Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 139 · 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.₹1000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1060 (b) ₹1030 (c) ₹60 (d) ₹1090
2. 2.The simple interest on ₹9000 for 3 years is ₹2430. What is the rate per year? (a) 10% (b) 27% (c) 8% (d) 9%
3. 3.The simple interest on ₹8500 for 4 years is ₹3060. What is the rate per year? (a) 10% (b) 36% (c) 9% (d) 8%
4. 4.The simple interest on ₹2500 for 5 years is ₹1000. What is the rate per year? (a) 9% (b) 40% (c) 7% (d) 8%
5. 5.The simple interest on ₹1500 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 16%
6. 6.In how many years will ₹4500 earn ₹675 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
7. 7.The simple interest on ₹7000 for 5 years is ₹700. What is the rate per year? (a) 10% (b) 1% (c) 3% (d) 2%
8. 8.In how many years will ₹4500 earn ₹810 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
9. 9.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹1590 (b) ₹45 (c) ₹90 (d) ₹135
10. 10.In how many years will ₹9000 earn ₹1980 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
11. 11.₹1500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2250 (b) ₹1650 (c) ₹600 (d) ₹2100
12. 12.₹2500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹2600 (b) ₹2900 (c) ₹2800 (d) ₹300
13. 13.The simple interest on ₹2000 for 5 years is ₹1100. What is the rate per year? (a) 11% (b) 55% (c) 12% (d) 10%
14. 14.The simple interest on ₹3000 for 2 years is ₹600. What is the rate per year? (a) 11% (b) 9% (c) 20% (d) 10%
15. 15.In how many years will ₹5500 earn ₹990 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
16. 16.In how many years will ₹2500 earn ₹525 simple interest at 7% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
17. 17.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6050 (b) ₹700 (c) ₹5700 (d) ₹5350
18. 18.What is the simple interest on ₹5500 at 4% per year for 5 years? (a) ₹1320 (b) ₹220 (c) ₹6600 (d) ₹1100
19. 19.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹315 (b) ₹1815 (c) ₹1920 (d) ₹1605
20. 20.₹6000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹7200 (b) ₹960 (c) ₹6960 (d) ₹6240
21. 21.The simple interest on ₹2000 for 4 years is ₹480. What is the rate per year? (a) 24% (b) 7% (c) 5% (d) 6%
22. 22.What is the simple interest on ₹3500 at 3% per year for 2 years? (a) ₹3710 (b) ₹315 (c) ₹105 (d) ₹210
23. 23.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹315 (b) ₹3815 (c) ₹3605 (d) ₹3920
24. 24.₹10000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹12700 (b) ₹10900 (c) ₹1800 (d) ₹11800
25. 25.The simple interest on ₹4000 for 2 years is ₹880. What is the rate per year? (a) 12% (b) 10% (c) 22% (d) 11%
26. 26.In how many years will ₹3000 earn ₹720 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
27. 27.The simple interest on ₹4000 for 4 years is ₹1440. What is the rate per year? (a) 10% (b) 8% (c) 36% (d) 9%
28. 28.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹2800 (b) ₹75 (c) ₹300 (d) ₹375
29. 29.₹2500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3125 (b) ₹500 (c) ₹2625 (d) ₹3000
30. 30.₹9500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹12825 (b) ₹2660 (c) ₹10165 (d) ₹12160
31. 31.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹200 (b) ₹10600 (c) ₹800 (d) ₹600
32. 32.In how many years will ₹7500 earn ₹1650 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
33. 33.The simple interest on ₹2000 for 5 years is ₹900. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
34. 34.₹8000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹9600 (b) ₹8320 (c) ₹1600 (d) ₹9920
35. 35.The simple interest on ₹2000 for 3 years is ₹600. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 30%
36. 36.The simple interest on ₹8000 for 5 years is ₹4400. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 55%
37. 37.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2875 (b) ₹250 (c) ₹2625 (d) ₹2750
38. 38.The simple interest on ₹1500 for 5 years is ₹450. What is the rate per year? (a) 30% (b) 7% (c) 5% (d) 6%
39. 39.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹3600 (b) ₹4500 (c) ₹11100 (d) ₹900
40. 40.In how many years will ₹9000 earn ₹4950 simple interest at 11% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years

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