Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 536 · 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.In how many years will ₹7000 earn ₹280 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
2. 2.₹6000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹7620 (b) ₹8160 (c) ₹6540 (d) ₹1620
3. 3.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
4. 4.In how many years will ₹6000 earn ₹2400 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
5. 5.In how many years will ₹4500 earn ₹675 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
6. 6.₹7000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹7350 (c) ₹1050 (d) ₹8050
7. 7.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹540 (b) ₹1620 (c) ₹7080 (d) ₹1080
8. 8.In how many years will ₹5500 earn ₹1320 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
9. 9.₹2000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2560 (b) ₹2140 (c) ₹420 (d) ₹2420
10. 10.₹3500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹3640 (b) ₹3920 (c) ₹420 (d) ₹4060
11. 11.In how many years will ₹6500 earn ₹2925 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
12. 12.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 11% (b) 10% (c) 20% (d) 9%
13. 13.In how many years will ₹1000 earn ₹210 simple interest at 7% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
14. 14.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
15. 15.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹250 (b) ₹50 (c) ₹200 (d) ₹2700
16. 16.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
17. 17.The simple interest on ₹7500 for 3 years is ₹1575. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 21%
18. 18.What is the simple interest on ₹4500 at 8% per year for 3 years? (a) ₹360 (b) ₹1080 (c) ₹5580 (d) ₹1440
19. 19.What is the simple interest on ₹5000 at 6% per year for 2 years? (a) ₹900 (b) ₹600 (c) ₹5600 (d) ₹300
20. 20.The simple interest on ₹3000 for 3 years is ₹720. What is the rate per year? (a) 8% (b) 9% (c) 24% (d) 7%
21. 21.₹6000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹8400 (c) ₹7800 (d) ₹6600
22. 22.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹550 (b) ₹110 (c) ₹440 (d) ₹5940
23. 23.What is the simple interest on ₹10000 at 5% per year for 4 years? (a) ₹12000 (b) ₹500 (c) ₹2500 (d) ₹2000
24. 24.What is the simple interest on ₹9500 at 7% per year for 2 years? (a) ₹665 (b) ₹1995 (c) ₹10830 (d) ₹1330
25. 25.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹3605 (c) ₹210 (d) ₹3815
26. 26.In how many years will ₹8500 earn ₹510 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
27. 27.The simple interest on ₹5000 for 4 years is ₹1600. What is the rate per year? (a) 8% (b) 32% (c) 9% (d) 7%
28. 28.In how many years will ₹6500 earn ₹1300 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
29. 29.₹4000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹5440 (c) ₹4480 (d) ₹4960
30. 30.What is the simple interest on ₹6000 at 12% per year for 2 years? (a) ₹2160 (b) ₹7440 (c) ₹1440 (d) ₹720
31. 31.What is the simple interest on ₹6500 at 12% per year for 5 years? (a) ₹10400 (b) ₹3900 (c) ₹4680 (d) ₹780
32. 32.What is the simple interest on ₹3000 at 6% per year for 5 years? (a) ₹180 (b) ₹3900 (c) ₹1080 (d) ₹900
33. 33.In how many years will ₹4500 earn ₹540 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
34. 34.The simple interest on ₹9000 for 4 years is ₹1080. What is the rate per year? (a) 4% (b) 2% (c) 12% (d) 3%
35. 35.₹9500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹13490 (b) ₹10165 (c) ₹3325 (d) ₹12825
36. 36.What is the simple interest on ₹6500 at 11% per year for 5 years? (a) ₹4290 (b) ₹3575 (c) ₹715 (d) ₹10075
37. 37.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹660 (b) ₹9300 (c) ₹3960 (d) ₹3300
38. 38.The simple interest on ₹1000 for 2 years is ₹240. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 24%
39. 39.In how many years will ₹3500 earn ₹420 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
40. 40.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹600 (b) ₹10400 (c) ₹200 (d) ₹400

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