Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 553 · 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 ₹6500 at 11% per year for 3 years? (a) ₹8645 (b) ₹715 (c) ₹2860 (d) ₹2145
2. 2.In how many years will ₹10000 earn ₹1600 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
3. 3.What is the simple interest on ₹9500 at 7% per year for 2 years? (a) ₹10830 (b) ₹665 (c) ₹1995 (d) ₹1330
4. 4.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹600 (b) ₹3480 (c) ₹120 (d) ₹480
5. 5.The simple interest on ₹7000 for 3 years is ₹2520. What is the rate per year? (a) 36% (b) 13% (c) 12% (d) 11%
6. 6.In how many years will ₹9000 earn ₹2700 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
7. 7.The simple interest on ₹6000 for 5 years is ₹900. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 15%
8. 8.In how many years will ₹2000 earn ₹800 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
9. 9.₹6000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹6600 (b) ₹3000 (c) ₹9600 (d) ₹9000
10. 10.₹5000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5250 (b) ₹6000 (c) ₹5750 (d) ₹750
11. 11.What is the simple interest on ₹3500 at 7% per year for 3 years? (a) ₹980 (b) ₹245 (c) ₹4235 (d) ₹735
12. 12.₹9000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1440 (b) ₹9720 (c) ₹11160 (d) ₹10440
13. 13.In how many years will ₹7500 earn ₹1050 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
14. 14.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹1950 (b) ₹7800 (c) ₹650 (d) ₹1300
15. 15.₹9000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹10080 (b) ₹9360 (c) ₹720 (d) ₹9720
16. 16.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹960 (b) ₹1280 (c) ₹8960 (d) ₹320
17. 17.₹9500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹10260 (b) ₹9690 (c) ₹760 (d) ₹10450
18. 18.The simple interest on ₹1500 for 5 years is ₹675. What is the rate per year? (a) 45% (b) 9% (c) 8% (d) 10%
19. 19.In how many years will ₹9000 earn ₹1620 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
20. 20.In how many years will ₹9000 earn ₹2970 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
21. 21.The simple interest on ₹7000 for 4 years is ₹1120. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 16%
22. 22.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹350 (b) ₹8750 (c) ₹1750 (d) ₹2100
23. 23.The simple interest on ₹9000 for 2 years is ₹720. What is the rate per year? (a) 8% (b) 4% (c) 3% (d) 5%
24. 24.₹9000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹9270 (b) ₹10080 (c) ₹810 (d) ₹9810
25. 25.In how many years will ₹7500 earn ₹1125 simple interest at 5% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
26. 26.In how many years will ₹1000 earn ₹400 simple interest at 10% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
27. 27.In how many years will ₹7500 earn ₹900 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
28. 28.₹6000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹540 (b) ₹6720 (c) ₹6540 (d) ₹6180
29. 29.The simple interest on ₹7500 for 2 years is ₹750. What is the rate per year? (a) 6% (b) 10% (c) 4% (d) 5%
30. 30.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹105 (b) ₹630 (c) ₹2025 (d) ₹525
31. 31.₹6500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹7800 (b) ₹7540 (c) ₹1040 (d) ₹6760
32. 32.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 25% (b) 6% (c) 4% (d) 5%
33. 33.The simple interest on ₹8000 for 3 years is ₹2400. What is the rate per year? (a) 30% (b) 11% (c) 10% (d) 9%
34. 34.In how many years will ₹10000 earn ₹1500 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
35. 35.In how many years will ₹5500 earn ₹550 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
36. 36.What is the simple interest on ₹5500 at 8% per year for 5 years? (a) ₹7700 (b) ₹2200 (c) ₹440 (d) ₹2640
37. 37.₹3500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3640 (b) ₹3920 (c) ₹3780 (d) ₹280
38. 38.The simple interest on ₹4500 for 2 years is ₹720. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 16%
39. 39.In how many years will ₹6500 earn ₹2145 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
40. 40.The simple interest on ₹9000 for 5 years is ₹3150. What is the rate per year? (a) 6% (b) 8% (c) 35% (d) 7%

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