Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 623 · 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.₹5000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹6500 (c) ₹5300 (d) ₹6800
2. 2.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 4% (b) 15% (c) 3% (d) 2%
3. 3.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹180 (b) ₹60 (c) ₹240 (d) ₹2180
4. 4.In how many years will ₹10000 earn ₹2400 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
5. 5.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹450 (b) ₹675 (c) ₹225 (d) ₹2950
6. 6.₹6500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹7215 (b) ₹10075 (c) ₹10790 (d) ₹3575
7. 7.In how many years will ₹6000 earn ₹1620 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
8. 8.In how many years will ₹1500 earn ₹660 simple interest at 11% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
9. 9.The simple interest on ₹8000 for 4 years is ₹2880. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 36%
10. 10.In how many years will ₹7000 earn ₹1680 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
11. 11.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹1280 (b) ₹640 (c) ₹9280 (d) ₹1920
12. 12.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
13. 13.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹120 (b) ₹720 (c) ₹6600 (d) ₹600
14. 14.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹1860 (b) ₹450 (c) ₹360 (d) ₹90
15. 15.What is the simple interest on ₹2500 at 5% per year for 4 years? (a) ₹125 (b) ₹625 (c) ₹3000 (d) ₹500
16. 16.The simple interest on ₹4000 for 4 years is ₹1440. What is the rate per year? (a) 9% (b) 8% (c) 36% (d) 10%
17. 17.In how many years will ₹4500 earn ₹1620 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
18. 18.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹490 (b) ₹735 (c) ₹3990 (d) ₹245
19. 19.What is the simple interest on ₹6500 at 2% per year for 2 years? (a) ₹260 (b) ₹130 (c) ₹6760 (d) ₹390
20. 20.In how many years will ₹2000 earn ₹320 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
21. 21.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹1500 (b) ₹1800 (c) ₹300 (d) ₹4000
22. 22.What is the simple interest on ₹5000 at 8% per year for 4 years? (a) ₹2000 (b) ₹400 (c) ₹1600 (d) ₹6600
23. 23.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4360 (b) ₹4120 (c) ₹240 (d) ₹4240
24. 24.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 27%
25. 25.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1350 (b) ₹9525 (c) ₹8175 (d) ₹8850
26. 26.What is the simple interest on ₹5500 at 6% per year for 5 years? (a) ₹1980 (b) ₹1650 (c) ₹330 (d) ₹7150
27. 27.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 2% (b) 3% (c) 9% (d) 4%
28. 28.₹8000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹9120 (b) ₹8560 (c) ₹1120 (d) ₹9680
29. 29.In how many years will ₹3000 earn ₹300 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
30. 30.The simple interest on ₹9000 for 3 years is ₹1080. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%
31. 31.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹280 (b) ₹3710 (c) ₹70 (d) ₹210
32. 32.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹8850 (b) ₹1350 (c) ₹1800 (d) ₹450
33. 33.What is the simple interest on ₹10000 at 6% per year for 4 years? (a) ₹2400 (b) ₹600 (c) ₹3000 (d) ₹12400
34. 34.In how many years will ₹4000 earn ₹1760 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
35. 35.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
36. 36.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹180 (b) ₹60 (c) ₹120 (d) ₹2120
37. 37.In how many years will ₹6500 earn ₹3120 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
38. 38.The simple interest on ₹9500 for 5 years is ₹4275. What is the rate per year? (a) 9% (b) 10% (c) 45% (d) 8%
39. 39.What is the simple interest on ₹8500 at 10% per year for 2 years? (a) ₹10200 (b) ₹1700 (c) ₹2550 (d) ₹850
40. 40.The simple interest on ₹2500 for 4 years is ₹800. What is the rate per year? (a) 32% (b) 7% (c) 9% (d) 8%

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