Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 177 · 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 ₹1000 at 4% per year for 5 years? (a) ₹1200 (b) ₹40 (c) ₹200 (d) ₹240
2. 2.What is the simple interest on ₹7500 at 11% per year for 4 years? (a) ₹3300 (b) ₹10800 (c) ₹825 (d) ₹4125
3. 3.The simple interest on ₹1500 for 2 years is ₹360. What is the rate per year? (a) 24% (b) 11% (c) 12% (d) 13%
4. 4.₹6500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6890 (b) ₹7670 (c) ₹8060 (d) ₹1170
5. 5.What is the simple interest on ₹6000 at 6% per year for 2 years? (a) ₹6720 (b) ₹720 (c) ₹1080 (d) ₹360
6. 6.In how many years will ₹9500 earn ₹2850 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
7. 7.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹9010 (b) ₹11050 (c) ₹10540 (d) ₹2040
8. 8.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹3060 (b) ₹10540 (c) ₹2040 (d) ₹1020
9. 9.The simple interest on ₹2500 for 4 years is ₹400. What is the rate per year? (a) 5% (b) 16% (c) 3% (d) 4%
10. 10.What is the simple interest on ₹2000 at 10% per year for 3 years? (a) ₹600 (b) ₹2600 (c) ₹800 (d) ₹200
11. 11.₹2500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹2950 (b) ₹450 (c) ₹2650 (d) ₹3100
12. 12.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹400 (c) ₹2700 (d) ₹2900
13. 13.The simple interest on ₹9000 for 3 years is ₹1080. What is the rate per year? (a) 12% (b) 3% (c) 5% (d) 4%
14. 14.In how many years will ₹4500 earn ₹810 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
15. 15.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 7% (b) 14% (c) 8% (d) 6%
16. 16.In how many years will ₹5000 earn ₹400 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
17. 17.The simple interest on ₹7000 for 4 years is ₹3080. What is the rate per year? (a) 44% (b) 11% (c) 12% (d) 10%
18. 18.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹200 (b) ₹50 (c) ₹2650 (d) ₹150
19. 19.In how many years will ₹7000 earn ₹1750 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
20. 20.What is the simple interest on ₹4500 at 4% per year for 4 years? (a) ₹180 (b) ₹900 (c) ₹5220 (d) ₹720
21. 21.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹500 (c) ₹1600 (d) ₹1500
22. 22.What is the simple interest on ₹8000 at 10% per year for 3 years? (a) ₹10400 (b) ₹3200 (c) ₹800 (d) ₹2400
23. 23.₹1000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹1050 (c) ₹1150 (d) ₹150
24. 24.In how many years will ₹1500 earn ₹150 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
25. 25.The simple interest on ₹9000 for 2 years is ₹1800. What is the rate per year? (a) 20% (b) 9% (c) 11% (d) 10%
26. 26.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 4% (b) 25% (c) 5% (d) 6%
27. 27.The simple interest on ₹1500 for 2 years is ₹210. What is the rate per year? (a) 14% (b) 6% (c) 7% (d) 8%
28. 28.In how many years will ₹7000 earn ₹420 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
29. 29.What is the simple interest on ₹1000 at 3% per year for 4 years? (a) ₹1120 (b) ₹150 (c) ₹30 (d) ₹120
30. 30.₹1000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1090 (b) ₹180 (c) ₹1180 (d) ₹1270
31. 31.The simple interest on ₹7500 for 4 years is ₹2100. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 28%
32. 32.What is the simple interest on ₹3000 at 10% per year for 3 years? (a) ₹300 (b) ₹3900 (c) ₹1200 (d) ₹900
33. 33.₹8500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10030 (b) ₹1020 (c) ₹9520 (d) ₹9010
34. 34.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹2600 (b) ₹50 (c) ₹150 (d) ₹100
35. 35.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 12% (b) 22% (c) 11% (d) 10%
36. 36.₹5000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹400 (b) ₹5200 (c) ₹5400 (d) ₹5600
37. 37.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
38. 38.₹7000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹8050 (c) ₹7350 (d) ₹1050
39. 39.What is the simple interest on ₹5000 at 4% per year for 4 years? (a) ₹1000 (b) ₹5800 (c) ₹800 (d) ₹200
40. 40.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹2800 (b) ₹300 (c) ₹400 (d) ₹100

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