Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 676 · 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 ₹3500 at 9% per year for 3 years? (a) ₹315 (b) ₹4445 (c) ₹945 (d) ₹1260
2. 2.In how many years will ₹5500 earn ₹330 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
3. 3.What is the simple interest on ₹5000 at 12% per year for 5 years? (a) ₹8000 (b) ₹600 (c) ₹3000 (d) ₹3600
4. 4.₹9000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹10620 (b) ₹9540 (c) ₹11160 (d) ₹1620
5. 5.In how many years will ₹6500 earn ₹2340 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
6. 6.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
7. 7.₹5000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹500 (b) ₹5250 (c) ₹5750 (d) ₹5500
8. 8.What is the simple interest on ₹4500 at 12% per year for 2 years? (a) ₹1620 (b) ₹5580 (c) ₹1080 (d) ₹540
9. 9.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
10. 10.What is the simple interest on ₹3500 at 7% per year for 4 years? (a) ₹4480 (b) ₹1225 (c) ₹245 (d) ₹980
11. 11.₹2000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2960 (b) ₹2240 (c) ₹2720 (d) ₹720
12. 12.In how many years will ₹7500 earn ₹3000 simple interest at 10% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
13. 13.The simple interest on ₹3500 for 5 years is ₹1050. What is the rate per year? (a) 30% (b) 6% (c) 7% (d) 5%
14. 14.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 1% (b) 4% (c) 2% (d) 3%
15. 15.The simple interest on ₹10000 for 3 years is ₹3600. What is the rate per year? (a) 11% (b) 36% (c) 13% (d) 12%
16. 16.The simple interest on ₹6000 for 3 years is ₹720. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 5%
17. 17.In how many years will ₹5500 earn ₹660 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
18. 18.What is the simple interest on ₹4000 at 10% per year for 3 years? (a) ₹5200 (b) ₹1200 (c) ₹1600 (d) ₹400
19. 19.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 20% (c) 5% (d) 4%
20. 20.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
21. 21.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
22. 22.In how many years will ₹8000 earn ₹4800 simple interest at 12% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
23. 23.₹1000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1200 (b) ₹200 (c) ₹1100 (d) ₹1300
24. 24.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 12% (b) 10% (c) 22% (d) 11%
25. 25.The simple interest on ₹5000 for 3 years is ₹450. What is the rate per year? (a) 4% (b) 9% (c) 3% (d) 2%
26. 26.₹10000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹16000 (b) ₹15000 (c) ₹11000 (d) ₹5000
27. 27.In how many years will ₹5500 earn ₹1760 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
28. 28.What is the simple interest on ₹4500 at 7% per year for 4 years? (a) ₹5760 (b) ₹315 (c) ₹1260 (d) ₹1575
29. 29.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2875 (b) ₹2750 (c) ₹2625 (d) ₹250
30. 30.The simple interest on ₹6000 for 4 years is ₹1680. What is the rate per year? (a) 28% (b) 7% (c) 8% (d) 6%
31. 31.What is the simple interest on ₹6000 at 8% per year for 3 years? (a) ₹7440 (b) ₹1920 (c) ₹1440 (d) ₹480
32. 32.The simple interest on ₹1000 for 5 years is ₹200. What is the rate per year? (a) 3% (b) 4% (c) 20% (d) 5%
33. 33.The simple interest on ₹2000 for 4 years is ₹960. What is the rate per year? (a) 48% (b) 13% (c) 12% (d) 11%
34. 34.₹5000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5750 (b) ₹6000 (c) ₹750 (d) ₹5250
35. 35.In how many years will ₹5000 earn ₹750 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
36. 36.The simple interest on ₹10000 for 4 years is ₹800. What is the rate per year? (a) 8% (b) 1% (c) 2% (d) 3%
37. 37.The simple interest on ₹9500 for 3 years is ₹2280. What is the rate per year? (a) 24% (b) 8% (c) 9% (d) 7%
38. 38.₹2000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹2960 (c) ₹2160 (d) ₹800
39. 39.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹9600 (b) ₹10400 (c) ₹1600 (d) ₹8800
40. 40.What is the simple interest on ₹7000 at 9% per year for 4 years? (a) ₹9520 (b) ₹2520 (c) ₹630 (d) ₹3150

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad