Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 270 · 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 ₹3000 at 10% per year for 2 years? (a) ₹3600 (b) ₹300 (c) ₹900 (d) ₹600
2. 2.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
3. 3.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 3% (b) 20% (c) 5% (d) 4%
4. 4.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹175 (b) ₹700 (c) ₹3025 (d) ₹525
5. 5.What is the simple interest on ₹6000 at 7% per year for 5 years? (a) ₹420 (b) ₹2100 (c) ₹2520 (d) ₹8100
6. 6.What is the simple interest on ₹3500 at 3% per year for 5 years? (a) ₹4025 (b) ₹105 (c) ₹630 (d) ₹525
7. 7.In how many years will ₹2500 earn ₹1500 simple interest at 12% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
8. 8.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
9. 9.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹240 (b) ₹3240 (c) ₹60 (d) ₹300
10. 10.The simple interest on ₹8000 for 5 years is ₹4400. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 55%
11. 11.₹1500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹2040 (c) ₹1860 (d) ₹1680
12. 12.₹5000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5500 (b) ₹500 (c) ₹5750 (d) ₹5250
13. 13.In how many years will ₹4000 earn ₹640 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
14. 14.The simple interest on ₹7000 for 3 years is ₹630. What is the rate per year? (a) 3% (b) 4% (c) 9% (d) 2%
15. 15.₹2500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹3600 (b) ₹3325 (c) ₹825 (d) ₹2775
16. 16.The simple interest on ₹3500 for 3 years is ₹1155. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 33%
17. 17.The simple interest on ₹4500 for 3 years is ₹945. What is the rate per year? (a) 21% (b) 8% (c) 7% (d) 6%
18. 18.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹1120 (b) ₹280 (c) ₹1400 (d) ₹4620
19. 19.In how many years will ₹9500 earn ₹1140 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
20. 20.₹7500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹2400 (c) ₹9900 (d) ₹8100
21. 21.The simple interest on ₹8000 for 4 years is ₹2880. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 36%
22. 22.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹11500 (b) ₹1800 (c) ₹300 (d) ₹1500
23. 23.What is the simple interest on ₹5000 at 8% per year for 5 years? (a) ₹7000 (b) ₹2000 (c) ₹400 (d) ₹2400
24. 24.₹5500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹660 (b) ₹5665 (c) ₹6160 (d) ₹6325
25. 25.In how many years will ₹3500 earn ₹420 simple interest at 6% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
26. 26.What is the simple interest on ₹6500 at 8% per year for 4 years? (a) ₹8580 (b) ₹2080 (c) ₹2600 (d) ₹520
27. 27.What is the simple interest on ₹2000 at 2% per year for 4 years? (a) ₹40 (b) ₹2160 (c) ₹160 (d) ₹200
28. 28.What is the simple interest on ₹4500 at 9% per year for 4 years? (a) ₹405 (b) ₹6120 (c) ₹2025 (d) ₹1620
29. 29.The simple interest on ₹4000 for 3 years is ₹1440. What is the rate per year? (a) 12% (b) 11% (c) 36% (d) 13%
30. 30.In how many years will ₹3000 earn ₹1350 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
31. 31.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 4% (b) 6% (c) 10% (d) 5%
32. 32.₹10000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹2000 (b) ₹12000 (c) ₹11000 (d) ₹13000
33. 33.₹3500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3640 (b) ₹4200 (c) ₹700 (d) ₹4340
34. 34.What is the simple interest on ₹4000 at 6% per year for 5 years? (a) ₹5200 (b) ₹1440 (c) ₹240 (d) ₹1200
35. 35.What is the simple interest on ₹9500 at 10% per year for 5 years? (a) ₹5700 (b) ₹950 (c) ₹14250 (d) ₹4750
36. 36.The simple interest on ₹9500 for 2 years is ₹760. What is the rate per year? (a) 4% (b) 8% (c) 3% (d) 5%
37. 37.In how many years will ₹6000 earn ₹480 simple interest at 2% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
38. 38.In how many years will ₹8000 earn ₹1280 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
39. 39.In how many years will ₹6000 earn ₹240 simple interest at 2% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
40. 40.What is the simple interest on ₹1000 at 11% per year for 5 years? (a) ₹110 (b) ₹1550 (c) ₹550 (d) ₹660

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