Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 186 · 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 ₹5500 earn ₹2420 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
2. 2.What is the simple interest on ₹10000 at 6% per year for 4 years? (a) ₹3000 (b) ₹2400 (c) ₹600 (d) ₹12400
3. 3.₹3500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3920 (b) ₹3605 (c) ₹4025 (d) ₹420
4. 4.In how many years will ₹8000 earn ₹1120 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
5. 5.The simple interest on ₹8500 for 2 years is ₹1020. What is the rate per year? (a) 5% (b) 12% (c) 6% (d) 7%
6. 6.₹5500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹6820 (b) ₹7150 (c) ₹1320 (d) ₹5830
7. 7.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 1% (b) 4% (c) 2% (d) 3%
8. 8.What is the simple interest on ₹6000 at 8% per year for 5 years? (a) ₹8400 (b) ₹2400 (c) ₹2880 (d) ₹480
9. 9.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹1815 (b) ₹7315 (c) ₹605 (d) ₹2420
10. 10.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2750 (b) ₹3750 (c) ₹3500 (d) ₹1000
11. 11.The simple interest on ₹5500 for 4 years is ₹1760. What is the rate per year? (a) 32% (b) 9% (c) 7% (d) 8%
12. 12.₹8500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9010 (b) ₹340 (c) ₹8670 (d) ₹8840
13. 13.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹3660 (b) ₹990 (c) ₹330 (d) ₹660
14. 14.What is the simple interest on ₹7500 at 9% per year for 5 years? (a) ₹675 (b) ₹4050 (c) ₹3375 (d) ₹10875
15. 15.What is the simple interest on ₹10000 at 10% per year for 2 years? (a) ₹2000 (b) ₹12000 (c) ₹3000 (d) ₹1000
16. 16.The simple interest on ₹8000 for 3 years is ₹2160. What is the rate per year? (a) 27% (b) 9% (c) 8% (d) 10%
17. 17.₹8000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹8800 (c) ₹8400 (d) ₹9200
18. 18.What is the simple interest on ₹1500 at 11% per year for 4 years? (a) ₹165 (b) ₹2160 (c) ₹660 (d) ₹825
19. 19.What is the simple interest on ₹4500 at 4% per year for 3 years? (a) ₹720 (b) ₹540 (c) ₹180 (d) ₹5040
20. 20.₹8500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹11900 (b) ₹11050 (c) ₹2550 (d) ₹9350
21. 21.₹5500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5665 (b) ₹6490 (c) ₹825 (d) ₹6325
22. 22.What is the simple interest on ₹6000 at 4% per year for 5 years? (a) ₹1440 (b) ₹240 (c) ₹1200 (d) ₹7200
23. 23.The simple interest on ₹6000 for 5 years is ₹1800. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 30%
24. 24.₹1000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹240 (b) ₹1240 (c) ₹1080 (d) ₹1320
25. 25.What is the simple interest on ₹1500 at 8% per year for 3 years? (a) ₹1860 (b) ₹120 (c) ₹360 (d) ₹480
26. 26.The simple interest on ₹5000 for 5 years is ₹1000. What is the rate per year? (a) 3% (b) 20% (c) 5% (d) 4%
27. 27.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
28. 28.In how many years will ₹2500 earn ₹450 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
29. 29.In how many years will ₹9500 earn ₹4560 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
30. 30.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 22%
31. 31.The simple interest on ₹2500 for 5 years is ₹1375. What is the rate per year? (a) 55% (b) 11% (c) 10% (d) 12%
32. 32.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹75 (b) ₹2650 (c) ₹225 (d) ₹150
33. 33.What is the simple interest on ₹5000 at 3% per year for 2 years? (a) ₹5300 (b) ₹300 (c) ₹450 (d) ₹150
34. 34.What is the simple interest on ₹5000 at 2% per year for 5 years? (a) ₹600 (b) ₹100 (c) ₹500 (d) ₹5500
35. 35.The simple interest on ₹4500 for 5 years is ₹450. What is the rate per year? (a) 10% (b) 3% (c) 1% (d) 2%
36. 36.In how many years will ₹5500 earn ₹1760 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
37. 37.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹840 (b) ₹280 (c) ₹4060 (d) ₹560
38. 38.The simple interest on ₹6500 for 4 years is ₹520. What is the rate per year? (a) 3% (b) 8% (c) 1% (d) 2%
39. 39.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 5% (c) 8% (d) 3%
40. 40.What is the simple interest on ₹4000 at 3% per year for 3 years? (a) ₹120 (b) ₹4360 (c) ₹480 (d) ₹360

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad