Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 523 · 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 ₹4000 at 12% per year for 5 years? (a) ₹6400 (b) ₹2880 (c) ₹480 (d) ₹2400
2. 2.₹3500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3920 (b) ₹3605 (c) ₹4025 (d) ₹420
3. 3.In how many years will ₹5000 earn ₹300 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
4. 4.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹5175 (b) ₹675 (c) ₹810 (d) ₹135
5. 5.What is the simple interest on ₹2000 at 2% per year for 4 years? (a) ₹40 (b) ₹2160 (c) ₹160 (d) ₹200
6. 6.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹1590 (b) ₹90 (c) ₹135 (d) ₹45
7. 7.In how many years will ₹9000 earn ₹720 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
8. 8.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3500 (b) ₹3700 (c) ₹2700 (d) ₹1000
9. 9.₹2000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹2180 (b) ₹2360 (c) ₹2540 (d) ₹360
10. 10.The simple interest on ₹5000 for 3 years is ₹600. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%
11. 11.₹1000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1450 (b) ₹1090 (c) ₹360 (d) ₹1360
12. 12.In how many years will ₹3000 earn ₹1800 simple interest at 12% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
13. 13.In how many years will ₹1000 earn ₹360 simple interest at 9% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
14. 14.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8100 (b) ₹7800 (c) ₹600 (d) ₹8400
15. 15.The simple interest on ₹8000 for 4 years is ₹1600. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 20%
16. 16.The simple interest on ₹6000 for 3 years is ₹720. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 12%
17. 17.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹300 (b) ₹360 (c) ₹60 (d) ₹1800
18. 18.In how many years will ₹5500 earn ₹660 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
19. 19.What is the simple interest on ₹1500 at 10% per year for 5 years? (a) ₹750 (b) ₹2250 (c) ₹150 (d) ₹900
20. 20.In how many years will ₹4000 earn ₹1600 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
21. 21.In how many years will ₹8500 earn ₹2040 simple interest at 8% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
22. 22.In how many years will ₹10000 earn ₹400 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
23. 23.₹9000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹11880 (b) ₹9720 (c) ₹12600 (d) ₹2880
24. 24.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹440 (b) ₹2440 (c) ₹2220 (d) ₹2660
25. 25.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹8050 (b) ₹350 (c) ₹1400 (d) ₹1050
26. 26.The simple interest on ₹6000 for 5 years is ₹2700. What is the rate per year? (a) 45% (b) 9% (c) 10% (d) 8%
27. 27.The simple interest on ₹9000 for 4 years is ₹720. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 8%
28. 28.What is the simple interest on ₹1000 at 10% per year for 3 years? (a) ₹300 (b) ₹100 (c) ₹400 (d) ₹1300
29. 29.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 10% (b) 6% (c) 5% (d) 4%
30. 30.In how many years will ₹7500 earn ₹900 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
31. 31.The simple interest on ₹1000 for 4 years is ₹320. What is the rate per year? (a) 7% (b) 32% (c) 9% (d) 8%
32. 32.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹1260 (b) ₹210 (c) ₹4050 (d) ₹1050
33. 33.₹9000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9540 (b) ₹1620 (c) ₹11160 (d) ₹10620
34. 34.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 8% (b) 40% (c) 7% (d) 9%
35. 35.The simple interest on ₹6500 for 5 years is ₹2600. What is the rate per year? (a) 9% (b) 8% (c) 40% (d) 7%
36. 36.What is the simple interest on ₹7000 at 12% per year for 2 years? (a) ₹8680 (b) ₹840 (c) ₹1680 (d) ₹2520
37. 37.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
38. 38.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹225 (b) ₹150 (c) ₹2650 (d) ₹75
39. 39.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6120 (b) ₹1080 (c) ₹5040 (d) ₹5580
40. 40.The simple interest on ₹1000 for 2 years is ₹60. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 4%

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