Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 740 · 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 ₹3000 for 2 years is ₹420. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 14%
2. 2.The simple interest on ₹1000 for 2 years is ₹120. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 12%
3. 3.The simple interest on ₹7500 for 2 years is ₹750. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
4. 4.In how many years will ₹5500 earn ₹770 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
5. 5.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
6. 6.What is the simple interest on ₹6000 at 3% per year for 3 years? (a) ₹6540 (b) ₹540 (c) ₹180 (d) ₹720
7. 7.The simple interest on ₹4000 for 4 years is ₹1920. What is the rate per year? (a) 11% (b) 48% (c) 13% (d) 12%
8. 8.₹5500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹9130 (b) ₹8525 (c) ₹6105 (d) ₹3025
9. 9.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5175 (b) ₹5400 (c) ₹675 (d) ₹4725
10. 10.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 6% (b) 2% (c) 1% (d) 3%
11. 11.The simple interest on ₹3500 for 4 years is ₹700. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 20%
12. 12.In how many years will ₹5000 earn ₹1000 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
13. 13.What is the simple interest on ₹4500 at 4% per year for 2 years? (a) ₹540 (b) ₹180 (c) ₹4860 (d) ₹360
14. 14.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
15. 15.The simple interest on ₹6000 for 2 years is ₹1080. What is the rate per year? (a) 8% (b) 18% (c) 10% (d) 9%
16. 16.The simple interest on ₹6000 for 2 years is ₹1200. What is the rate per year? (a) 10% (b) 11% (c) 20% (d) 9%
17. 17.What is the simple interest on ₹3500 at 9% per year for 5 years? (a) ₹5075 (b) ₹1575 (c) ₹1890 (d) ₹315
18. 18.The simple interest on ₹9000 for 5 years is ₹5400. What is the rate per year? (a) 60% (b) 13% (c) 11% (d) 12%
19. 19.The simple interest on ₹1000 for 3 years is ₹210. What is the rate per year? (a) 21% (b) 8% (c) 6% (d) 7%
20. 20.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹90 (b) ₹30 (c) ₹1060 (d) ₹60
21. 21.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹1750 (b) ₹2100 (c) ₹8750 (d) ₹350
22. 22.What is the simple interest on ₹5500 at 5% per year for 5 years? (a) ₹6875 (b) ₹1375 (c) ₹275 (d) ₹1650
23. 23.What is the simple interest on ₹9500 at 3% per year for 2 years? (a) ₹10070 (b) ₹570 (c) ₹855 (d) ₹285
24. 24.₹3500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹210 (b) ₹3570 (c) ₹3710 (d) ₹3780
25. 25.₹4500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹5220 (b) ₹4680 (c) ₹5400 (d) ₹720
26. 26.What is the simple interest on ₹2000 at 10% per year for 2 years? (a) ₹400 (b) ₹2400 (c) ₹200 (d) ₹600
27. 27.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 6% (b) 1% (c) 2% (d) 3%
28. 28.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
29. 29.In how many years will ₹6500 earn ₹910 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
30. 30.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹1200 (b) ₹800 (c) ₹400 (d) ₹10800
31. 31.In how many years will ₹5000 earn ₹1050 simple interest at 7% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
32. 32.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹825 (b) ₹275 (c) ₹3325 (d) ₹1100
33. 33.In how many years will ₹1500 earn ₹540 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
34. 34.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 33%
35. 35.The simple interest on ₹4500 for 2 years is ₹450. What is the rate per year? (a) 10% (b) 5% (c) 4% (d) 6%
36. 36.₹3500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3920 (b) ₹3710 (c) ₹420 (d) ₹4130
37. 37.What is the simple interest on ₹4500 at 8% per year for 3 years? (a) ₹5580 (b) ₹360 (c) ₹1080 (d) ₹1440
38. 38.₹2500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹750 (b) ₹3500 (c) ₹2750 (d) ₹3250
39. 39.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3720 (b) ₹3480 (c) ₹480 (d) ₹3240
40. 40.₹7500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9750 (b) ₹2250 (c) ₹8250 (d) ₹10500

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