Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 899 · 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.₹6000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹7440 (b) ₹7800 (c) ₹6360 (d) ₹1440
2. 2.In how many years will ₹6500 earn ₹650 simple interest at 2% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
3. 3.The simple interest on ₹3500 for 2 years is ₹210. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 6%
4. 4.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
5. 5.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹4400 (b) ₹400 (c) ₹600 (d) ₹200
6. 6.In how many years will ₹8500 earn ₹2295 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
7. 7.What is the simple interest on ₹1000 at 3% per year for 4 years? (a) ₹30 (b) ₹120 (c) ₹1120 (d) ₹150
8. 8.In how many years will ₹9000 earn ₹3960 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
9. 9.What is the simple interest on ₹5500 at 4% per year for 5 years? (a) ₹6600 (b) ₹1100 (c) ₹1320 (d) ₹220
10. 10.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹1680 (b) ₹1260 (c) ₹420 (d) ₹8260
11. 11.What is the simple interest on ₹2000 at 9% per year for 2 years? (a) ₹540 (b) ₹180 (c) ₹360 (d) ₹2360
12. 12.The simple interest on ₹3500 for 2 years is ₹840. What is the rate per year? (a) 13% (b) 11% (c) 24% (d) 12%
13. 13.The simple interest on ₹7500 for 4 years is ₹900. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 2%
14. 14.₹1000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1240 (b) ₹1080 (c) ₹1160 (d) ₹160
15. 15.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹420 (b) ₹525 (c) ₹1920 (d) ₹105
16. 16.The simple interest on ₹3500 for 5 years is ₹1750. What is the rate per year? (a) 9% (b) 50% (c) 10% (d) 11%
17. 17.What is the simple interest on ₹3500 at 7% per year for 5 years? (a) ₹1225 (b) ₹4725 (c) ₹1470 (d) ₹245
18. 18.The simple interest on ₹8000 for 5 years is ₹3600. What is the rate per year? (a) 10% (b) 9% (c) 45% (d) 8%
19. 19.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹250 (b) ₹1050 (c) ₹1250 (d) ₹1300
20. 20.The simple interest on ₹5000 for 5 years is ₹2000. What is the rate per year? (a) 40% (b) 8% (c) 9% (d) 7%
21. 21.In how many years will ₹8500 earn ₹1530 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
22. 22.The simple interest on ₹2500 for 2 years is ₹300. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
23. 23.What is the simple interest on ₹10000 at 12% per year for 3 years? (a) ₹13600 (b) ₹3600 (c) ₹4800 (d) ₹1200
24. 24.₹10000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10300 (b) ₹1500 (c) ₹11500 (d) ₹11800
25. 25.What is the simple interest on ₹10000 at 10% per year for 4 years? (a) ₹14000 (b) ₹5000 (c) ₹4000 (d) ₹1000
26. 26.₹4500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4905 (b) ₹405 (c) ₹4635 (d) ₹5040
27. 27.₹10000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹4500 (b) ₹10900 (c) ₹15400 (d) ₹14500
28. 28.₹10000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹11800 (b) ₹1800 (c) ₹10600 (d) ₹12400
29. 29.The simple interest on ₹4500 for 2 years is ₹1080. What is the rate per year? (a) 13% (b) 24% (c) 12% (d) 11%
30. 30.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹840 (b) ₹420 (c) ₹6840 (d) ₹1260
31. 31.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹80 (b) ₹60 (c) ₹1060 (d) ₹20
32. 32.In how many years will ₹2500 earn ₹375 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
33. 33.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹1020 (b) ₹3060 (c) ₹2040 (d) ₹10540
34. 34.The simple interest on ₹1500 for 3 years is ₹270. What is the rate per year? (a) 7% (b) 6% (c) 18% (d) 5%
35. 35.₹8000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹9440 (b) ₹8960 (c) ₹8480 (d) ₹960
36. 36.The simple interest on ₹9000 for 2 years is ₹1080. What is the rate per year? (a) 6% (b) 12% (c) 7% (d) 5%
37. 37.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 8%
38. 38.₹4000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1280 (b) ₹5600 (c) ₹4320 (d) ₹5280
39. 39.The simple interest on ₹9000 for 2 years is ₹720. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 8%
40. 40.In how many years will ₹3000 earn ₹1200 simple interest at 8% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years

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