Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 118 · 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.₹2500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3550 (b) ₹3375 (c) ₹2675 (d) ₹875
2. 2.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
3. 3.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹800 (b) ₹200 (c) ₹10600 (d) ₹600
4. 4.What is the simple interest on ₹8000 at 6% per year for 3 years? (a) ₹480 (b) ₹9440 (c) ₹1920 (d) ₹1440
5. 5.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6600 (b) ₹880 (c) ₹6380 (d) ₹5720
6. 6.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹90 (b) ₹270 (c) ₹3180 (d) ₹180
7. 7.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹420 (b) ₹3420 (c) ₹630 (d) ₹210
8. 8.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹1000 (b) ₹3500 (c) ₹1200 (d) ₹200
9. 9.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1020 (b) ₹9860 (c) ₹8840 (d) ₹9520
10. 10.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹40 (b) ₹200 (c) ₹2200 (d) ₹240
11. 11.What is the simple interest on ₹9000 at 8% per year for 3 years? (a) ₹2160 (b) ₹11160 (c) ₹2880 (d) ₹720
12. 12.₹5000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹7100 (b) ₹6750 (c) ₹1750 (d) ₹5350
13. 13.The simple interest on ₹5000 for 3 years is ₹1050. What is the rate per year? (a) 7% (b) 8% (c) 21% (d) 6%
14. 14.In how many years will ₹9000 earn ₹1620 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
15. 15.In how many years will ₹1500 earn ₹675 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
16. 16.What is the simple interest on ₹9500 at 11% per year for 3 years? (a) ₹12635 (b) ₹1045 (c) ₹4180 (d) ₹3135
17. 17.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 5% (b) 3% (c) 20% (d) 4%
18. 18.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
19. 19.In how many years will ₹4000 earn ₹240 simple interest at 2% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
20. 20.₹3500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹4025 (b) ₹420 (c) ₹3605 (d) ₹3920
21. 21.What is the simple interest on ₹4500 at 7% per year for 5 years? (a) ₹315 (b) ₹1890 (c) ₹1575 (d) ₹6075
22. 22.In how many years will ₹5500 earn ₹1485 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
23. 23.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1275 (b) ₹10030 (c) ₹8755 (d) ₹9775
24. 24.The simple interest on ₹6500 for 4 years is ₹1560. What is the rate per year? (a) 24% (b) 6% (c) 5% (d) 7%
25. 25.₹6000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹8400 (b) ₹1920 (c) ₹7920 (d) ₹6480
26. 26.The simple interest on ₹8500 for 4 years is ₹1700. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 20%
27. 27.₹2500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹3025 (b) ₹2675 (c) ₹3200 (d) ₹525
28. 28.In how many years will ₹9500 earn ₹4560 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
29. 29.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8755 (b) ₹9520 (c) ₹9775 (d) ₹1020
30. 30.In how many years will ₹10000 earn ₹2400 simple interest at 6% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
31. 31.In how many years will ₹5500 earn ₹1540 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
32. 32.What is the simple interest on ₹1500 at 7% per year for 3 years? (a) ₹420 (b) ₹105 (c) ₹1815 (d) ₹315
33. 33.What is the simple interest on ₹9000 at 7% per year for 5 years? (a) ₹3780 (b) ₹12150 (c) ₹3150 (d) ₹630
34. 34.What is the simple interest on ₹7500 at 11% per year for 5 years? (a) ₹825 (b) ₹11625 (c) ₹4950 (d) ₹4125
35. 35.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 6%
36. 36.What is the simple interest on ₹9000 at 9% per year for 2 years? (a) ₹1620 (b) ₹10620 (c) ₹2430 (d) ₹810
37. 37.₹4000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹160 (b) ₹4160 (c) ₹4080 (d) ₹4240
38. 38.What is the simple interest on ₹3000 at 12% per year for 2 years? (a) ₹720 (b) ₹360 (c) ₹1080 (d) ₹3720
39. 39.₹3500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3850 (b) ₹4900 (c) ₹5250 (d) ₹1400
40. 40.In how many years will ₹1500 earn ₹360 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years

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