Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 667 · 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 ₹5000 earn ₹900 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
2. 2.₹7000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹7350 (c) ₹1050 (d) ₹8050
3. 3.₹7000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹11200 (b) ₹7700 (c) ₹10500 (d) ₹3500
4. 4.In how many years will ₹10000 earn ₹1500 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
5. 5.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
6. 6.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
7. 7.In how many years will ₹8500 earn ₹1275 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
8. 8.₹4000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹4240 (b) ₹5440 (c) ₹5200 (d) ₹1200
9. 9.In how many years will ₹9000 earn ₹2160 simple interest at 6% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
10. 10.₹6500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹975 (b) ₹7475 (c) ₹7670 (d) ₹6695
11. 11.In how many years will ₹5500 earn ₹660 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
12. 12.What is the simple interest on ₹7500 at 7% per year for 5 years? (a) ₹2625 (b) ₹3150 (c) ₹10125 (d) ₹525
13. 13.The simple interest on ₹7000 for 2 years is ₹1400. What is the rate per year? (a) 20% (b) 9% (c) 10% (d) 11%
14. 14.What is the simple interest on ₹1000 at 11% per year for 2 years? (a) ₹110 (b) ₹220 (c) ₹1220 (d) ₹330
15. 15.In how many years will ₹2500 earn ₹375 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
16. 16.In how many years will ₹4500 earn ₹405 simple interest at 3% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
17. 17.The simple interest on ₹5000 for 2 years is ₹200. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 4%
18. 18.₹3500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹5250 (b) ₹3850 (c) ₹1400 (d) ₹4900
19. 19.In how many years will ₹3500 earn ₹1575 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
20. 20.What is the simple interest on ₹2000 at 9% per year for 4 years? (a) ₹180 (b) ₹720 (c) ₹900 (d) ₹2720
21. 21.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹990 (b) ₹6160 (c) ₹330 (d) ₹660
22. 22.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹495 (b) ₹660 (c) ₹1995 (d) ₹165
23. 23.₹2500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹3000 (b) ₹2875 (c) ₹375 (d) ₹2625
24. 24.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹3570 (c) ₹140 (d) ₹3640
25. 25.The simple interest on ₹2500 for 3 years is ₹450. What is the rate per year? (a) 7% (b) 5% (c) 18% (d) 6%
26. 26.What is the simple interest on ₹9500 at 5% per year for 5 years? (a) ₹2375 (b) ₹2850 (c) ₹11875 (d) ₹475
27. 27.What is the simple interest on ₹3500 at 3% per year for 5 years? (a) ₹525 (b) ₹630 (c) ₹105 (d) ₹4025
28. 28.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹1260 (b) ₹1050 (c) ₹4050 (d) ₹210
29. 29.₹7500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7950 (b) ₹2250 (c) ₹10200 (d) ₹9750
30. 30.The simple interest on ₹1000 for 5 years is ₹200. What is the rate per year? (a) 3% (b) 5% (c) 20% (d) 4%
31. 31.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 12% (b) 22% (c) 11% (d) 10%
32. 32.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹1080 (b) ₹2160 (c) ₹11160 (d) ₹3240
33. 33.The simple interest on ₹8000 for 3 years is ₹480. What is the rate per year? (a) 1% (b) 2% (c) 6% (d) 3%
34. 34.The simple interest on ₹8500 for 5 years is ₹5100. What is the rate per year? (a) 60% (b) 12% (c) 11% (d) 13%
35. 35.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹525 (b) ₹175 (c) ₹350 (d) ₹3850
36. 36.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹900 (b) ₹300 (c) ₹1200 (d) ₹8400
37. 37.₹5500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5830 (b) ₹7150 (c) ₹1650 (d) ₹7480
38. 38.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 10% (b) 27% (c) 8% (d) 9%
39. 39.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
40. 40.What is the simple interest on ₹5000 at 5% per year for 3 years? (a) ₹250 (b) ₹750 (c) ₹1000 (d) ₹5750

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