Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 636 · 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 ₹10000 earn ₹2200 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
2. 2.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
3. 3.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹280 (b) ₹420 (c) ₹3780 (d) ₹140
4. 4.In how many years will ₹3500 earn ₹420 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
5. 5.₹4000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹960 (b) ₹4960 (c) ₹5200 (d) ₹4240
6. 6.In how many years will ₹2500 earn ₹900 simple interest at 9% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
7. 7.In how many years will ₹6000 earn ₹960 simple interest at 8% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
8. 8.₹9500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹10545 (b) ₹3135 (c) ₹13680 (d) ₹12635
9. 9.In how many years will ₹10000 earn ₹800 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
10. 10.₹7500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3000 (b) ₹11100 (c) ₹10500 (d) ₹8100
11. 11.₹5000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹6000 (b) ₹750 (c) ₹5250 (d) ₹5750
12. 12.What is the simple interest on ₹5000 at 8% per year for 5 years? (a) ₹2400 (b) ₹2000 (c) ₹400 (d) ₹7000
13. 13.The simple interest on ₹7500 for 2 years is ₹1800. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 24%
14. 14.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹900 (b) ₹225 (c) ₹8175 (d) ₹675
15. 15.In how many years will ₹1500 earn ₹180 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
16. 16.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹70 (b) ₹3850 (c) ₹420 (d) ₹350
17. 17.What is the simple interest on ₹3500 at 3% per year for 3 years? (a) ₹105 (b) ₹315 (c) ₹3815 (d) ₹420
18. 18.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
19. 19.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹6300 (b) ₹1800 (c) ₹6660 (d) ₹4860
20. 20.The simple interest on ₹8500 for 5 years is ₹2975. What is the rate per year? (a) 7% (b) 6% (c) 35% (d) 8%
21. 21.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹2750 (b) ₹50 (c) ₹250 (d) ₹300
22. 22.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 10% (b) 12% (c) 22% (d) 11%
23. 23.₹10000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹11800 (b) ₹10900 (c) ₹1800 (d) ₹12700
24. 24.The simple interest on ₹3500 for 4 years is ₹420. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 12%
25. 25.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹1815 (b) ₹605 (c) ₹7315 (d) ₹2420
26. 26.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹1530 (b) ₹510 (c) ₹1020 (d) ₹9520
27. 27.The simple interest on ₹3000 for 3 years is ₹720. What is the rate per year? (a) 7% (b) 24% (c) 9% (d) 8%
28. 28.₹10000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹13600 (b) ₹10600 (c) ₹13000 (d) ₹3000
29. 29.₹1000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹90 (b) ₹1120 (c) ₹1090 (d) ₹1030
30. 30.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8240 (b) ₹8480 (c) ₹8720 (d) ₹480
31. 31.₹5000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹500 (b) ₹5500 (c) ₹5250 (d) ₹5750
32. 32.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
33. 33.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹1100 (c) ₹80 (d) ₹1020
34. 34.The simple interest on ₹10000 for 4 years is ₹1200. What is the rate per year? (a) 2% (b) 12% (c) 4% (d) 3%
35. 35.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹2900 (b) ₹1080 (c) ₹180 (d) ₹900
36. 36.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹255 (b) ₹1275 (c) ₹1530 (d) ₹9775
37. 37.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
38. 38.In how many years will ₹4000 earn ₹1440 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
39. 39.The simple interest on ₹1500 for 2 years is ₹180. What is the rate per year? (a) 12% (b) 7% (c) 5% (d) 6%
40. 40.₹5500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1320 (b) ₹6820 (c) ₹7150 (d) ₹5830

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