Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 524 · 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 ₹6500 earn ₹1040 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
2. 2.In how many years will ₹5000 earn ₹1800 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
3. 3.What is the simple interest on ₹6500 at 5% per year for 3 years? (a) ₹325 (b) ₹975 (c) ₹1300 (d) ₹7475
4. 4.The simple interest on ₹2500 for 3 years is ₹375. What is the rate per year? (a) 15% (b) 5% (c) 4% (d) 6%
5. 5.In how many years will ₹3000 earn ₹1800 simple interest at 12% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
6. 6.What is the simple interest on ₹10000 at 10% per year for 2 years? (a) ₹12000 (b) ₹3000 (c) ₹1000 (d) ₹2000
7. 7.The simple interest on ₹9000 for 5 years is ₹2250. What is the rate per year? (a) 4% (b) 25% (c) 6% (d) 5%
8. 8.What is the simple interest on ₹3000 at 8% per year for 3 years? (a) ₹3720 (b) ₹240 (c) ₹960 (d) ₹720
9. 9.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2240 (b) ₹2360 (c) ₹240 (d) ₹2120
10. 10.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹300 (b) ₹240 (c) ₹60 (d) ₹2240
11. 11.The simple interest on ₹6500 for 3 years is ₹1560. What is the rate per year? (a) 7% (b) 9% (c) 24% (d) 8%
12. 12.The simple interest on ₹3000 for 3 years is ₹630. What is the rate per year? (a) 6% (b) 8% (c) 21% (d) 7%
13. 13.₹6500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹9360 (b) ₹2145 (c) ₹8645 (d) ₹7215
14. 14.The simple interest on ₹10000 for 2 years is ₹2000. What is the rate per year? (a) 11% (b) 20% (c) 9% (d) 10%
15. 15.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 2% (b) 6% (c) 1% (d) 3%
16. 16.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1040 (b) ₹1120 (c) ₹1160 (d) ₹120
17. 17.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
18. 18.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
19. 19.The simple interest on ₹2500 for 5 years is ₹1500. What is the rate per year? (a) 12% (b) 60% (c) 13% (d) 11%
20. 20.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10875 (b) ₹2700 (c) ₹10200 (d) ₹8175
21. 21.The simple interest on ₹1500 for 4 years is ₹180. What is the rate per year? (a) 12% (b) 2% (c) 3% (d) 4%
22. 22.The simple interest on ₹1500 for 2 years is ₹180. What is the rate per year? (a) 12% (b) 6% (c) 7% (d) 5%
23. 23.What is the simple interest on ₹5000 at 2% per year for 3 years? (a) ₹100 (b) ₹400 (c) ₹300 (d) ₹5300
24. 24.What is the simple interest on ₹2500 at 11% per year for 2 years? (a) ₹275 (b) ₹550 (c) ₹3050 (d) ₹825
25. 25.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹2040 (b) ₹675 (c) ₹135 (d) ₹540
26. 26.What is the simple interest on ₹6500 at 11% per year for 3 years? (a) ₹8645 (b) ₹715 (c) ₹2860 (d) ₹2145
27. 27.₹5500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5830 (b) ₹5720 (c) ₹220 (d) ₹5610
28. 28.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹240 (b) ₹2200 (c) ₹40 (d) ₹200
29. 29.₹4500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹4770 (b) ₹4590 (c) ₹4860 (d) ₹270
30. 30.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹11430 (b) ₹12240 (c) ₹2430 (d) ₹9810
31. 31.In how many years will ₹8000 earn ₹3520 simple interest at 11% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
32. 32.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 6%
33. 33.In how many years will ₹4000 earn ₹360 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
34. 34.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹540 (b) ₹1620 (c) ₹1080 (d) ₹7080
35. 35.The simple interest on ₹4500 for 2 years is ₹720. What is the rate per year? (a) 8% (b) 9% (c) 16% (d) 7%
36. 36.The simple interest on ₹10000 for 3 years is ₹1200. What is the rate per year? (a) 12% (b) 5% (c) 4% (d) 3%
37. 37.The simple interest on ₹3000 for 3 years is ₹360. What is the rate per year? (a) 5% (b) 3% (c) 12% (d) 4%
38. 38.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹270 (b) ₹1635 (c) ₹1905 (d) ₹1770
39. 39.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7800 (b) ₹7650 (c) ₹7950 (d) ₹300
40. 40.₹5500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹770 (b) ₹6655 (c) ₹5885 (d) ₹6270

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