Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 762 · 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 ₹6000 earn ₹1320 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
2. 2.The simple interest on ₹8000 for 3 years is ₹1440. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 18%
3. 3.In how many years will ₹2500 earn ₹375 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
4. 4.₹5500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1540 (b) ₹5885 (c) ₹7040 (d) ₹7425
5. 5.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹225 (b) ₹2650 (c) ₹150 (d) ₹75
6. 6.In how many years will ₹10000 earn ₹2800 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
7. 7.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 24% (b) 13% (c) 11% (d) 12%
8. 8.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹2320 (b) ₹320 (c) ₹80 (d) ₹400
9. 9.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹70 (b) ₹3640 (c) ₹140 (d) ₹210
10. 10.In how many years will ₹7500 earn ₹3750 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
11. 11.In how many years will ₹1000 earn ₹500 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
12. 12.In how many years will ₹3000 earn ₹450 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
13. 13.The simple interest on ₹1000 for 4 years is ₹120. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 12%
14. 14.₹1500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2175 (b) ₹2040 (c) ₹540 (d) ₹1635
15. 15.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 3%
16. 16.In how many years will ₹7000 earn ₹1120 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
17. 17.The simple interest on ₹1500 for 3 years is ₹495. What is the rate per year? (a) 12% (b) 33% (c) 11% (d) 10%
18. 18.₹4500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹6525 (b) ₹1620 (c) ₹4905 (d) ₹6120
19. 19.What is the simple interest on ₹6500 at 9% per year for 5 years? (a) ₹585 (b) ₹3510 (c) ₹9425 (d) ₹2925
20. 20.In how many years will ₹6000 earn ₹600 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
21. 21.In how many years will ₹4500 earn ₹1800 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
22. 22.The simple interest on ₹4000 for 3 years is ₹1320. What is the rate per year? (a) 33% (b) 12% (c) 10% (d) 11%
23. 23.₹5000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2500 (b) ₹5500 (c) ₹7500 (d) ₹8000
24. 24.What is the simple interest on ₹9000 at 4% per year for 3 years? (a) ₹1440 (b) ₹360 (c) ₹1080 (d) ₹10080
25. 25.What is the simple interest on ₹8500 at 6% per year for 5 years? (a) ₹2550 (b) ₹510 (c) ₹11050 (d) ₹3060
26. 26.In how many years will ₹5000 earn ₹500 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
27. 27.The simple interest on ₹2500 for 3 years is ₹300. What is the rate per year? (a) 3% (b) 5% (c) 12% (d) 4%
28. 28.What is the simple interest on ₹7500 at 11% per year for 5 years? (a) ₹4125 (b) ₹825 (c) ₹11625 (d) ₹4950
29. 29.The simple interest on ₹6500 for 5 years is ₹3250. What is the rate per year? (a) 50% (b) 11% (c) 9% (d) 10%
30. 30.In how many years will ₹3000 earn ₹810 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
31. 31.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
32. 32.What is the simple interest on ₹2500 at 9% per year for 4 years? (a) ₹3400 (b) ₹225 (c) ₹900 (d) ₹1125
33. 33.What is the simple interest on ₹1000 at 3% per year for 4 years? (a) ₹120 (b) ₹30 (c) ₹1120 (d) ₹150
34. 34.In how many years will ₹7500 earn ₹2025 simple interest at 9% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
35. 35.₹2000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2220 (b) ₹1100 (c) ₹3320 (d) ₹3100
36. 36.In how many years will ₹8000 earn ₹1280 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
37. 37.₹1500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1635 (b) ₹1590 (c) ₹1545 (d) ₹90
38. 38.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹680 (b) ₹3400 (c) ₹11900 (d) ₹4080
39. 39.The simple interest on ₹2000 for 4 years is ₹400. What is the rate per year? (a) 5% (b) 6% (c) 20% (d) 4%
40. 40.₹10000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹10600 (b) ₹12400 (c) ₹1800 (d) ₹11800

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