₹11700
32. 32.₹4000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2000 (b) ₹6400 (c) ₹6000 (d) ₹4400
33. 33.What is the simple interest on ₹5000 at 12% per year for 2 years? (a) ₹6200 (b) ₹1800 (c) ₹1200 (d) ₹600
34. 34.In how many years will ₹8000 earn ₹1680 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
35. 35.The simple interest on ₹5500 for 4 years is ₹660. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
36. 36.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹3600 (b) ₹600 (c) ₹120 (d) ₹720
37. 37.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 4% (b) 9% (c) 3% (d) 2%
38. 38.The simple interest on ₹3500 for 3 years is ₹840. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 24%
39. 39.The simple interest on ₹10000 for 2 years is ₹800. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 8%
40. 40.In how many years will ₹8000 earn ₹2400 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years

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