Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 703 · 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 ₹8000 at 6% per year for 4 years? (a) ₹1920 (b) ₹480 (c) ₹9920 (d) ₹2400
2. 2.The simple interest on ₹6500 for 2 years is ₹260. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 1%
3. 3.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 24% (b) 6% (c) 7% (d) 5%
4. 4.In how many years will ₹5500 earn ₹1650 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 4% per year for 4 years? (a) ₹1160 (b) ₹40 (c) ₹200 (d) ₹160
6. 6.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 2% (b) 1% (c) 8% (d) 3%
7. 7.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹120 (b) ₹180 (c) ₹60 (d) ₹1620
8. 8.In how many years will ₹2500 earn ₹450 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
9. 9.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹360 (b) ₹180 (c) ₹540 (d) ₹3360
10. 10.What is the simple interest on ₹9000 at 8% per year for 2 years? (a) ₹10440 (b) ₹720 (c) ₹2160 (d) ₹1440
11. 11.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹3920 (b) ₹140 (c) ₹420 (d) ₹560
12. 12.In how many years will ₹6000 earn ₹1680 simple interest at 7% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
13. 13.The simple interest on ₹7500 for 4 years is ₹1800. What is the rate per year? (a) 7% (b) 24% (c) 5% (d) 6%
14. 14.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9785 (b) ₹10355 (c) ₹10070 (d) ₹570
15. 15.In how many years will ₹9000 earn ₹1350 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
16. 16.₹7500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1050 (b) ₹8025 (c) ₹8550 (d) ₹9075
17. 17.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1070 (b) ₹1210 (c) ₹1140 (d) ₹140
18. 18.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6600 (b) ₹6380 (c) ₹5720 (d) ₹880
19. 19.In how many years will ₹3500 earn ₹1050 simple interest at 10% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
20. 20.In how many years will ₹1500 earn ₹315 simple interest at 7% 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 ₹100. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 1%
22. 22.What is the simple interest on ₹9500 at 7% per year for 2 years? (a) ₹10830 (b) ₹1995 (c) ₹1330 (d) ₹665
23. 23.What is the simple interest on ₹3500 at 2% per year for 4 years? (a) ₹350 (b) ₹3780 (c) ₹280 (d) ₹70
24. 24.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹10260 (b) ₹190 (c) ₹950 (d) ₹760
25. 25.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹450 (b) ₹1350 (c) ₹900 (d) ₹9900
26. 26.The simple interest on ₹9000 for 2 years is ₹1980. What is the rate per year? (a) 22% (b) 12% (c) 11% (d) 10%
27. 27.In how many years will ₹10000 earn ₹800 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
28. 28.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7080 (b) ₹720 (c) ₹6360 (d) ₹6720
29. 29.The simple interest on ₹10000 for 2 years is ₹1000. What is the rate per year? (a) 10% (b) 4% (c) 6% (d) 5%
30. 30.₹3500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹5180 (b) ₹4900 (c) ₹1400 (d) ₹3780
31. 31.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 8%
32. 32.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2240 (b) ₹160 (c) ₹2080 (d) ₹2160
33. 33.₹1000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1120 (b) ₹1090 (c) ₹1030 (d) ₹90
34. 34.₹5000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹500 (b) ₹5500 (c) ₹5250 (d) ₹5750
35. 35.What is the simple interest on ₹5500 at 3% per year for 5 years? (a) ₹6325 (b) ₹990 (c) ₹825 (d) ₹165
36. 36.In how many years will ₹10000 earn ₹1600 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
37. 37.What is the simple interest on ₹4500 at 8% per year for 4 years? (a) ₹360 (b) ₹1800 (c) ₹5940 (d) ₹1440
38. 38.In how many years will ₹2500 earn ₹1200 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
39. 39.In how many years will ₹8000 earn ₹1440 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
40. 40.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹1620 (b) ₹7080 (c) ₹540 (d) ₹1080

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