Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 507 · 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.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7020 (b) ₹6630 (c) ₹520 (d) ₹7150
2. 2.What is the simple interest on ₹9500 at 7% per year for 2 years? (a) ₹1995 (b) ₹10830 (c) ₹1330 (d) ₹665
3. 3.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
4. 4.What is the simple interest on ₹5500 at 8% per year for 2 years? (a) ₹440 (b) ₹880 (c) ₹6380 (d) ₹1320
5. 5.The simple interest on ₹4000 for 5 years is ₹600. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 15%
6. 6.The simple interest on ₹5500 for 3 years is ₹495. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 9%
7. 7.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
8. 8.In how many years will ₹9000 earn ₹3600 simple interest at 10% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
9. 9.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 10% (b) 12% (c) 22% (d) 11%
10. 10.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹45 (b) ₹225 (c) ₹1680 (d) ₹180
11. 11.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
12. 12.₹8500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹12325 (b) ₹9265 (c) ₹13090 (d) ₹3825
13. 13.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹175 (b) ₹350 (c) ₹3850 (d) ₹525
14. 14.The simple interest on ₹4000 for 3 years is ₹1440. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 36%
15. 15.The simple interest on ₹2500 for 4 years is ₹600. What is the rate per year? (a) 7% (b) 6% (c) 24% (d) 5%
16. 16.₹6500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹7215 (b) ₹10075 (c) ₹2860 (d) ₹9360
17. 17.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2725 (b) ₹900 (c) ₹3625 (d) ₹3400
18. 18.What is the simple interest on ₹6500 at 12% per year for 5 years? (a) ₹4680 (b) ₹10400 (c) ₹3900 (d) ₹780
19. 19.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
20. 20.What is the simple interest on ₹3000 at 12% per year for 2 years? (a) ₹720 (b) ₹1080 (c) ₹360 (d) ₹3720
21. 21.₹4000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹5600 (b) ₹1200 (c) ₹5200 (d) ₹4400
22. 22.In how many years will ₹8500 earn ₹4250 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
23. 23.What is the simple interest on ₹9500 at 11% per year for 5 years? (a) ₹6270 (b) ₹5225 (c) ₹1045 (d) ₹14725
24. 24.The simple interest on ₹1500 for 4 years is ₹420. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 28%
25. 25.₹5000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1400 (b) ₹6400 (c) ₹6750 (d) ₹5350
26. 26.In how many years will ₹8000 earn ₹1600 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
27. 27.The simple interest on ₹6000 for 5 years is ₹2700. What is the rate per year? (a) 45% (b) 9% (c) 10% (d) 8%
28. 28.The simple interest on ₹3500 for 5 years is ₹700. What is the rate per year? (a) 20% (b) 4% (c) 3% (d) 5%
29. 29.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
30. 30.What is the simple interest on ₹5000 at 10% per year for 4 years? (a) ₹2500 (b) ₹500 (c) ₹7000 (d) ₹2000
31. 31.In how many years will ₹6000 earn ₹2160 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
32. 32.In how many years will ₹7500 earn ₹900 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
33. 33.In how many years will ₹1000 earn ₹220 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
34. 34.₹3500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4620 (b) ₹840 (c) ₹4340 (d) ₹3780
35. 35.The simple interest on ₹9000 for 3 years is ₹2160. What is the rate per year? (a) 9% (b) 8% (c) 24% (d) 7%
36. 36.In how many years will ₹5000 earn ₹1000 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
37. 37.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
38. 38.In how many years will ₹9000 earn ₹540 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
39. 39.The simple interest on ₹5000 for 3 years is ₹900. What is the rate per year? (a) 5% (b) 18% (c) 6% (d) 7%
40. 40.The simple interest on ₹1000 for 4 years is ₹120. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%

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