Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 904 · 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.The simple interest on ₹6000 for 2 years is ₹480. What is the rate per year? (a) 8% (b) 5% (c) 4% (d) 3%
2. 2.In how many years will ₹6000 earn ₹1320 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
3. 3.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 5% (b) 7% (c) 12% (d) 6%
4. 4.The simple interest on ₹4000 for 4 years is ₹960. What is the rate per year? (a) 5% (b) 24% (c) 7% (d) 6%
5. 5.In how many years will ₹1500 earn ₹240 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
6. 6.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹160 (b) ₹640 (c) ₹4640 (d) ₹800
7. 7.What is the simple interest on ₹6000 at 9% per year for 3 years? (a) ₹1620 (b) ₹7620 (c) ₹540 (d) ₹2160
8. 8.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹2160 (b) ₹1800 (c) ₹4800 (d) ₹360
9. 9.₹4000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹5800 (b) ₹1800 (c) ₹6160 (d) ₹4360
10. 10.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹8640 (b) ₹640 (c) ₹320 (d) ₹960
11. 11.The simple interest on ₹1000 for 2 years is ₹220. What is the rate per year? (a) 12% (b) 22% (c) 11% (d) 10%
12. 12.The simple interest on ₹5500 for 3 years is ₹1650. What is the rate per year? (a) 30% (b) 9% (c) 10% (d) 11%
13. 13.₹5500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹660 (b) ₹5720 (c) ₹6160 (d) ₹6380
14. 14.The simple interest on ₹7500 for 5 years is ₹4125. What is the rate per year? (a) 55% (b) 11% (c) 12% (d) 10%
15. 15.What is the simple interest on ₹1000 at 12% per year for 2 years? (a) ₹120 (b) ₹360 (c) ₹1240 (d) ₹240
16. 16.The simple interest on ₹1500 for 3 years is ₹540. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 36%
17. 17.₹4500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4680 (b) ₹720 (c) ₹5400 (d) ₹5220
18. 18.The simple interest on ₹6000 for 5 years is ₹600. What is the rate per year? (a) 2% (b) 10% (c) 3% (d) 1%
19. 19.What is the simple interest on ₹8500 at 10% per year for 5 years? (a) ₹4250 (b) ₹850 (c) ₹12750 (d) ₹5100
20. 20.₹4000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹4800 (b) ₹5000 (c) ₹800 (d) ₹4200
21. 21.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3500 (b) ₹3700 (c) ₹2700 (d) ₹1000
22. 22.The simple interest on ₹2000 for 5 years is ₹1200. What is the rate per year? (a) 60% (b) 12% (c) 13% (d) 11%
23. 23.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
24. 24.The simple interest on ₹8500 for 4 years is ₹3740. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 44%
25. 25.In how many years will ₹3000 earn ₹450 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
26. 26.The simple interest on ₹10000 for 5 years is ₹1000. What is the rate per year? (a) 10% (b) 2% (c) 1% (d) 3%
27. 27.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹200 (b) ₹1200 (c) ₹1000 (d) ₹5000
28. 28.What is the simple interest on ₹9500 at 10% per year for 4 years? (a) ₹950 (b) ₹3800 (c) ₹4750 (d) ₹13300
29. 29.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹180 (b) ₹60 (c) ₹120 (d) ₹2120
30. 30.In how many years will ₹5000 earn ₹1500 simple interest at 6% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
31. 31.₹10000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹12400 (b) ₹10800 (c) ₹11600 (d) ₹1600
32. 32.In how many years will ₹2500 earn ₹1200 simple interest at 12% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
33. 33.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹280 (b) ₹420 (c) ₹140 (d) ₹3780
34. 34.₹10000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10900 (b) ₹10600 (c) ₹600 (d) ₹10300
35. 35.The simple interest on ₹8000 for 5 years is ₹800. What is the rate per year? (a) 1% (b) 2% (c) 10% (d) 3%
36. 36.In how many years will ₹8500 earn ₹1530 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
37. 37.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹315 (b) ₹1260 (c) ₹1575 (d) ₹4760
38. 38.₹1500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹825 (b) ₹1665 (c) ₹2490 (d) ₹2325
39. 39.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
40. 40.What is the simple interest on ₹4500 at 10% per year for 4 years? (a) ₹2250 (b) ₹1800 (c) ₹450 (d) ₹6300

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