Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 6 · 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 2% per year for 3 years? (a) ₹2120 (b) ₹160 (c) ₹40 (d) ₹120
2. 2.In how many years will ₹4000 earn ₹640 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
3. 3.₹3000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3540 (b) ₹3810 (c) ₹3270 (d) ₹540
4. 4.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹4200 (b) ₹350 (c) ₹700 (d) ₹1050
5. 5.In how many years will ₹4500 earn ₹1620 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
6. 6.In how many years will ₹5500 earn ₹330 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
7. 7.₹6500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹8775 (b) ₹8320 (c) ₹6955 (d) ₹1820
8. 8.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹1800 (b) ₹300 (c) ₹11500 (d) ₹1500
9. 9.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹160 (b) ₹480 (c) ₹8320 (d) ₹320
10. 10.The simple interest on ₹1500 for 3 years is ₹270. What is the rate per year? (a) 5% (b) 6% (c) 18% (d) 7%
11. 11.₹2500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2800 (b) ₹1200 (c) ₹4000 (d) ₹3700
12. 12.The simple interest on ₹3500 for 2 years is ₹490. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 14%
13. 13.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
14. 14.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
15. 15.In how many years will ₹3500 earn ₹630 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
16. 16.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
17. 17.₹8000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹8960 (b) ₹960 (c) ₹9440 (d) ₹8480
18. 18.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹1710 (b) ₹1425 (c) ₹285 (d) ₹10925
19. 19.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹5940 (b) ₹220 (c) ₹660 (d) ₹440
20. 20.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹60 (b) ₹300 (c) ₹2240 (d) ₹240
21. 21.The simple interest on ₹2000 for 5 years is ₹1200. What is the rate per year? (a) 60% (b) 11% (c) 13% (d) 12%
22. 22.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 5% (b) 12% (c) 7% (d) 6%
23. 23.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 3% (b) 16% (c) 5% (d) 4%
24. 24.In how many years will ₹7000 earn ₹2450 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
25. 25.₹6000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹9600 (b) ₹6720 (c) ₹2880 (d) ₹8880
26. 26.What is the simple interest on ₹1500 at 12% per year for 4 years? (a) ₹2220 (b) ₹900 (c) ₹180 (d) ₹720
27. 27.What is the simple interest on ₹10000 at 10% per year for 3 years? (a) ₹13000 (b) ₹4000 (c) ₹1000 (d) ₹3000
28. 28.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹4480 (b) ₹735 (c) ₹4235 (d) ₹3745
29. 29.₹2500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2800 (b) ₹2600 (c) ₹2700 (d) ₹200
30. 30.What is the simple interest on ₹2000 at 11% per year for 4 years? (a) ₹1100 (b) ₹2880 (c) ₹220 (d) ₹880
31. 31.₹2500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2800 (b) ₹900 (c) ₹3700 (d) ₹3400
32. 32.In how many years will ₹8000 earn ₹960 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
33. 33.What is the simple interest on ₹7500 at 10% per year for 4 years? (a) ₹3000 (b) ₹750 (c) ₹3750 (d) ₹10500
34. 34.In how many years will ₹7500 earn ₹3000 simple interest at 10% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
35. 35.The simple interest on ₹5000 for 4 years is ₹600. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 12%
36. 36.₹9000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹10080 (b) ₹5400 (c) ₹15480 (d) ₹14400
37. 37.What is the simple interest on ₹8000 at 12% per year for 4 years? (a) ₹960 (b) ₹11840 (c) ₹4800 (d) ₹3840
38. 38.₹3500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹3640 (b) ₹420 (c) ₹4060 (d) ₹3920
39. 39.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹1500 (b) ₹1800 (c) ₹4000 (d) ₹300
40. 40.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹300 (b) ₹2200 (c) ₹200 (d) ₹100

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