Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 714 · 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.What is the simple interest on ₹8500 at 9% per year for 4 years? (a) ₹3060 (b) ₹11560 (c) ₹765 (d) ₹3825
2. 2.In how many years will ₹2500 earn ₹675 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
3. 3.The simple interest on ₹9500 for 4 years is ₹3800. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 40%
4. 4.₹4500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4995 (b) ₹6975 (c) ₹7470 (d) ₹2475
5. 5.The simple interest on ₹9000 for 2 years is ₹720. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 8%
6. 6.The simple interest on ₹7500 for 3 years is ₹1575. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 21%
7. 7.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹675 (b) ₹135 (c) ₹810 (d) ₹5175
8. 8.The simple interest on ₹6500 for 5 years is ₹3900. What is the rate per year? (a) 11% (b) 12% (c) 60% (d) 13%
9. 9.In how many years will ₹10000 earn ₹1500 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
10. 10.In how many years will ₹7000 earn ₹700 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
11. 11.What is the simple interest on ₹2000 at 11% per year for 5 years? (a) ₹1320 (b) ₹3100 (c) ₹1100 (d) ₹220
12. 12.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
13. 13.In how many years will ₹6000 earn ₹2160 simple interest at 12% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
14. 14.In how many years will ₹6500 earn ₹650 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
15. 15.The simple interest on ₹10000 for 5 years is ₹1500. What is the rate per year? (a) 15% (b) 3% (c) 2% (d) 4%
16. 16.₹2000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2800 (b) ₹2200 (c) ₹600 (d) ₹2600
17. 17.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹800 (b) ₹10800 (c) ₹1200 (d) ₹400
18. 18.The simple interest on ₹7500 for 4 years is ₹1200. What is the rate per year? (a) 5% (b) 4% (c) 16% (d) 3%
19. 19.The simple interest on ₹3500 for 3 years is ₹840. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 24%
20. 20.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹11100 (b) ₹900 (c) ₹4500 (d) ₹3600
21. 21.In how many years will ₹7500 earn ₹900 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
22. 22.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8255 (b) ₹7085 (c) ₹7670 (d) ₹1170
23. 23.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹720 (b) ₹5580 (c) ₹4860 (d) ₹5220
24. 24.In how many years will ₹7500 earn ₹900 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
25. 25.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹945 (b) ₹315 (c) ₹630 (d) ₹5130
26. 26.₹1000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹200 (b) ₹1100 (c) ₹1300 (d) ₹1200
27. 27.What is the simple interest on ₹4000 at 3% per year for 4 years? (a) ₹480 (b) ₹120 (c) ₹600 (d) ₹4480
28. 28.In how many years will ₹1000 earn ₹300 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
29. 29.What is the simple interest on ₹2500 at 10% per year for 5 years? (a) ₹1500 (b) ₹250 (c) ₹1250 (d) ₹3750
30. 30.The simple interest on ₹8000 for 4 years is ₹3200. What is the rate per year? (a) 40% (b) 11% (c) 9% (d) 10%
31. 31.In how many years will ₹8000 earn ₹1760 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
32. 32.What is the simple interest on ₹2000 at 5% per year for 3 years? (a) ₹300 (b) ₹100 (c) ₹400 (d) ₹2300
33. 33.What is the simple interest on ₹5000 at 10% per year for 3 years? (a) ₹1500 (b) ₹6500 (c) ₹2000 (d) ₹500
34. 34.What is the simple interest on ₹5000 at 6% per year for 3 years? (a) ₹300 (b) ₹5900 (c) ₹900 (d) ₹1200
35. 35.In how many years will ₹7000 earn ₹2100 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
36. 36.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
37. 37.The simple interest on ₹6500 for 3 years is ₹975. What is the rate per year? (a) 15% (b) 4% (c) 5% (d) 6%
38. 38.In how many years will ₹1500 earn ₹450 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
39. 39.In how many years will ₹7000 earn ₹1680 simple interest at 6% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
40. 40.What is the simple interest on ₹3000 at 9% per year for 3 years? (a) ₹810 (b) ₹3810 (c) ₹270 (d) ₹1080

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