Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 664 · 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.₹10000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2200 (b) ₹12200 (c) ₹13300 (d) ₹11100
2. 2.₹9500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹12920 (b) ₹12350 (c) ₹2850 (d) ₹10070
3. 3.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹400 (b) ₹8800 (c) ₹800 (d) ₹1200
4. 4.₹8000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹8800 (c) ₹8400 (d) ₹9200
5. 5.What is the simple interest on ₹2000 at 4% per year for 3 years? (a) ₹2240 (b) ₹80 (c) ₹240 (d) ₹320
6. 6.The simple interest on ₹6000 for 2 years is ₹720. What is the rate per year? (a) 6% (b) 12% (c) 7% (d) 5%
7. 7.What is the simple interest on ₹2000 at 12% per year for 4 years? (a) ₹2960 (b) ₹1200 (c) ₹960 (d) ₹240
8. 8.The simple interest on ₹1000 for 3 years is ₹300. What is the rate per year? (a) 30% (b) 9% (c) 10% (d) 11%
9. 9.In how many years will ₹6000 earn ₹1440 simple interest at 6% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
10. 10.The simple interest on ₹4500 for 5 years is ₹1575. What is the rate per year? (a) 6% (b) 35% (c) 7% (d) 8%
11. 11.The simple interest on ₹10000 for 4 years is ₹3600. What is the rate per year? (a) 10% (b) 9% (c) 36% (d) 8%
12. 12.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹300 (b) ₹1500 (c) ₹6200 (d) ₹1200
13. 13.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
14. 14.₹5000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹6200 (b) ₹800 (c) ₹5800 (d) ₹5400
15. 15.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 55%
16. 16.₹2000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2300 (b) ₹200 (c) ₹2100 (d) ₹2200
17. 17.₹9500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹14060 (b) ₹13300 (c) ₹3800 (d) ₹10260
18. 18.What is the simple interest on ₹6000 at 2% per year for 2 years? (a) ₹6240 (b) ₹120 (c) ₹360 (d) ₹240
19. 19.The simple interest on ₹7500 for 5 years is ₹2625. What is the rate per year? (a) 7% (b) 6% (c) 35% (d) 8%
20. 20.The simple interest on ₹6500 for 2 years is ₹780. What is the rate per year? (a) 6% (b) 7% (c) 12% (d) 5%
21. 21.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹900 (b) ₹150 (c) ₹750 (d) ₹3750
22. 22.What is the simple interest on ₹1000 at 2% per year for 5 years? (a) ₹1100 (b) ₹20 (c) ₹120 (d) ₹100
23. 23.The simple interest on ₹4500 for 3 years is ₹1620. What is the rate per year? (a) 11% (b) 36% (c) 13% (d) 12%
24. 24.What is the simple interest on ₹9500 at 2% per year for 3 years? (a) ₹760 (b) ₹190 (c) ₹570 (d) ₹10070
25. 25.₹7000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹7630 (b) ₹2520 (c) ₹9520 (d) ₹10150
26. 26.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 18% (b) 7% (c) 6% (d) 5%
27. 27.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
28. 28.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
29. 29.The simple interest on ₹8500 for 2 years is ₹1360. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
30. 30.What is the simple interest on ₹6000 at 9% per year for 3 years? (a) ₹2160 (b) ₹1620 (c) ₹540 (d) ₹7620
31. 31.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹480 (b) ₹6960 (c) ₹960 (d) ₹1440
32. 32.What is the simple interest on ₹9000 at 6% per year for 2 years? (a) ₹1620 (b) ₹1080 (c) ₹10080 (d) ₹540
33. 33.In how many years will ₹9000 earn ₹1080 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
34. 34.What is the simple interest on ₹2500 at 8% per year for 3 years? (a) ₹600 (b) ₹3100 (c) ₹200 (d) ₹800
35. 35.The simple interest on ₹3500 for 5 years is ₹875. What is the rate per year? (a) 25% (b) 5% (c) 4% (d) 6%
36. 36.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹1020 (b) ₹340 (c) ₹680 (d) ₹9180
37. 37.What is the simple interest on ₹10000 at 6% per year for 2 years? (a) ₹11200 (b) ₹600 (c) ₹1200 (d) ₹1800
38. 38.The simple interest on ₹10000 for 3 years is ₹1500. What is the rate per year? (a) 5% (b) 15% (c) 6% (d) 4%
39. 39.In how many years will ₹3500 earn ₹630 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
40. 40.In how many years will ₹4500 earn ₹990 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years

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