Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 167 · 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 ₹9500 at 12% per year for 5 years? (a) ₹15200 (b) ₹6840 (c) ₹5700 (d) ₹1140
2. 2.In how many years will ₹10000 earn ₹4000 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
3. 3.What is the simple interest on ₹8000 at 10% per year for 4 years? (a) ₹11200 (b) ₹4000 (c) ₹3200 (d) ₹800
4. 4.The simple interest on ₹8500 for 4 years is ₹1700. What is the rate per year? (a) 20% (b) 6% (c) 5% (d) 4%
5. 5.In how many years will ₹8500 earn ₹1530 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
6. 6.What is the simple interest on ₹7500 at 8% per year for 4 years? (a) ₹9900 (b) ₹3000 (c) ₹2400 (d) ₹600
7. 7.In how many years will ₹4000 earn ₹160 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
8. 8.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹660 (b) ₹9300 (c) ₹3960 (d) ₹3300
9. 9.In how many years will ₹10000 earn ₹1800 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
10. 10.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹1425 (b) ₹10640 (c) ₹285 (d) ₹1140
11. 11.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹270 (b) ₹4080 (c) ₹1080 (d) ₹1350
12. 12.₹2500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2700 (b) ₹2600 (c) ₹2800 (d) ₹200
13. 13.₹10000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹2000 (b) ₹13000 (c) ₹11000 (d) ₹12000
14. 14.The simple interest on ₹5000 for 2 years is ₹1000. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 20%
15. 15.The simple interest on ₹4000 for 2 years is ₹720. What is the rate per year? (a) 18% (b) 8% (c) 9% (d) 10%
16. 16.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹5610 (b) ₹935 (c) ₹4675 (d) ₹13175
17. 17.₹8500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹12070 (b) ₹9095 (c) ₹11475 (d) ₹2975
18. 18.In how many years will ₹2500 earn ₹400 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
19. 19.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹120 (b) ₹2240 (c) ₹360 (d) ₹240
20. 20.₹4000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4640 (b) ₹4800 (c) ₹640 (d) ₹4160
21. 21.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
22. 22.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 12% (b) 6% (c) 5% (d) 7%
23. 23.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹1710 (b) ₹10925 (c) ₹285 (d) ₹1425
24. 24.What is the simple interest on ₹4000 at 4% per year for 3 years? (a) ₹4480 (b) ₹160 (c) ₹480 (d) ₹640
25. 25.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹1280 (b) ₹1920 (c) ₹9280 (d) ₹640
26. 26.In how many years will ₹4500 earn ₹540 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
27. 27.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹1300 (c) ₹1100 (d) ₹1400
28. 28.The simple interest on ₹3500 for 4 years is ₹1400. What is the rate per year? (a) 11% (b) 40% (c) 10% (d) 9%
29. 29.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
30. 30.The simple interest on ₹7500 for 5 years is ₹1500. What is the rate per year? (a) 3% (b) 5% (c) 20% (d) 4%
31. 31.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2060 (b) ₹2360 (c) ₹300 (d) ₹2300
32. 32.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹500 (b) ₹100 (c) ₹600 (d) ₹2500
33. 33.The simple interest on ₹1000 for 3 years is ₹150. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
34. 34.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 25%
35. 35.What is the simple interest on ₹9000 at 6% per year for 2 years? (a) ₹10080 (b) ₹1620 (c) ₹540 (d) ₹1080
36. 36.In how many years will ₹3500 earn ₹1750 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
37. 37.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 6% (b) 3% (c) 4% (d) 2%
38. 38.What is the simple interest on ₹8000 at 3% per year for 4 years? (a) ₹1200 (b) ₹8960 (c) ₹240 (d) ₹960
39. 39.₹1000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹80 (b) ₹1040 (c) ₹1080 (d) ₹1120
40. 40.The simple interest on ₹1500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 10%

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