Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 590 · 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.The simple interest on ₹8500 for 4 years is ₹3060. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
2. 2.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹170 (b) ₹850 (c) ₹9180 (d) ₹680
3. 3.What is the simple interest on ₹5500 at 12% per year for 4 years? (a) ₹660 (b) ₹8140 (c) ₹3300 (d) ₹2640
4. 4.In how many years will ₹6500 earn ₹3250 simple interest at 10% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
5. 5.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
6. 6.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
7. 7.What is the simple interest on ₹3500 at 3% per year for 2 years? (a) ₹3710 (b) ₹315 (c) ₹210 (d) ₹105
8. 8.In how many years will ₹3000 earn ₹720 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
9. 9.In how many years will ₹9000 earn ₹540 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
10. 10.The simple interest on ₹5000 for 3 years is ₹900. What is the rate per year? (a) 18% (b) 7% (c) 5% (d) 6%
11. 11.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
12. 12.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹570 (b) ₹9785 (c) ₹10070 (d) ₹10355
13. 13.What is the simple interest on ₹2500 at 11% per year for 2 years? (a) ₹550 (b) ₹825 (c) ₹275 (d) ₹3050
14. 14.₹2500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3000 (b) ₹3250 (c) ₹2750 (d) ₹500
15. 15.₹5000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹450 (b) ₹5600 (c) ₹5450 (d) ₹5150
16. 16.The simple interest on ₹1500 for 4 years is ₹480. What is the rate per year? (a) 32% (b) 7% (c) 9% (d) 8%
17. 17.₹7000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹10360 (b) ₹11200 (c) ₹3360 (d) ₹7840
18. 18.What is the simple interest on ₹7500 at 8% per year for 4 years? (a) ₹2400 (b) ₹600 (c) ₹9900 (d) ₹3000
19. 19.The simple interest on ₹3500 for 4 years is ₹280. What is the rate per year? (a) 3% (b) 8% (c) 2% (d) 1%
20. 20.In how many years will ₹10000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
21. 21.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹2600 (b) ₹150 (c) ₹50 (d) ₹100
22. 22.The simple interest on ₹10000 for 5 years is ₹5000. What is the rate per year? (a) 11% (b) 50% (c) 9% (d) 10%
23. 23.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
24. 24.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 4% (b) 5% (c) 8% (d) 3%
25. 25.The simple interest on ₹4000 for 3 years is ₹960. What is the rate per year? (a) 8% (b) 7% (c) 24% (d) 9%
26. 26.₹4000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4400 (b) ₹6000 (c) ₹5600 (d) ₹1600
27. 27.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
28. 28.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹4340 (c) ₹3780 (d) ₹4060
29. 29.What is the simple interest on ₹4000 at 12% per year for 3 years? (a) ₹480 (b) ₹1440 (c) ₹1920 (d) ₹5440
30. 30.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 4% (b) 10% (c) 6% (d) 5%
31. 31.The simple interest on ₹3000 for 3 years is ₹810. What is the rate per year? (a) 10% (b) 27% (c) 9% (d) 8%
32. 32.₹3000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3240 (b) ₹3960 (c) ₹4200 (d) ₹960
33. 33.In how many years will ₹2500 earn ₹1250 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
34. 34.The simple interest on ₹5000 for 2 years is ₹1200. What is the rate per year? (a) 11% (b) 24% (c) 12% (d) 13%
35. 35.The simple interest on ₹4500 for 4 years is ₹720. What is the rate per year? (a) 3% (b) 16% (c) 4% (d) 5%
36. 36.The simple interest on ₹4500 for 4 years is ₹540. What is the rate per year? (a) 3% (b) 2% (c) 12% (d) 4%
37. 37.What is the simple interest on ₹4500 at 8% per year for 4 years? (a) ₹1800 (b) ₹360 (c) ₹1440 (d) ₹5940
38. 38.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹2550 (b) ₹2125 (c) ₹10625 (d) ₹425
39. 39.What is the simple interest on ₹6000 at 2% per year for 4 years? (a) ₹6480 (b) ₹600 (c) ₹480 (d) ₹120
40. 40.In how many years will ₹1500 earn ₹825 simple interest at 11% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years

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