Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 367 · 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 5% per year for 5 years? (a) ₹100 (b) ₹2500 (c) ₹600 (d) ₹500
2. 2.What is the simple interest on ₹3000 at 6% per year for 4 years? (a) ₹900 (b) ₹180 (c) ₹720 (d) ₹3720
3. 3.In how many years will ₹8500 earn ₹3825 simple interest at 9% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
4. 4.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹320 (b) ₹2080 (c) ₹2320 (d) ₹2400
5. 5.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
6. 6.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
7. 7.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹120 (b) ₹60 (c) ₹180 (d) ₹1620
8. 8.The simple interest on ₹4500 for 5 years is ₹2025. What is the rate per year? (a) 8% (b) 10% (c) 45% (d) 9%
9. 9.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹13600 (c) ₹10900 (d) ₹14500
10. 10.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹1080 (b) ₹1440 (c) ₹4080 (d) ₹360
11. 11.What is the simple interest on ₹2000 at 8% per year for 4 years? (a) ₹800 (b) ₹640 (c) ₹160 (d) ₹2640
12. 12.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹275 (b) ₹3325 (c) ₹825 (d) ₹1100
13. 13.The simple interest on ₹3000 for 3 years is ₹720. What is the rate per year? (a) 24% (b) 9% (c) 7% (d) 8%
14. 14.₹9000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9990 (b) ₹11970 (c) ₹10980 (d) ₹1980
15. 15.In how many years will ₹1000 earn ₹250 simple interest at 5% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
16. 16.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2700 (b) ₹1000 (c) ₹3700 (d) ₹3500
17. 17.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹2660 (b) ₹12160 (c) ₹665 (d) ₹3325
18. 18.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹1280 (b) ₹320 (c) ₹8960 (d) ₹960
19. 19.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹2025 (b) ₹1350 (c) ₹675 (d) ₹8850
20. 20.In how many years will ₹6500 earn ₹1170 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
21. 21.What is the simple interest on ₹7500 at 8% per year for 4 years? (a) ₹3000 (b) ₹2400 (c) ₹600 (d) ₹9900
22. 22.₹9000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹9990 (b) ₹12960 (c) ₹11970 (d) ₹2970
23. 23.₹9500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹14725 (b) ₹10545 (c) ₹13680 (d) ₹4180
24. 24.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 4% (b) 15% (c) 3% (d) 2%
25. 25.The simple interest on ₹4000 for 2 years is ₹160. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
26. 26.What is the simple interest on ₹7000 at 4% per year for 4 years? (a) ₹8120 (b) ₹280 (c) ₹1120 (d) ₹1400
27. 27.What is the simple interest on ₹5000 at 6% per year for 2 years? (a) ₹5600 (b) ₹300 (c) ₹900 (d) ₹600
28. 28.₹4500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹630 (b) ₹4815 (c) ₹5130 (d) ₹5445
29. 29.₹10000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10900 (b) ₹12700 (c) ₹2700 (d) ₹13600
30. 30.The simple interest on ₹2500 for 2 years is ₹400. What is the rate per year? (a) 8% (b) 16% (c) 9% (d) 7%
31. 31.In how many years will ₹6000 earn ₹720 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
32. 32.The simple interest on ₹7000 for 5 years is ₹3500. What is the rate per year? (a) 10% (b) 50% (c) 11% (d) 9%
33. 33.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 3% (b) 1% (c) 8% (d) 2%
34. 34.₹2500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2675 (b) ₹3025 (c) ₹3200 (d) ₹525
35. 35.In how many years will ₹2500 earn ₹1100 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
36. 36.In how many years will ₹5500 earn ₹2750 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
37. 37.₹5000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1000 (b) ₹6000 (c) ₹6200 (d) ₹5200
38. 38.The simple interest on ₹8000 for 2 years is ₹320. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 1%
39. 39.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹7750 (b) ₹2750 (c) ₹8300 (d) ₹5550
40. 40.In how many years will ₹3000 earn ₹630 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years

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