Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 133 · 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.₹10000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹11500 (b) ₹10500 (c) ₹1000 (d) ₹11000
2. 2.What is the simple interest on ₹2000 at 10% per year for 5 years? (a) ₹200 (b) ₹1200 (c) ₹3000 (d) ₹1000
3. 3.In how many years will ₹4500 earn ₹900 simple interest at 10% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
4. 4.What is the simple interest on ₹6000 at 6% per year for 3 years? (a) ₹1080 (b) ₹360 (c) ₹7080 (d) ₹1440
5. 5.₹2500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹2750 (b) ₹200 (c) ₹2700 (d) ₹2550
6. 6.What is the simple interest on ₹3000 at 10% per year for 3 years? (a) ₹3900 (b) ₹1200 (c) ₹900 (d) ₹300
7. 7.What is the simple interest on ₹8500 at 2% per year for 2 years? (a) ₹8840 (b) ₹510 (c) ₹340 (d) ₹170
8. 8.The simple interest on ₹9500 for 5 years is ₹950. What is the rate per year? (a) 10% (b) 2% (c) 1% (d) 3%
9. 9.In how many years will ₹6000 earn ₹1440 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
10. 10.The simple interest on ₹2000 for 5 years is ₹1100. What is the rate per year? (a) 10% (b) 55% (c) 11% (d) 12%
11. 11.The simple interest on ₹9500 for 4 years is ₹760. What is the rate per year? (a) 1% (b) 3% (c) 8% (d) 2%
12. 12.₹1500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2040 (b) ₹540 (c) ₹1680 (d) ₹2220
13. 13.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹3270 (c) ₹3180 (d) ₹3090
14. 14.The simple interest on ₹9000 for 2 years is ₹2160. What is the rate per year? (a) 24% (b) 11% (c) 12% (d) 13%
15. 15.The simple interest on ₹7000 for 4 years is ₹1400. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 6%
16. 16.In how many years will ₹3500 earn ₹420 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
17. 17.What is the simple interest on ₹4500 at 2% per year for 4 years? (a) ₹360 (b) ₹90 (c) ₹450 (d) ₹4860
18. 18.What is the simple interest on ₹4000 at 6% per year for 3 years? (a) ₹4720 (b) ₹960 (c) ₹240 (d) ₹720
19. 19.What is the simple interest on ₹8500 at 5% per year for 4 years? (a) ₹2125 (b) ₹425 (c) ₹10200 (d) ₹1700
20. 20.The simple interest on ₹8500 for 4 years is ₹3060. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
21. 21.₹1000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1360 (b) ₹1120 (c) ₹1240 (d) ₹240
22. 22.In how many years will ₹5000 earn ₹1500 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
23. 23.In how many years will ₹1500 earn ₹360 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
24. 24.In how many years will ₹7000 earn ₹560 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
25. 25.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹50 (b) ₹250 (c) ₹200 (d) ₹2700
26. 26.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹340 (b) ₹9180 (c) ₹1020 (d) ₹680
27. 27.₹7000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7630 (b) ₹7420 (c) ₹7210 (d) ₹420
28. 28.The simple interest on ₹3500 for 5 years is ₹1050. What is the rate per year? (a) 6% (b) 5% (c) 30% (d) 7%
29. 29.The simple interest on ₹8000 for 5 years is ₹800. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
30. 30.₹3500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3675 (b) ₹3850 (c) ₹4025 (d) ₹350
31. 31.The simple interest on ₹2000 for 2 years is ₹400. What is the rate per year? (a) 9% (b) 11% (c) 20% (d) 10%
32. 32.In how many years will ₹7000 earn ₹700 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
33. 33.What is the simple interest on ₹5000 at 7% per year for 4 years? (a) ₹350 (b) ₹6400 (c) ₹1400 (d) ₹1750
34. 34.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
35. 35.In how many years will ₹4000 earn ₹800 simple interest at 5% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
36. 36.The simple interest on ₹2000 for 5 years is ₹900. What is the rate per year? (a) 9% (b) 45% (c) 8% (d) 10%
37. 37.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 4%
38. 38.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹1815 (b) ₹605 (c) ₹6710 (d) ₹1210
39. 39.In how many years will ₹6000 earn ₹1980 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
40. 40.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹1905 (b) ₹135 (c) ₹540 (d) ₹405

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