Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 874 · 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 ₹3000 at 9% per year for 4 years? (a) ₹4080 (b) ₹1080 (c) ₹270 (d) ₹1350
2. 2.In how many years will ₹6000 earn ₹720 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
3. 3.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹100 (b) ₹2900 (c) ₹500 (d) ₹400
4. 4.The simple interest on ₹4000 for 5 years is ₹1400. What is the rate per year? (a) 8% (b) 35% (c) 6% (d) 7%
5. 5.What is the simple interest on ₹4000 at 10% per year for 5 years? (a) ₹2400 (b) ₹2000 (c) ₹400 (d) ₹6000
6. 6.The simple interest on ₹4000 for 4 years is ₹640. What is the rate per year? (a) 3% (b) 16% (c) 4% (d) 5%
7. 7.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
8. 8.The simple interest on ₹6500 for 2 years is ₹1170. What is the rate per year? (a) 8% (b) 9% (c) 18% (d) 10%
9. 9.₹2000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹2100 (b) ₹2400 (c) ₹400 (d) ₹2500
10. 10.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹4620 (b) ₹280 (c) ₹1400 (d) ₹1120
11. 11.In how many years will ₹7500 earn ₹3750 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
12. 12.The simple interest on ₹7000 for 4 years is ₹3080. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 44%
13. 13.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹165 (b) ₹495 (c) ₹330 (d) ₹5830
14. 14.₹6500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹8775 (b) ₹9230 (c) ₹6955 (d) ₹2275
15. 15.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3640 (b) ₹3710 (c) ₹3570 (d) ₹140
16. 16.The simple interest on ₹5000 for 5 years is ₹1750. What is the rate per year? (a) 7% (b) 8% (c) 35% (d) 6%
17. 17.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1620 (b) ₹1680 (c) ₹120 (d) ₹1560
18. 18.In how many years will ₹6500 earn ₹1040 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
19. 19.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹300 (b) ₹3300 (c) ₹60 (d) ₹360
20. 20.The simple interest on ₹6500 for 4 years is ₹1300. What is the rate per year? (a) 4% (b) 20% (c) 5% (d) 6%
21. 21.In how many years will ₹8000 earn ₹2880 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
22. 22.In how many years will ₹2000 earn ₹640 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
23. 23.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
24. 24.The simple interest on ₹9000 for 2 years is ₹1440. What is the rate per year? (a) 16% (b) 8% (c) 7% (d) 9%
25. 25.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹700 (b) ₹3200 (c) ₹175 (d) ₹875
26. 26.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 15% (b) 4% (c) 5% (d) 6%
27. 27.The simple interest on ₹1500 for 3 years is ₹360. What is the rate per year? (a) 7% (b) 24% (c) 9% (d) 8%
28. 28.What is the simple interest on ₹9500 at 4% per year for 3 years? (a) ₹380 (b) ₹10640 (c) ₹1140 (d) ₹1520
29. 29.₹8000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹10400 (b) ₹10000 (c) ₹2000 (d) ₹8400
30. 30.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 1%
31. 31.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1120 (b) ₹100 (c) ₹1100 (d) ₹1020
32. 32.What is the simple interest on ₹10000 at 7% per year for 5 years? (a) ₹13500 (b) ₹4200 (c) ₹700 (d) ₹3500
33. 33.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹880 (b) ₹6380 (c) ₹5720 (d) ₹6600
34. 34.The simple interest on ₹10000 for 4 years is ₹2400. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 24%
35. 35.What is the simple interest on ₹4000 at 12% per year for 4 years? (a) ₹1920 (b) ₹5920 (c) ₹2400 (d) ₹480
36. 36.What is the simple interest on ₹7500 at 3% per year for 2 years? (a) ₹450 (b) ₹225 (c) ₹7950 (d) ₹675
37. 37.₹3500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3570 (b) ₹210 (c) ₹3710 (d) ₹3780
38. 38.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹240 (b) ₹1200 (c) ₹6960 (d) ₹960
39. 39.₹6500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6890 (b) ₹6630 (c) ₹260 (d) ₹6760
40. 40.In how many years will ₹5500 earn ₹1155 simple interest at 7% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years

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