Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 342 · 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.₹7000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹10360 (b) ₹9800 (c) ₹7560 (d) ₹2800
2. 2.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 10% (b) 18% (c) 9% (d) 8%
3. 3.What is the simple interest on ₹6000 at 7% per year for 3 years? (a) ₹7260 (b) ₹1260 (c) ₹1680 (d) ₹420
4. 4.What is the simple interest on ₹4500 at 9% per year for 5 years? (a) ₹405 (b) ₹2430 (c) ₹2025 (d) ₹6525
5. 5.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹2200 (b) ₹100 (c) ₹200 (d) ₹300
6. 6.₹4000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4120 (b) ₹4600 (c) ₹4720 (d) ₹600
7. 7.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹750 (b) ₹900 (c) ₹150 (d) ₹3750
8. 8.In how many years will ₹4000 earn ₹960 simple interest at 8% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
9. 9.₹6500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹6955 (b) ₹8775 (c) ₹9230 (d) ₹2275
10. 10.What is the simple interest on ₹10000 at 4% per year for 4 years? (a) ₹1600 (b) ₹400 (c) ₹11600 (d) ₹2000
11. 11.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹5580 (b) ₹4770 (c) ₹5310 (d) ₹810
12. 12.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹14500 (b) ₹10900 (c) ₹3600 (d) ₹13600
13. 13.The simple interest on ₹8000 for 4 years is ₹1920. What is the rate per year? (a) 24% (b) 6% (c) 7% (d) 5%
14. 14.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 20% (b) 3% (c) 4% (d) 5%
15. 15.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹180 (b) ₹720 (c) ₹9720 (d) ₹900
16. 16.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2575 (b) ₹2725 (c) ₹2800 (d) ₹225
17. 17.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹100 (b) ₹2600 (c) ₹50 (d) ₹150
18. 18.₹3500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3850 (b) ₹4550 (c) ₹4900 (d) ₹1050
19. 19.In how many years will ₹8000 earn ₹2880 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
20. 20.The simple interest on ₹3000 for 5 years is ₹1350. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
21. 21.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹12000 (b) ₹4000 (c) ₹800 (d) ₹4800
22. 22.What is the simple interest on ₹7000 at 9% per year for 4 years? (a) ₹2520 (b) ₹630 (c) ₹3150 (d) ₹9520
23. 23.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹2160 (b) ₹1800 (c) ₹360 (d) ₹10800
24. 24.What is the simple interest on ₹3500 at 6% per year for 5 years? (a) ₹4550 (b) ₹1050 (c) ₹210 (d) ₹1260
25. 25.What is the simple interest on ₹6500 at 2% per year for 2 years? (a) ₹390 (b) ₹6760 (c) ₹260 (d) ₹130
26. 26.In how many years will ₹7500 earn ₹1500 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
27. 27.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹3600 (b) ₹150 (c) ₹600 (d) ₹750
28. 28.In how many years will ₹2000 earn ₹280 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
29. 29.The simple interest on ₹2000 for 4 years is ₹880. What is the rate per year? (a) 44% (b) 12% (c) 10% (d) 11%
30. 30.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹10625 (b) ₹2550 (c) ₹425 (d) ₹2125
31. 31.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹680 (b) ₹340 (c) ₹1020 (d) ₹9180
32. 32.₹7500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹11550 (b) ₹10875 (c) ₹3375 (d) ₹8175
33. 33.The simple interest on ₹6000 for 2 years is ₹1200. What is the rate per year? (a) 9% (b) 10% (c) 20% (d) 11%
34. 34.What is the simple interest on ₹3000 at 6% per year for 3 years? (a) ₹540 (b) ₹3540 (c) ₹180 (d) ₹720
35. 35.What is the simple interest on ₹1000 at 3% per year for 5 years? (a) ₹30 (b) ₹180 (c) ₹1150 (d) ₹150
36. 36.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹5400 (b) ₹5100 (c) ₹5300 (d) ₹300
37. 37.The simple interest on ₹2500 for 4 years is ₹1100. What is the rate per year? (a) 44% (b) 10% (c) 12% (d) 11%
38. 38.The simple interest on ₹8500 for 3 years is ₹2040. What is the rate per year? (a) 24% (b) 9% (c) 8% (d) 7%
39. 39.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1030 (b) ₹150 (c) ₹1180 (d) ₹1150
40. 40.What is the simple interest on ₹9500 at 8% per year for 5 years? (a) ₹760 (b) ₹13300 (c) ₹4560 (d) ₹3800

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