Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 109 · 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.The simple interest on ₹5000 for 3 years is ₹1050. What is the rate per year? (a) 21% (b) 8% (c) 7% (d) 6%
2. 2.₹8000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹9680 (b) ₹9120 (c) ₹8560 (d) ₹1120
3. 3.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹9010 (b) ₹2040 (c) ₹11050 (d) ₹10540
4. 4.₹5500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6600 (b) ₹6050 (c) ₹1100 (d) ₹7150
5. 5.What is the simple interest on ₹6500 at 3% per year for 2 years? (a) ₹6890 (b) ₹195 (c) ₹390 (d) ₹585
6. 6.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹3745 (b) ₹4480 (c) ₹735 (d) ₹4235
7. 7.In how many years will ₹6500 earn ₹390 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
8. 8.In how many years will ₹9000 earn ₹2880 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
9. 9.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 5% (b) 24% (c) 6% (d) 7%
10. 10.In how many years will ₹3500 earn ₹350 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
11. 11.What is the simple interest on ₹10000 at 9% per year for 2 years? (a) ₹11800 (b) ₹900 (c) ₹2700 (d) ₹1800
12. 12.The simple interest on ₹5500 for 4 years is ₹2200. What is the rate per year? (a) 40% (b) 11% (c) 9% (d) 10%
13. 13.₹1000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹1120 (c) ₹1360 (d) ₹1240
14. 14.₹6000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹6480 (b) ₹7920 (c) ₹7440 (d) ₹1440
15. 15.The simple interest on ₹4000 for 4 years is ₹800. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 20%
16. 16.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
17. 17.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 2% (b) 4% (c) 6% (d) 3%
18. 18.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹600 (b) ₹100 (c) ₹500 (d) ₹2500
19. 19.In how many years will ₹3000 earn ₹360 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
20. 20.What is the simple interest on ₹1000 at 2% per year for 5 years? (a) ₹120 (b) ₹20 (c) ₹100 (d) ₹1100
21. 21.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹14500 (b) ₹13600 (c) ₹10900 (d) ₹3600
22. 22.The simple interest on ₹5000 for 5 years is ₹1250. What is the rate per year? (a) 5% (b) 25% (c) 6% (d) 4%
23. 23.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹600 (b) ₹6600 (c) ₹720 (d) ₹120
24. 24.The simple interest on ₹3500 for 4 years is ₹1400. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 40%
25. 25.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹105 (b) ₹525 (c) ₹420 (d) ₹3920
26. 26.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹80 (b) ₹1160 (c) ₹160 (d) ₹240
27. 27.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 25%
28. 28.The simple interest on ₹5500 for 2 years is ₹990. What is the rate per year? (a) 10% (b) 18% (c) 9% (d) 8%
29. 29.What is the simple interest on ₹8500 at 10% per year for 3 years? (a) ₹2550 (b) ₹3400 (c) ₹11050 (d) ₹850
30. 30.The simple interest on ₹7500 for 3 years is ₹1800. What is the rate per year? (a) 7% (b) 9% (c) 24% (d) 8%
31. 31.The simple interest on ₹5500 for 4 years is ₹1980. What is the rate per year? (a) 36% (b) 9% (c) 10% (d) 8%
32. 32.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹6240 (b) ₹6720 (c) ₹6480 (d) ₹480
33. 33.₹5000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹5150 (b) ₹5450 (c) ₹450 (d) ₹5600
34. 34.The simple interest on ₹4500 for 5 years is ₹1350. What is the rate per year? (a) 30% (b) 6% (c) 5% (d) 7%
35. 35.What is the simple interest on ₹9000 at 8% per year for 5 years? (a) ₹720 (b) ₹4320 (c) ₹3600 (d) ₹12600
36. 36.In how many years will ₹6500 earn ₹2080 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
37. 37.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
38. 38.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 4% (b) 16% (c) 5% (d) 3%
39. 39.₹9000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹9810 (b) ₹10080 (c) ₹810 (d) ₹9270
40. 40.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹200 (b) ₹600 (c) ₹800 (d) ₹10600

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