Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 29 · 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 ₹6000 at 6% per year for 2 years? (a) ₹1080 (b) ₹360 (c) ₹720 (d) ₹6720
2. 2.What is the simple interest on ₹9500 at 5% per year for 5 years? (a) ₹475 (b) ₹11875 (c) ₹2375 (d) ₹2850
3. 3.In how many years will ₹2000 earn ₹540 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
4. 4.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹390 (b) ₹7280 (c) ₹780 (d) ₹1170
5. 5.The simple interest on ₹8500 for 2 years is ₹1190. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 14%
6. 6.What is the simple interest on ₹7500 at 3% per year for 5 years? (a) ₹1125 (b) ₹225 (c) ₹8625 (d) ₹1350
7. 7.₹4000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5440 (b) ₹5200 (c) ₹1200 (d) ₹4240
8. 8.What is the simple interest on ₹4500 at 10% per year for 3 years? (a) ₹5850 (b) ₹450 (c) ₹1800 (d) ₹1350
9. 9.What is the simple interest on ₹6000 at 9% per year for 3 years? (a) ₹7620 (b) ₹1620 (c) ₹540 (d) ₹2160
10. 10.What is the simple interest on ₹6500 at 3% per year for 5 years? (a) ₹195 (b) ₹7475 (c) ₹975 (d) ₹1170
11. 11.What is the simple interest on ₹7000 at 4% per year for 2 years? (a) ₹7560 (b) ₹560 (c) ₹280 (d) ₹840
12. 12.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
13. 13.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹1830 (b) ₹495 (c) ₹165 (d) ₹330
14. 14.In how many years will ₹7500 earn ₹2700 simple interest at 9% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
15. 15.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
16. 16.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10030 (b) ₹8755 (c) ₹1275 (d) ₹9775
17. 17.₹7000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3150 (b) ₹10780 (c) ₹10150 (d) ₹7630
18. 18.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹100 (b) ₹300 (c) ₹2800 (d) ₹400
19. 19.In how many years will ₹1000 earn ₹360 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
20. 20.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹120 (b) ₹720 (c) ₹600 (d) ₹4600
21. 21.The simple interest on ₹1000 for 4 years is ₹360. What is the rate per year? (a) 36% (b) 8% (c) 9% (d) 10%
22. 22.₹4000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹4280 (c) ₹5120 (d) ₹5400
23. 23.What is the simple interest on ₹2500 at 12% per year for 4 years? (a) ₹300 (b) ₹1500 (c) ₹3700 (d) ₹1200
24. 24.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1000 (b) ₹6000 (c) ₹5500 (d) ₹6500
25. 25.The simple interest on ₹5500 for 3 years is ₹495. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 9%
26. 26.In how many years will ₹1000 earn ₹160 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
27. 27.₹3000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3180 (b) ₹3540 (c) ₹3360 (d) ₹360
28. 28.The simple interest on ₹2000 for 3 years is ₹660. What is the rate per year? (a) 12% (b) 33% (c) 10% (d) 11%
29. 29.The simple interest on ₹4500 for 4 years is ₹1980. What is the rate per year? (a) 44% (b) 12% (c) 11% (d) 10%
30. 30.What is the simple interest on ₹5500 at 5% per year for 3 years? (a) ₹1100 (b) ₹825 (c) ₹6325 (d) ₹275
31. 31.In how many years will ₹6000 earn ₹900 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
32. 32.₹9000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹10890 (b) ₹9630 (c) ₹1260 (d) ₹10260
33. 33.In how many years will ₹6500 earn ₹3250 simple interest at 10% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
34. 34.What is the simple interest on ₹1000 at 6% per year for 4 years? (a) ₹60 (b) ₹1240 (c) ₹300 (d) ₹240
35. 35.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹10925 (b) ₹285 (c) ₹1710 (d) ₹1425
36. 36.₹8500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9350 (b) ₹2550 (c) ₹11900 (d) ₹11050
37. 37.The simple interest on ₹7500 for 3 years is ₹2700. What is the rate per year? (a) 11% (b) 12% (c) 36% (d) 13%
38. 38.In how many years will ₹9000 earn ₹2970 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
39. 39.The simple interest on ₹3000 for 3 years is ₹360. What is the rate per year? (a) 5% (b) 12% (c) 4% (d) 3%
40. 40.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹680 (b) ₹9180 (c) ₹9520 (d) ₹8840

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