Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 399 · 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 ₹4500 earn ₹540 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
2. 2.The simple interest on ₹9500 for 5 years is ₹5700. What is the rate per year? (a) 13% (b) 11% (c) 60% (d) 12%
3. 3.What is the simple interest on ₹10000 at 7% per year for 5 years? (a) ₹3500 (b) ₹700 (c) ₹13500 (d) ₹4200
4. 4.₹2500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2800 (b) ₹2950 (c) ₹2650 (d) ₹300
5. 5.₹6500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹9750 (b) ₹10400 (c) ₹3250 (d) ₹7150
6. 6.The simple interest on ₹1000 for 2 years is ₹220. What is the rate per year? (a) 12% (b) 22% (c) 11% (d) 10%
7. 7.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3300 (b) ₹3450 (c) ₹300 (d) ₹3150
8. 8.In how many years will ₹8000 earn ₹2880 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
9. 9.In how many years will ₹3000 earn ₹450 simple interest at 3% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
10. 10.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3850 (b) ₹3570 (c) ₹350 (d) ₹3920
11. 11.₹4000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹4560 (b) ₹4840 (c) ₹560 (d) ₹4280
12. 12.₹6500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹6955 (b) ₹1365 (c) ₹8320 (d) ₹7865
13. 13.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 36%
14. 14.What is the simple interest on ₹4000 at 10% per year for 4 years? (a) ₹400 (b) ₹2000 (c) ₹5600 (d) ₹1600
15. 15.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹420 (b) ₹1260 (c) ₹7840 (d) ₹840
16. 16.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹360 (b) ₹450 (c) ₹1360 (d) ₹90
17. 17.The simple interest on ₹4000 for 3 years is ₹600. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 15%
18. 18.What is the simple interest on ₹10000 at 5% per year for 4 years? (a) ₹2000 (b) ₹12000 (c) ₹2500 (d) ₹500
19. 19.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹300 (b) ₹6200 (c) ₹1500 (d) ₹1200
20. 20.In how many years will ₹4000 earn ₹960 simple interest at 8% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
21. 21.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
22. 22.₹6000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹7080 (b) ₹900 (c) ₹6180 (d) ₹6900
23. 23.The simple interest on ₹3000 for 4 years is ₹600. What is the rate per year? (a) 20% (b) 6% (c) 5% (d) 4%
24. 24.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹180 (b) ₹270 (c) ₹90 (d) ₹1680
25. 25.What is the simple interest on ₹1000 at 10% per year for 4 years? (a) ₹100 (b) ₹1400 (c) ₹400 (d) ₹500
26. 26.In how many years will ₹9000 earn ₹2160 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
27. 27.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 7% (b) 5% (c) 12% (d) 6%
28. 28.What is the simple interest on ₹3500 at 2% per year for 4 years? (a) ₹3780 (b) ₹280 (c) ₹70 (d) ₹350
29. 29.₹4000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2200 (b) ₹6640 (c) ₹6200 (d) ₹4440
30. 30.In how many years will ₹7000 earn ₹3150 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
31. 31.The simple interest on ₹3000 for 4 years is ₹1080. What is the rate per year? (a) 36% (b) 9% (c) 10% (d) 8%
32. 32.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
33. 33.The simple interest on ₹8000 for 4 years is ₹1600. What is the rate per year? (a) 6% (b) 4% (c) 20% (d) 5%
34. 34.The simple interest on ₹2500 for 3 years is ₹600. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 24%
35. 35.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹225 (b) ₹900 (c) ₹8175 (d) ₹675
36. 36.The simple interest on ₹8500 for 3 years is ₹510. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 6%
37. 37.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹1800 (b) ₹2160 (c) ₹360 (d) ₹10800
38. 38.The simple interest on ₹2500 for 2 years is ₹450. What is the rate per year? (a) 9% (b) 18% (c) 10% (d) 8%
39. 39.The simple interest on ₹5000 for 5 years is ₹1750. What is the rate per year? (a) 35% (b) 7% (c) 8% (d) 6%
40. 40.The simple interest on ₹4000 for 5 years is ₹1600. What is the rate per year? (a) 40% (b) 7% (c) 8% (d) 9%

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