Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 789 · 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.₹2500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1100 (b) ₹3600 (c) ₹3875 (d) ₹2775
2. 2.In how many years will ₹7500 earn ₹2250 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
3. 3.In how many years will ₹2500 earn ₹600 simple interest at 6% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
4. 4.What is the simple interest on ₹3500 at 3% per year for 3 years? (a) ₹315 (b) ₹420 (c) ₹3815 (d) ₹105
5. 5.The simple interest on ₹8000 for 2 years is ₹800. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
6. 6.₹10000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹2000 (b) ₹12500 (c) ₹10500 (d) ₹12000
7. 7.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6180 (b) ₹6900 (c) ₹720 (d) ₹6720
8. 8.₹5500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹6710 (b) ₹1210 (c) ₹6105 (d) ₹7315
9. 9.₹5000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹450 (b) ₹5150 (c) ₹5600 (d) ₹5450
10. 10.The simple interest on ₹10000 for 4 years is ₹1600. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 16%
11. 11.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹2440 (b) ₹440 (c) ₹660 (d) ₹220
12. 12.The simple interest on ₹6500 for 4 years is ₹2080. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 32%
13. 13.The simple interest on ₹9000 for 5 years is ₹4950. What is the rate per year? (a) 55% (b) 10% (c) 11% (d) 12%
14. 14.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
15. 15.₹1500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹1680 (c) ₹2040 (d) ₹1860
16. 16.In how many years will ₹3500 earn ₹840 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
17. 17.What is the simple interest on ₹2500 at 12% per year for 2 years? (a) ₹3100 (b) ₹900 (c) ₹600 (d) ₹300
18. 18.₹3000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3060 (b) ₹240 (c) ₹3300 (d) ₹3240
19. 19.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
20. 20.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 20% (b) 9% (c) 11% (d) 10%
21. 21.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹800 (b) ₹9600 (c) ₹1600 (d) ₹2400
22. 22.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹480 (b) ₹960 (c) ₹1440 (d) ₹6960
23. 23.What is the simple interest on ₹5500 at 4% per year for 4 years? (a) ₹220 (b) ₹880 (c) ₹1100 (d) ₹6380
24. 24.In how many years will ₹4000 earn ₹1440 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
25. 25.In how many years will ₹4500 earn ₹720 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
26. 26.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 22%
27. 27.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹180 (b) ₹5400 (c) ₹900 (d) ₹1080
28. 28.The simple interest on ₹10000 for 5 years is ₹5000. What is the rate per year? (a) 10% (b) 11% (c) 50% (d) 9%
29. 29.What is the simple interest on ₹5500 at 3% per year for 5 years? (a) ₹990 (b) ₹825 (c) ₹165 (d) ₹6325
30. 30.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 36%
31. 31.What is the simple interest on ₹9500 at 6% per year for 4 years? (a) ₹11780 (b) ₹570 (c) ₹2850 (d) ₹2280
32. 32.The simple interest on ₹7500 for 3 years is ₹1800. What is the rate per year? (a) 8% (b) 7% (c) 24% (d) 9%
33. 33.In how many years will ₹6000 earn ₹960 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
34. 34.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹360 (b) ₹240 (c) ₹2240 (d) ₹120
35. 35.In how many years will ₹1000 earn ₹480 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
36. 36.The simple interest on ₹4500 for 3 years is ₹675. What is the rate per year? (a) 6% (b) 4% (c) 15% (d) 5%
37. 37.In how many years will ₹6000 earn ₹1200 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
38. 38.The simple interest on ₹3500 for 3 years is ₹735. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 21%
39. 39.The simple interest on ₹2000 for 3 years is ₹600. What is the rate per year? (a) 9% (b) 30% (c) 10% (d) 11%
40. 40.What is the simple interest on ₹5000 at 12% per year for 2 years? (a) ₹1200 (b) ₹1800 (c) ₹6200 (d) ₹600

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