Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 943 · 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 ₹2000 at 11% per year for 3 years? (a) ₹660 (b) ₹2660 (c) ₹220 (d) ₹880
2. 2.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
3. 3.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 1% (b) 8% (c) 3% (d) 2%
4. 4.What is the simple interest on ₹4500 at 9% per year for 5 years? (a) ₹6525 (b) ₹2025 (c) ₹2430 (d) ₹405
5. 5.₹9500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2280 (b) ₹11780 (c) ₹12540 (d) ₹10260
6. 6.In how many years will ₹1000 earn ₹240 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
7. 7.The simple interest on ₹3500 for 3 years is ₹735. What is the rate per year? (a) 8% (b) 7% (c) 21% (d) 6%
8. 8.The simple interest on ₹6500 for 2 years is ₹910. What is the rate per year? (a) 7% (b) 6% (c) 14% (d) 8%
9. 9.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 8%
10. 10.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
11. 11.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 20%
12. 12.The simple interest on ₹3500 for 4 years is ₹1400. What is the rate per year? (a) 40% (b) 11% (c) 9% (d) 10%
13. 13.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹1350 (b) ₹8850 (c) ₹1800 (d) ₹450
14. 14.₹9000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹9360 (b) ₹1800 (c) ₹11160 (d) ₹10800
15. 15.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹4080 (c) ₹3900 (d) ₹3180
16. 16.In how many years will ₹8500 earn ₹765 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
17. 17.The simple interest on ₹6000 for 2 years is ₹720. What is the rate per year? (a) 12% (b) 6% (c) 7% (d) 5%
18. 18.The simple interest on ₹9500 for 3 years is ₹2850. What is the rate per year? (a) 11% (b) 30% (c) 10% (d) 9%
19. 19.₹1500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1635 (b) ₹2175 (c) ₹675 (d) ₹2310
20. 20.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
21. 21.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹3875 (b) ₹1375 (c) ₹1650 (d) ₹275
22. 22.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹200 (b) ₹4400 (c) ₹400 (d) ₹600
23. 23.The simple interest on ₹2000 for 2 years is ₹480. What is the rate per year? (a) 12% (b) 11% (c) 24% (d) 13%
24. 24.₹6000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1920 (b) ₹6480 (c) ₹7920 (d) ₹8400
25. 25.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 12% (b) 55% (c) 10% (d) 11%
26. 26.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 5% (b) 3% (c) 20% (d) 4%
27. 27.In how many years will ₹6000 earn ₹600 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
28. 28.In how many years will ₹5000 earn ₹1600 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
29. 29.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
30. 30.The simple interest on ₹8000 for 3 years is ₹960. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 12%
31. 31.₹6500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7670 (b) ₹8060 (c) ₹6890 (d) ₹1170
32. 32.In how many years will ₹9000 earn ₹1080 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
33. 33.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹4900 (b) ₹280 (c) ₹1680 (d) ₹1400
34. 34.₹4000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹5400 (b) ₹5120 (c) ₹1120 (d) ₹4280
35. 35.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
36. 36.In how many years will ₹2500 earn ₹375 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
37. 37.In how many years will ₹3000 earn ₹840 simple interest at 7% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
38. 38.In how many years will ₹6500 earn ₹2275 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
39. 39.₹9000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹9360 (c) ₹9180 (d) ₹9540
40. 40.₹4000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹160 (b) ₹4080 (c) ₹4240 (d) ₹4160

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