Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 635 · 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 ₹3000 for 3 years is ₹270. What is the rate per year? (a) 2% (b) 4% (c) 9% (d) 3%
2. 2.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 1% (b) 6% (c) 3% (d) 2%
3. 3.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
4. 4.What is the simple interest on ₹3000 at 6% per year for 4 years? (a) ₹180 (b) ₹720 (c) ₹900 (d) ₹3720
5. 5.The simple interest on ₹9000 for 5 years is ₹4050. What is the rate per year? (a) 10% (b) 45% (c) 8% (d) 9%
6. 6.₹3500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹3745 (b) ₹980 (c) ₹4725 (d) ₹4480
7. 7.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 10% (b) 9% (c) 36% (d) 8%
8. 8.The simple interest on ₹3500 for 4 years is ₹420. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 2%
9. 9.The simple interest on ₹8500 for 5 years is ₹1275. What is the rate per year? (a) 2% (b) 4% (c) 15% (d) 3%
10. 10.₹7000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7350 (b) ₹7700 (c) ₹8050 (d) ₹700
11. 11.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10200 (b) ₹10600 (c) ₹10400 (d) ₹400
12. 12.The simple interest on ₹7000 for 5 years is ₹3150. What is the rate per year? (a) 8% (b) 10% (c) 45% (d) 9%
13. 13.₹1500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2220 (b) ₹2400 (c) ₹1680 (d) ₹720
14. 14.In how many years will ₹3000 earn ₹720 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
15. 15.What is the simple interest on ₹9500 at 11% per year for 5 years? (a) ₹14725 (b) ₹6270 (c) ₹5225 (d) ₹1045
16. 16.In how many years will ₹10000 earn ₹600 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
17. 17.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹1120 (c) ₹100 (d) ₹1020
18. 18.What is the simple interest on ₹5000 at 10% per year for 4 years? (a) ₹7000 (b) ₹2000 (c) ₹500 (d) ₹2500
19. 19.What is the simple interest on ₹9500 at 6% per year for 5 years? (a) ₹12350 (b) ₹2850 (c) ₹570 (d) ₹3420
20. 20.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹300 (b) ₹375 (c) ₹2800 (d) ₹75
21. 21.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 6% (b) 10% (c) 4% (d) 5%
22. 22.In how many years will ₹2000 earn ₹800 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
23. 23.₹2500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2775 (b) ₹3875 (c) ₹1100 (d) ₹3600
24. 24.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹1710 (b) ₹855 (c) ₹2565 (d) ₹11210
25. 25.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 12% (b) 5% (c) 6% (d) 7%
26. 26.In how many years will ₹6000 earn ₹1620 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
27. 27.What is the simple interest on ₹9500 at 10% per year for 4 years? (a) ₹3800 (b) ₹13300 (c) ₹950 (d) ₹4750
28. 28.In how many years will ₹1000 earn ₹150 simple interest at 5% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
29. 29.In how many years will ₹7500 earn ₹1050 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
30. 30.What is the simple interest on ₹3000 at 10% per year for 4 years? (a) ₹4200 (b) ₹300 (c) ₹1200 (d) ₹1500
31. 31.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹540 (b) ₹180 (c) ₹3360 (d) ₹360
32. 32.What is the simple interest on ₹7500 at 10% per year for 5 years? (a) ₹11250 (b) ₹4500 (c) ₹750 (d) ₹3750
33. 33.In how many years will ₹6000 earn ₹600 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
34. 34.What is the simple interest on ₹2000 at 6% per year for 4 years? (a) ₹600 (b) ₹120 (c) ₹480 (d) ₹2480
35. 35.The simple interest on ₹2000 for 4 years is ₹240. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 2%
36. 36.₹1500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1665 (b) ₹2325 (c) ₹660 (d) ₹2160
37. 37.The simple interest on ₹3500 for 4 years is ₹1120. What is the rate per year? (a) 8% (b) 9% (c) 32% (d) 7%
38. 38.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹2720 (b) ₹10540 (c) ₹2040 (d) ₹680
39. 39.What is the simple interest on ₹7000 at 12% per year for 4 years? (a) ₹10360 (b) ₹3360 (c) ₹4200 (d) ₹840
40. 40.The simple interest on ₹6000 for 5 years is ₹2700. What is the rate per year? (a) 10% (b) 8% (c) 45% (d) 9%

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