Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 60 · 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 ₹8000 at 5% per year for 3 years? (a) ₹9200 (b) ₹1600 (c) ₹400 (d) ₹1200
2. 2.What is the simple interest on ₹6500 at 9% per year for 5 years? (a) ₹585 (b) ₹3510 (c) ₹2925 (d) ₹9425
3. 3.₹2000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹3440 (b) ₹3200 (c) ₹2240 (d) ₹1200
4. 4.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
5. 5.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
6. 6.₹3500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹4130 (b) ₹630 (c) ₹4445 (d) ₹3815
7. 7.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹760 (b) ₹10640 (c) ₹9880 (d) ₹10260
8. 8.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 10% (b) 12% (c) 22% (d) 11%
9. 9.What is the simple interest on ₹4000 at 3% per year for 4 years? (a) ₹600 (b) ₹4480 (c) ₹120 (d) ₹480
10. 10.What is the simple interest on ₹6500 at 7% per year for 2 years? (a) ₹7410 (b) ₹455 (c) ₹910 (d) ₹1365
11. 11.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 48% (b) 11% (c) 12% (d) 13%
12. 12.What is the simple interest on ₹2000 at 9% per year for 3 years? (a) ₹720 (b) ₹2540 (c) ₹180 (d) ₹540
13. 13.₹8500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10795 (b) ₹2295 (c) ₹9265 (d) ₹11560
14. 14.In how many years will ₹3500 earn ₹770 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
15. 15.₹1500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹1620 (c) ₹1860 (d) ₹1740
16. 16.₹3500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹420 (b) ₹3605 (c) ₹4025 (d) ₹3920
17. 17.₹3500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹4340 (b) ₹700 (c) ₹3640 (d) ₹4200
18. 18.The simple interest on ₹1000 for 5 years is ₹600. What is the rate per year? (a) 11% (b) 12% (c) 60% (d) 13%
19. 19.In how many years will ₹1000 earn ₹150 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
20. 20.What is the simple interest on ₹6000 at 10% per year for 3 years? (a) ₹1800 (b) ₹7800 (c) ₹2400 (d) ₹600
21. 21.₹10000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹10700 (b) ₹14200 (c) ₹3500 (d) ₹13500
22. 22.₹7000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹7700 (b) ₹10500 (c) ₹9800 (d) ₹2800
23. 23.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹525 (b) ₹700 (c) ₹175 (d) ₹3025
24. 24.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹170 (b) ₹9010 (c) ₹680 (d) ₹510
25. 25.The simple interest on ₹9000 for 5 years is ₹3600. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 40%
26. 26.In how many years will ₹7500 earn ₹450 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
27. 27.In how many years will ₹9500 earn ₹5225 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
28. 28.The simple interest on ₹8500 for 4 years is ₹2040. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 24%
29. 29.In how many years will ₹9500 earn ₹1330 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
30. 30.The simple interest on ₹1500 for 2 years is ₹210. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
31. 31.In how many years will ₹1000 earn ₹120 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
32. 32.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 15% (b) 2% (c) 3% (d) 4%
33. 33.₹4500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹5400 (b) ₹5220 (c) ₹4680 (d) ₹720
34. 34.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹1200 (b) ₹1000 (c) ₹200 (d) ₹5000
35. 35.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹4900 (b) ₹1400 (c) ₹1680 (d) ₹280
36. 36.The simple interest on ₹3500 for 2 years is ₹210. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 4%
37. 37.The simple interest on ₹6000 for 3 years is ₹1800. What is the rate per year? (a) 10% (b) 30% (c) 9% (d) 11%
38. 38.What is the simple interest on ₹6500 at 4% per year for 2 years? (a) ₹260 (b) ₹520 (c) ₹7020 (d) ₹780
39. 39.In how many years will ₹8000 earn ₹2560 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
40. 40.The simple interest on ₹8500 for 3 years is ₹1785. What is the rate per year? (a) 8% (b) 6% (c) 21% (d) 7%

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