Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 960 · 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 ₹2500 for 4 years is ₹300. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 2%
2. 2.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 4% (b) 2% (c) 6% (d) 3%
3. 3.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹300 (b) ₹1800 (c) ₹360 (d) ₹60
4. 4.₹9000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹9540 (c) ₹10080 (d) ₹10620
5. 5.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4770 (b) ₹5310 (c) ₹5580 (d) ₹810
6. 6.₹1500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2160 (b) ₹1665 (c) ₹1995 (d) ₹495
7. 7.What is the simple interest on ₹7000 at 9% per year for 3 years? (a) ₹630 (b) ₹8890 (c) ₹1890 (d) ₹2520
8. 8.₹8500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹12325 (b) ₹3060 (c) ₹11560 (d) ₹9265
9. 9.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹5175 (b) ₹810 (c) ₹675 (d) ₹135
10. 10.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
11. 11.₹1500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2220 (b) ₹1680 (c) ₹540 (d) ₹2040
12. 12.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹210 (d) ₹3920
13. 13.The simple interest on ₹1000 for 5 years is ₹600. What is the rate per year? (a) 11% (b) 60% (c) 12% (d) 13%
14. 14.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹1200 (b) ₹3200 (c) ₹1440 (d) ₹240
15. 15.₹3500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6020 (b) ₹3920 (c) ₹2100 (d) ₹5600
16. 16.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
17. 17.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹735 (b) ₹4235 (c) ₹3745 (d) ₹4480
18. 18.The simple interest on ₹8000 for 3 years is ₹1200. What is the rate per year? (a) 5% (b) 15% (c) 6% (d) 4%
19. 19.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
20. 20.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹8175 (b) ₹675 (c) ₹900 (d) ₹225
21. 21.The simple interest on ₹7500 for 5 years is ₹3750. What is the rate per year? (a) 50% (b) 9% (c) 11% (d) 10%
22. 22.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 24% (b) 12% (c) 13% (d) 11%
23. 23.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
24. 24.What is the simple interest on ₹9500 at 8% per year for 4 years? (a) ₹12540 (b) ₹3040 (c) ₹760 (d) ₹3800
25. 25.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹540 (b) ₹5310 (c) ₹5040 (d) ₹4770
26. 26.What is the simple interest on ₹9000 at 10% per year for 5 years? (a) ₹900 (b) ₹5400 (c) ₹13500 (d) ₹4500
27. 27.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
28. 28.The simple interest on ₹9500 for 2 years is ₹760. What is the rate per year? (a) 4% (b) 5% (c) 8% (d) 3%
29. 29.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹5200 (b) ₹200 (c) ₹300 (d) ₹100
30. 30.₹3000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹4080 (c) ₹3270 (d) ₹4350
31. 31.The simple interest on ₹7000 for 4 years is ₹1960. What is the rate per year? (a) 7% (b) 6% (c) 28% (d) 8%
32. 32.₹5500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹7810 (b) ₹1925 (c) ₹5885 (d) ₹7425
33. 33.What is the simple interest on ₹8000 at 3% per year for 3 years? (a) ₹240 (b) ₹720 (c) ₹960 (d) ₹8720
34. 34.What is the simple interest on ₹5500 at 9% per year for 3 years? (a) ₹1485 (b) ₹495 (c) ₹1980 (d) ₹6985
35. 35.In how many years will ₹5000 earn ₹2200 simple interest at 11% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
36. 36.₹7500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹11100 (b) ₹8400 (c) ₹12000 (d) ₹3600
37. 37.₹2000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2120 (b) ₹2720 (c) ₹2600 (d) ₹600
38. 38.The simple interest on ₹8000 for 5 years is ₹2800. What is the rate per year? (a) 35% (b) 8% (c) 7% (d) 6%
39. 39.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1000 (b) ₹6500 (c) ₹6000 (d) ₹5500
40. 40.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹5720 (b) ₹880 (c) ₹6380 (d) ₹6600

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