Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 579 · 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 5% per year simple interest. What is the amount after 2 years? (a) ₹5500 (b) ₹5750 (c) ₹5250 (d) ₹500
2. 2.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
3. 3.The simple interest on ₹2500 for 5 years is ₹375. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 15%
4. 4.In how many years will ₹7000 earn ₹3080 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
5. 5.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹6300 (c) ₹7500 (d) ₹7800
6. 6.What is the simple interest on ₹2500 at 6% per year for 3 years? (a) ₹600 (b) ₹150 (c) ₹2950 (d) ₹450
7. 7.What is the simple interest on ₹5500 at 12% per year for 3 years? (a) ₹660 (b) ₹1980 (c) ₹7480 (d) ₹2640
8. 8.₹2000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2240 (b) ₹1200 (c) ₹3200 (d) ₹3440
9. 9.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1120 (b) ₹1100 (c) ₹100 (d) ₹1020
10. 10.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 3% (b) 4% (c) 8% (d) 5%
11. 11.In how many years will ₹7500 earn ₹2475 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
12. 12.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹680 (b) ₹11900 (c) ₹3400 (d) ₹4080
13. 13.In how many years will ₹3000 earn ₹600 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
14. 14.In how many years will ₹2500 earn ₹875 simple interest at 7% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
15. 15.In how many years will ₹8500 earn ₹2040 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
16. 16.What is the simple interest on ₹2000 at 6% per year for 5 years? (a) ₹2600 (b) ₹120 (c) ₹600 (d) ₹720
17. 17.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
18. 18.In how many years will ₹3000 earn ₹750 simple interest at 5% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
19. 19.In how many years will ₹8000 earn ₹2400 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
20. 20.The simple interest on ₹6500 for 3 years is ₹780. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
21. 21.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
22. 22.What is the simple interest on ₹6000 at 6% per year for 2 years? (a) ₹6720 (b) ₹360 (c) ₹720 (d) ₹1080
23. 23.₹6500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7280 (b) ₹780 (c) ₹7540 (d) ₹6760
24. 24.What is the simple interest on ₹10000 at 6% per year for 4 years? (a) ₹600 (b) ₹3000 (c) ₹12400 (d) ₹2400
25. 25.What is the simple interest on ₹9500 at 10% per year for 5 years? (a) ₹14250 (b) ₹5700 (c) ₹950 (d) ₹4750
26. 26.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
27. 27.What is the simple interest on ₹7000 at 12% per year for 2 years? (a) ₹840 (b) ₹2520 (c) ₹8680 (d) ₹1680
28. 28.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹180 (b) ₹150 (c) ₹30 (d) ₹1650
29. 29.₹8000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹11200 (b) ₹3200 (c) ₹12000 (d) ₹8800
30. 30.₹8000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9280 (b) ₹8640 (c) ₹9920 (d) ₹1280
31. 31.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹300 (b) ₹900 (c) ₹8400 (d) ₹1200
32. 32.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
33. 33.₹10000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹11500 (b) ₹1000 (c) ₹10500 (d) ₹11000
34. 34.The simple interest on ₹9000 for 4 years is ₹3960. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 44%
35. 35.In how many years will ₹8500 earn ₹3740 simple interest at 11% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
36. 36.₹6500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹7085 (b) ₹8840 (c) ₹8255 (d) ₹1755
37. 37.In how many years will ₹5000 earn ₹1000 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
38. 38.In how many years will ₹5500 earn ₹825 simple interest at 3% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
39. 39.In how many years will ₹7500 earn ₹1050 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
40. 40.₹9000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹10620 (c) ₹10080 (d) ₹9540

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