Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 341 · 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.₹8000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8720 (b) ₹1440 (c) ₹10160 (d) ₹9440
2. 2.What is the simple interest on ₹7500 at 7% per year for 3 years? (a) ₹9075 (b) ₹525 (c) ₹2100 (d) ₹1575
3. 3.What is the simple interest on ₹5500 at 3% per year for 5 years? (a) ₹165 (b) ₹990 (c) ₹6325 (d) ₹825
4. 4.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹11400 (b) ₹2375 (c) ₹1900 (d) ₹475
5. 5.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹8300 (b) ₹5550 (c) ₹2750 (d) ₹7750
6. 6.The simple interest on ₹3000 for 5 years is ₹600. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 20%
7. 7.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 8% (b) 4% (c) 5% (d) 3%
8. 8.What is the simple interest on ₹9500 at 12% per year for 4 years? (a) ₹14060 (b) ₹1140 (c) ₹5700 (d) ₹4560
9. 9.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹2900 (b) ₹1080 (c) ₹180 (d) ₹900
10. 10.₹7000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7140 (b) ₹7420 (c) ₹280 (d) ₹7280
11. 11.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹240 (b) ₹2060 (c) ₹2300 (d) ₹2240
12. 12.In how many years will ₹6000 earn ₹1080 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
13. 13.In how many years will ₹5500 earn ₹2200 simple interest at 8% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
14. 14.The simple interest on ₹1000 for 2 years is ₹140. What is the rate per year? (a) 14% (b) 6% (c) 8% (d) 7%
15. 15.In how many years will ₹3000 earn ₹840 simple interest at 7% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
16. 16.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹10260 (b) ₹760 (c) ₹380 (d) ₹1140
17. 17.The simple interest on ₹3000 for 2 years is ₹480. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 16%
18. 18.In how many years will ₹7500 earn ₹2025 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
19. 19.In how many years will ₹1500 earn ₹720 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
20. 20.₹1000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1150 (b) ₹1050 (c) ₹100 (d) ₹1100
21. 21.In how many years will ₹6000 earn ₹900 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
22. 22.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
23. 23.In how many years will ₹7500 earn ₹1800 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
24. 24.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6900 (b) ₹6720 (c) ₹6180 (d) ₹720
25. 25.₹7000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8260 (b) ₹7630 (c) ₹1260 (d) ₹8890
26. 26.The simple interest on ₹1500 for 3 years is ₹225. What is the rate per year? (a) 15% (b) 4% (c) 5% (d) 6%
27. 27.In how many years will ₹1000 earn ₹240 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
28. 28.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹2240 (b) ₹560 (c) ₹1680 (d) ₹8680
29. 29.₹4500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4770 (b) ₹270 (c) ₹4635 (d) ₹4905
30. 30.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹300 (b) ₹1500 (c) ₹1800 (d) ₹4000
31. 31.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3570 (b) ₹3850 (c) ₹350 (d) ₹3920
32. 32.The simple interest on ₹8000 for 4 years is ₹2560. What is the rate per year? (a) 9% (b) 32% (c) 8% (d) 7%
33. 33.The simple interest on ₹5000 for 2 years is ₹1100. What is the rate per year? (a) 22% (b) 11% (c) 10% (d) 12%
34. 34.What is the simple interest on ₹1000 at 3% per year for 5 years? (a) ₹30 (b) ₹180 (c) ₹1150 (d) ₹150
35. 35.The simple interest on ₹4500 for 2 years is ₹180. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 1%
36. 36.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹2100 (b) ₹420 (c) ₹2520 (d) ₹9100
37. 37.The simple interest on ₹9500 for 4 years is ₹3800. What is the rate per year? (a) 10% (b) 9% (c) 40% (d) 11%
38. 38.In how many years will ₹1500 earn ₹120 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
39. 39.What is the simple interest on ₹1500 at 10% per year for 3 years? (a) ₹150 (b) ₹450 (c) ₹1950 (d) ₹600
40. 40.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹1260 (b) ₹4050 (c) ₹1050 (d) ₹210

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