Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 661 · 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.What is the simple interest on ₹5000 at 9% per year for 4 years? (a) ₹450 (b) ₹1800 (c) ₹6800 (d) ₹2250
2. 2.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 4% (b) 15% (c) 5% (d) 6%
3. 3.In how many years will ₹3500 earn ₹420 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
4. 4.In how many years will ₹9500 earn ₹1900 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
5. 5.₹3500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3850 (b) ₹3675 (c) ₹4025 (d) ₹350
6. 6.What is the simple interest on ₹1000 at 4% per year for 5 years? (a) ₹1200 (b) ₹40 (c) ₹240 (d) ₹200
7. 7.The simple interest on ₹5500 for 5 years is ₹2750. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 50%
8. 8.The simple interest on ₹2500 for 2 years is ₹500. What is the rate per year? (a) 11% (b) 9% (c) 20% (d) 10%
9. 9.₹4500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹5040 (c) ₹4860 (d) ₹4680
10. 10.What is the simple interest on ₹6000 at 12% per year for 3 years? (a) ₹720 (b) ₹2160 (c) ₹2880 (d) ₹8160
11. 11.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹400 (b) ₹10400 (c) ₹10600 (d) ₹10200
12. 12.In how many years will ₹6000 earn ₹1440 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
13. 13.₹3000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹960 (b) ₹3960 (c) ₹3240 (d) ₹4200
14. 14.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹600 (b) ₹150 (c) ₹5600 (d) ₹750
15. 15.In how many years will ₹8500 earn ₹680 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
16. 16.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹11430 (b) ₹2430 (c) ₹9810 (d) ₹12240
17. 17.₹6000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹7200 (b) ₹900 (c) ₹6900 (d) ₹6300
18. 18.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
19. 19.In how many years will ₹2500 earn ₹1250 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
20. 20.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 2% (b) 4% (c) 6% (d) 3%
21. 21.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹270 (b) ₹180 (c) ₹90 (d) ₹4680
22. 22.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹495 (b) ₹165 (c) ₹330 (d) ₹5830
23. 23.In how many years will ₹5500 earn ₹440 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
24. 24.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹350 (b) ₹175 (c) ₹2850 (d) ₹525
25. 25.In how many years will ₹2000 earn ₹600 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
26. 26.The simple interest on ₹3500 for 5 years is ₹1575. What is the rate per year? (a) 45% (b) 8% (c) 10% (d) 9%
27. 27.In how many years will ₹9000 earn ₹3150 simple interest at 7% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
28. 28.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹195 (b) ₹780 (c) ₹7085 (d) ₹585
29. 29.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹150 (b) ₹750 (c) ₹8250 (d) ₹900
30. 30.In how many years will ₹8000 earn ₹960 simple interest at 3% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
31. 31.In how many years will ₹6500 earn ₹2340 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
32. 32.The simple interest on ₹2500 for 5 years is ₹375. What is the rate per year? (a) 3% (b) 15% (c) 4% (d) 2%
33. 33.₹4000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹4480 (b) ₹480 (c) ₹4600 (d) ₹4120
34. 34.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5580 (b) ₹4860 (c) ₹720 (d) ₹5220
35. 35.In how many years will ₹4000 earn ₹160 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
36. 36.The simple interest on ₹2000 for 5 years is ₹200. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
37. 37.What is the simple interest on ₹6500 at 9% per year for 5 years? (a) ₹585 (b) ₹2925 (c) ₹9425 (d) ₹3510
38. 38.The simple interest on ₹8000 for 5 years is ₹3600. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 45%
39. 39.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹1560 (b) ₹90 (c) ₹60 (d) ₹30
40. 40.₹6000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6900 (b) ₹6600 (c) ₹6300 (d) ₹600

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