Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 755 · 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.₹7000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹8260 (c) ₹7210 (d) ₹8050
2. 2.The simple interest on ₹4000 for 5 years is ₹2000. What is the rate per year? (a) 11% (b) 9% (c) 50% (d) 10%
3. 3.In how many years will ₹1500 earn ₹240 simple interest at 4% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
4. 4.The simple interest on ₹1500 for 2 years is ₹240. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 16%
5. 5.In how many years will ₹9500 earn ₹1900 simple interest at 4% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
6. 6.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹200 (b) ₹100 (c) ₹2200 (d) ₹300
7. 7.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹2180 (b) ₹180 (c) ₹240 (d) ₹60
8. 8.The simple interest on ₹1500 for 3 years is ₹495. What is the rate per year? (a) 11% (b) 12% (c) 33% (d) 10%
9. 9.The simple interest on ₹9500 for 3 years is ₹1995. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 21%
10. 10.In how many years will ₹1000 earn ₹400 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
11. 11.The simple interest on ₹5500 for 5 years is ₹1375. What is the rate per year? (a) 4% (b) 5% (c) 25% (d) 6%
12. 12.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
13. 13.₹10000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹14200 (b) ₹3500 (c) ₹13500 (d) ₹10700
14. 14.₹6000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹7440 (b) ₹1440 (c) ₹7920 (d) ₹6480
15. 15.In how many years will ₹4500 earn ₹270 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
16. 16.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹1350 (b) ₹1800 (c) ₹8850 (d) ₹450
17. 17.In how many years will ₹5500 earn ₹660 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
18. 18.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 10% (b) 1% (c) 3% (d) 2%
19. 19.In how many years will ₹9500 earn ₹5225 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
20. 20.The simple interest on ₹1500 for 3 years is ₹180. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 12%
21. 21.What is the simple interest on ₹4000 at 11% per year for 3 years? (a) ₹5320 (b) ₹1760 (c) ₹440 (d) ₹1320
22. 22.In how many years will ₹8000 earn ₹4800 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
23. 23.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3360 (b) ₹4440 (c) ₹1080 (d) ₹4080
24. 24.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹280 (b) ₹1400 (c) ₹1680 (d) ₹4900
25. 25.₹3000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4980 (b) ₹1650 (c) ₹4650 (d) ₹3330
26. 26.₹1000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹1320 (c) ₹320 (d) ₹1400
27. 27.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹1710 (b) ₹855 (c) ₹11210 (d) ₹2565
28. 28.In how many years will ₹1000 earn ₹180 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
29. 29.In how many years will ₹6000 earn ₹1080 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
30. 30.₹2500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹2550 (b) ₹2750 (c) ₹2700 (d) ₹200
31. 31.₹7000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹840 (b) ₹8050 (c) ₹7210 (d) ₹7840
32. 32.In how many years will ₹8500 earn ₹1700 simple interest at 4% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
33. 33.The simple interest on ₹4500 for 2 years is ₹900. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 20%
34. 34.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1815 (b) ₹1920 (c) ₹315 (d) ₹1605
35. 35.The simple interest on ₹6500 for 5 years is ₹975. What is the rate per year? (a) 3% (b) 15% (c) 2% (d) 4%
36. 36.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
37. 37.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹240 (c) ₹6120 (d) ₹6240
38. 38.₹4000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4720 (b) ₹600 (c) ₹4120 (d) ₹4600
39. 39.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 12% (b) 10% (c) 33% (d) 11%
40. 40.The simple interest on ₹6500 for 3 years is ₹1170. What is the rate per year? (a) 6% (b) 5% (c) 18% (d) 7%

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