Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 519 · 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 ₹6500 at 5% per year for 4 years? (a) ₹1625 (b) ₹325 (c) ₹1300 (d) ₹7800
2. 2.In how many years will ₹8000 earn ₹2000 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
3. 3.The simple interest on ₹10000 for 3 years is ₹900. What is the rate per year? (a) 9% (b) 2% (c) 4% (d) 3%
4. 4.The simple interest on ₹7500 for 4 years is ₹2700. What is the rate per year? (a) 10% (b) 36% (c) 9% (d) 8%
5. 5.In how many years will ₹9000 earn ₹2250 simple interest at 5% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
6. 6.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
7. 7.The simple interest on ₹1000 for 2 years is ₹40. What is the rate per year? (a) 1% (b) 4% (c) 2% (d) 3%
8. 8.What is the simple interest on ₹3500 at 10% per year for 5 years? (a) ₹1750 (b) ₹350 (c) ₹2100 (d) ₹5250
9. 9.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
10. 10.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹140 (b) ₹420 (c) ₹280 (d) ₹7280
11. 11.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
12. 12.The simple interest on ₹7500 for 4 years is ₹1800. What is the rate per year? (a) 5% (b) 6% (c) 24% (d) 7%
13. 13.The simple interest on ₹3000 for 3 years is ₹990. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 33%
14. 14.The simple interest on ₹10000 for 4 years is ₹3600. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 36%
15. 15.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹780 (b) ₹8840 (c) ₹3120 (d) ₹2340
16. 16.What is the simple interest on ₹6500 at 12% per year for 5 years? (a) ₹4680 (b) ₹10400 (c) ₹3900 (d) ₹780
17. 17.The simple interest on ₹3500 for 2 years is ₹770. What is the rate per year? (a) 10% (b) 12% (c) 22% (d) 11%
18. 18.The simple interest on ₹5000 for 3 years is ₹300. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 1%
19. 19.The simple interest on ₹3500 for 5 years is ₹2100. What is the rate per year? (a) 12% (b) 60% (c) 13% (d) 11%
20. 20.₹7000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹8680 (b) ₹1400 (c) ₹7280 (d) ₹8400
21. 21.What is the simple interest on ₹10000 at 8% per year for 3 years? (a) ₹2400 (b) ₹3200 (c) ₹800 (d) ₹12400
22. 22.The simple interest on ₹5000 for 3 years is ₹1350. What is the rate per year? (a) 9% (b) 10% (c) 27% (d) 8%
23. 23.What is the simple interest on ₹8000 at 12% per year for 3 years? (a) ₹960 (b) ₹10880 (c) ₹3840 (d) ₹2880
24. 24.₹2000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2960 (b) ₹800 (c) ₹2800 (d) ₹2160
25. 25.In how many years will ₹7500 earn ₹450 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
26. 26.₹9000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9180 (b) ₹9540 (c) ₹540 (d) ₹9720
27. 27.₹4000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹840 (b) ₹4840 (c) ₹5120 (d) ₹4280
28. 28.What is the simple interest on ₹4000 at 8% per year for 2 years? (a) ₹640 (b) ₹4640 (c) ₹960 (d) ₹320
29. 29.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹5600 (b) ₹150 (c) ₹750 (d) ₹600
30. 30.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8320 (b) ₹8160 (c) ₹8480 (d) ₹320
31. 31.₹4500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹5580 (b) ₹4680 (c) ₹900 (d) ₹5400
32. 32.₹8500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1700 (b) ₹10540 (c) ₹10200 (d) ₹8840
33. 33.The simple interest on ₹7000 for 2 years is ₹980. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 14%
34. 34.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
35. 35.In how many years will ₹7000 earn ₹3360 simple interest at 12% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
36. 36.The simple interest on ₹7500 for 3 years is ₹2700. What is the rate per year? (a) 12% (b) 13% (c) 36% (d) 11%
37. 37.The simple interest on ₹8000 for 3 years is ₹1200. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 15%
38. 38.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9180 (b) ₹10540 (c) ₹1360 (d) ₹9860
39. 39.₹4000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹6400 (b) ₹1920 (c) ₹4480 (d) ₹5920
40. 40.₹10000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹12400 (b) ₹11200 (c) ₹2400 (d) ₹13600

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