Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 747 · 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 ₹3500 for 2 years is ₹420. What is the rate per year? (a) 12% (b) 5% (c) 6% (d) 7%
2. 2.₹10000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹14200 (b) ₹10700 (c) ₹13500 (d) ₹3500
3. 3.The simple interest on ₹2500 for 5 years is ₹375. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
4. 4.In how many years will ₹5000 earn ₹1500 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
5. 5.What is the simple interest on ₹1000 at 10% per year for 4 years? (a) ₹1400 (b) ₹100 (c) ₹500 (d) ₹400
6. 6.₹2500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹200 (b) ₹2700 (c) ₹2750 (d) ₹2550
7. 7.₹4000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹5120 (b) ₹4280 (c) ₹5400 (d) ₹1120
8. 8.In how many years will ₹2500 earn ₹600 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
9. 9.What is the simple interest on ₹3500 at 12% per year for 4 years? (a) ₹1680 (b) ₹5180 (c) ₹420 (d) ₹2100
10. 10.In how many years will ₹5500 earn ₹550 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
11. 11.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
12. 12.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
13. 13.₹1000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1500 (b) ₹400 (c) ₹1400 (d) ₹1100
14. 14.The simple interest on ₹3500 for 5 years is ₹1750. What is the rate per year? (a) 9% (b) 50% (c) 11% (d) 10%
15. 15.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3660 (b) ₹660 (c) ₹3330 (d) ₹3990
16. 16.₹4000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹5440 (b) ₹1080 (c) ₹5080 (d) ₹4360
17. 17.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹4400 (b) ₹600 (c) ₹400 (d) ₹200
18. 18.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
19. 19.In how many years will ₹6000 earn ₹360 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
20. 20.The simple interest on ₹5500 for 5 years is ₹3300. What is the rate per year? (a) 12% (b) 13% (c) 60% (d) 11%
21. 21.In how many years will ₹4000 earn ₹240 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
22. 22.₹5500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹5940 (b) ₹5830 (c) ₹330 (d) ₹5610
23. 23.What is the simple interest on ₹3500 at 12% per year for 5 years? (a) ₹5600 (b) ₹2100 (c) ₹420 (d) ₹2520
24. 24.What is the simple interest on ₹1000 at 12% per year for 5 years? (a) ₹720 (b) ₹1600 (c) ₹120 (d) ₹600
25. 25.In how many years will ₹8500 earn ₹2040 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
26. 26.The simple interest on ₹6000 for 3 years is ₹1980. What is the rate per year? (a) 33% (b) 12% (c) 10% (d) 11%
27. 27.The simple interest on ₹6000 for 5 years is ₹3600. What is the rate per year? (a) 60% (b) 11% (c) 12% (d) 13%
28. 28.What is the simple interest on ₹10000 at 9% per year for 3 years? (a) ₹900 (b) ₹12700 (c) ₹2700 (d) ₹3600
29. 29.In how many years will ₹3500 earn ₹1925 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
30. 30.In how many years will ₹3000 earn ₹1440 simple interest at 12% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
31. 31.In how many years will ₹6500 earn ₹2145 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
32. 32.The simple interest on ₹5000 for 4 years is ₹800. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
33. 33.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹7085 (b) ₹780 (c) ₹195 (d) ₹585
34. 34.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1770 (b) ₹270 (c) ₹1905 (d) ₹1635
35. 35.In how many years will ₹4500 earn ₹270 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
36. 36.In how many years will ₹4500 earn ₹900 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
37. 37.In how many years will ₹6000 earn ₹2880 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
38. 38.The simple interest on ₹10000 for 2 years is ₹600. What is the rate per year? (a) 4% (b) 6% (c) 3% (d) 2%
39. 39.In how many years will ₹1500 earn ₹420 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
40. 40.In how many years will ₹5500 earn ₹1815 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years

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