Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 631 · 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 ₹5000 at 12% per year for 5 years? (a) ₹8000 (b) ₹3000 (c) ₹3600 (d) ₹600
2. 2.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹500 (b) ₹600 (c) ₹3000 (d) ₹100
3. 3.In how many years will ₹6000 earn ₹1080 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
4. 4.₹7000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4200 (b) ₹11200 (c) ₹7840 (d) ₹12040
5. 5.In how many years will ₹1000 earn ₹600 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
6. 6.₹5000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹5800 (b) ₹5600 (c) ₹600 (d) ₹5200
7. 7.In how many years will ₹6000 earn ₹1440 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
8. 8.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
9. 9.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
10. 10.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹1100 (c) ₹80 (d) ₹1020
11. 11.What is the simple interest on ₹4500 at 11% per year for 5 years? (a) ₹2970 (b) ₹495 (c) ₹6975 (d) ₹2475
12. 12.In how many years will ₹2500 earn ₹400 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
13. 13.In how many years will ₹3500 earn ₹280 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
14. 14.In how many years will ₹5000 earn ₹1250 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
15. 15.In how many years will ₹6500 earn ₹1300 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
16. 16.What is the simple interest on ₹5000 at 4% per year for 5 years? (a) ₹200 (b) ₹1200 (c) ₹1000 (d) ₹6000
17. 17.The simple interest on ₹1500 for 5 years is ₹675. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 45%
18. 18.The simple interest on ₹4500 for 4 years is ₹720. What is the rate per year? (a) 16% (b) 4% (c) 3% (d) 5%
19. 19.The simple interest on ₹2500 for 4 years is ₹400. What is the rate per year? (a) 16% (b) 3% (c) 5% (d) 4%
20. 20.The simple interest on ₹5000 for 3 years is ₹1500. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 30%
21. 21.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
22. 22.₹5500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹6600 (b) ₹5775 (c) ₹825 (d) ₹6325
23. 23.What is the simple interest on ₹7500 at 5% per year for 3 years? (a) ₹1125 (b) ₹8625 (c) ₹1500 (d) ₹375
24. 24.In how many years will ₹4000 earn ₹1320 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
25. 25.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹3600 (b) ₹1100 (c) ₹275 (d) ₹1375
26. 26.₹2500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3125 (b) ₹2625 (c) ₹625 (d) ₹3250
27. 27.What is the simple interest on ₹7500 at 2% per year for 4 years? (a) ₹750 (b) ₹600 (c) ₹150 (d) ₹8100
28. 28.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹600 (b) ₹100 (c) ₹2500 (d) ₹500
29. 29.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1620 (b) ₹1860 (c) ₹360 (d) ₹1980
30. 30.₹8000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹8160 (c) ₹8480 (d) ₹480
31. 31.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹360 (b) ₹540 (c) ₹180 (d) ₹1860
32. 32.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹1140 (b) ₹190 (c) ₹10450 (d) ₹950
33. 33.₹2500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1100 (b) ₹3875 (c) ₹3600 (d) ₹2775
34. 34.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹90 (b) ₹4770 (c) ₹360 (d) ₹270
35. 35.In how many years will ₹4500 earn ₹810 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
36. 36.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 3% (c) 8% (d) 4%
37. 37.In how many years will ₹8000 earn ₹2400 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
38. 38.The simple interest on ₹4000 for 2 years is ₹320. What is the rate per year? (a) 8% (b) 4% (c) 3% (d) 5%
39. 39.The simple interest on ₹7000 for 2 years is ₹1120. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
40. 40.₹1000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1480 (b) ₹1120 (c) ₹1600 (d) ₹480

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