Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 455 · 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 ₹6500 for 3 years is ₹1365. What is the rate per year? (a) 6% (b) 8% (c) 21% (d) 7%
2. 2.In how many years will ₹8000 earn ₹1600 simple interest at 5% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
3. 3.In how many years will ₹2000 earn ₹660 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
4. 4.The simple interest on ₹9500 for 5 years is ₹1900. What is the rate per year? (a) 5% (b) 3% (c) 20% (d) 4%
5. 5.In how many years will ₹1000 earn ₹140 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
6. 6.The simple interest on ₹5500 for 4 years is ₹2640. What is the rate per year? (a) 12% (b) 11% (c) 48% (d) 13%
7. 7.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹640 (b) ₹1920 (c) ₹1280 (d) ₹9280
8. 8.What is the simple interest on ₹9000 at 5% per year for 5 years? (a) ₹11250 (b) ₹2250 (c) ₹2700 (d) ₹450
9. 9.In how many years will ₹2500 earn ₹1250 simple interest at 10% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
10. 10.In how many years will ₹6500 earn ₹2275 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
11. 11.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
12. 12.The simple interest on ₹4500 for 5 years is ₹1125. What is the rate per year? (a) 25% (b) 5% (c) 6% (d) 4%
13. 13.In how many years will ₹8500 earn ₹2720 simple interest at 8% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
14. 14.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹60 (b) ₹1040 (c) ₹20 (d) ₹40
15. 15.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
16. 16.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1560 (b) ₹1800 (c) ₹1740 (d) ₹240
17. 17.What is the simple interest on ₹3500 at 7% per year for 4 years? (a) ₹245 (b) ₹4480 (c) ₹980 (d) ₹1225
18. 18.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹360 (b) ₹240 (c) ₹120 (d) ₹1740
19. 19.The simple interest on ₹9000 for 4 years is ₹1080. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 2%
20. 20.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹400 (b) ₹500 (c) ₹100 (d) ₹5400
21. 21.The simple interest on ₹6500 for 4 years is ₹1040. What is the rate per year? (a) 16% (b) 5% (c) 4% (d) 3%
22. 22.The simple interest on ₹3500 for 4 years is ₹280. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 8%
23. 23.In how many years will ₹10000 earn ₹3300 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
24. 24.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹120 (b) ₹360 (c) ₹3240 (d) ₹240
25. 25.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹315 (b) ₹3605 (c) ₹3920 (d) ₹3815
26. 26.In how many years will ₹6500 earn ₹1365 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
27. 27.The simple interest on ₹5500 for 2 years is ₹330. What is the rate per year? (a) 4% (b) 6% (c) 2% (d) 3%
28. 28.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹140 (b) ₹280 (c) ₹7280 (d) ₹420
29. 29.In how many years will ₹2000 earn ₹360 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
30. 30.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹150 (b) ₹750 (c) ₹900 (d) ₹5750
31. 31.What is the simple interest on ₹8500 at 12% per year for 5 years? (a) ₹5100 (b) ₹6120 (c) ₹13600 (d) ₹1020
32. 32.What is the simple interest on ₹4500 at 10% per year for 3 years? (a) ₹1350 (b) ₹450 (c) ₹5850 (d) ₹1800
33. 33.In how many years will ₹10000 earn ₹1000 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
34. 34.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹45 (b) ₹1635 (c) ₹135 (d) ₹180
35. 35.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 40%
36. 36.In how many years will ₹1000 earn ₹400 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
37. 37.What is the simple interest on ₹7000 at 4% per year for 3 years? (a) ₹1120 (b) ₹840 (c) ₹7840 (d) ₹280
38. 38.₹3500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3675 (b) ₹4025 (c) ₹3850 (d) ₹350
39. 39.In how many years will ₹10000 earn ₹1600 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
40. 40.In how many years will ₹6000 earn ₹1440 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years

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