Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 652 · 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 ₹7500 earn ₹900 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
2. 2.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹2120 (c) ₹2360 (d) ₹2240
3. 3.In how many years will ₹5000 earn ₹2200 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
4. 4.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹315 (b) ₹630 (c) ₹945 (d) ₹5130
5. 5.In how many years will ₹6500 earn ₹520 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
6. 6.In how many years will ₹8000 earn ₹2560 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
7. 7.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹1860 (c) ₹1560 (d) ₹1800
8. 8.What is the simple interest on ₹8500 at 6% per year for 3 years? (a) ₹510 (b) ₹10030 (c) ₹1530 (d) ₹2040
9. 9.In how many years will ₹5000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
10. 10.In how many years will ₹5500 earn ₹825 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
11. 11.In how many years will ₹5000 earn ₹900 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
12. 12.In how many years will ₹8500 earn ₹850 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
13. 13.The simple interest on ₹7000 for 4 years is ₹560. What is the rate per year? (a) 2% (b) 8% (c) 1% (d) 3%
14. 14.In how many years will ₹1000 earn ₹180 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
15. 15.The simple interest on ₹4500 for 4 years is ₹1800. What is the rate per year? (a) 40% (b) 10% (c) 11% (d) 9%
16. 16.In how many years will ₹4000 earn ₹1800 simple interest at 9% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
17. 17.The simple interest on ₹3000 for 3 years is ₹1080. What is the rate per year? (a) 36% (b) 11% (c) 13% (d) 12%
18. 18.₹1500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1665 (b) ₹495 (c) ₹1995 (d) ₹2160
19. 19.In how many years will ₹10000 earn ₹2500 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
20. 20.The simple interest on ₹3500 for 4 years is ₹560. What is the rate per year? (a) 16% (b) 4% (c) 5% (d) 3%
21. 21.What is the simple interest on ₹3000 at 12% per year for 2 years? (a) ₹1080 (b) ₹360 (c) ₹720 (d) ₹3720
22. 22.In how many years will ₹7500 earn ₹1500 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
23. 23.In how many years will ₹1500 earn ₹900 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
24. 24.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹4340 (b) ₹3780 (c) ₹4060 (d) ₹560
25. 25.In how many years will ₹9000 earn ₹1800 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
26. 26.The simple interest on ₹4000 for 3 years is ₹1200. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 30%
27. 27.In how many years will ₹2500 earn ₹825 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
28. 28.₹5500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹660 (b) ₹6380 (c) ₹5720 (d) ₹6160
29. 29.The simple interest on ₹7000 for 5 years is ₹4200. What is the rate per year? (a) 11% (b) 60% (c) 12% (d) 13%
30. 30.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹2320 (b) ₹400 (c) ₹320 (d) ₹80
31. 31.The simple interest on ₹1500 for 5 years is ₹450. What is the rate per year? (a) 7% (b) 6% (c) 30% (d) 5%
32. 32.In how many years will ₹8500 earn ₹1530 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
33. 33.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹2720 (b) ₹2040 (c) ₹680 (d) ₹10540
34. 34.What is the simple interest on ₹8500 at 6% per year for 5 years? (a) ₹3060 (b) ₹510 (c) ₹2550 (d) ₹11050
35. 35.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
36. 36.The simple interest on ₹6500 for 4 years is ₹3120. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 48%
37. 37.In how many years will ₹5000 earn ₹500 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
38. 38.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹440 (b) ₹1320 (c) ₹880 (d) ₹4880
39. 39.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
40. 40.The simple interest on ₹8000 for 5 years is ₹2000. What is the rate per year? (a) 25% (b) 6% (c) 4% (d) 5%

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