Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 879 · 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.In how many years will ₹10000 earn ₹3000 simple interest at 6% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
2. 2.What is the simple interest on ₹4000 at 12% per year for 3 years? (a) ₹480 (b) ₹1920 (c) ₹5440 (d) ₹1440
3. 3.The simple interest on ₹5500 for 3 years is ₹1320. What is the rate per year? (a) 9% (b) 24% (c) 8% (d) 7%
4. 4.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹375 (b) ₹1800 (c) ₹75 (d) ₹300
5. 5.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
6. 6.The simple interest on ₹9500 for 3 years is ₹1995. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 21%
7. 7.In how many years will ₹8500 earn ₹680 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
8. 8.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 3% (b) 1% (c) 6% (d) 2%
9. 9.₹5500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹6105 (b) ₹7315 (c) ₹6710 (d) ₹1210
10. 10.The simple interest on ₹2500 for 3 years is ₹675. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 27%
11. 11.The simple interest on ₹7000 for 4 years is ₹840. What is the rate per year? (a) 12% (b) 2% (c) 4% (d) 3%
12. 12.In how many years will ₹5000 earn ₹300 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
13. 13.₹7000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹8470 (b) ₹7490 (c) ₹7980 (d) ₹980
14. 14.What is the simple interest on ₹8000 at 5% per year for 3 years? (a) ₹9200 (b) ₹1600 (c) ₹1200 (d) ₹400
15. 15.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹900 (b) ₹3625 (c) ₹3400 (d) ₹2725
16. 16.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 11% (b) 10% (c) 40% (d) 9%
17. 17.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹4860 (b) ₹720 (c) ₹5580 (d) ₹5220
18. 18.₹4500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹4725 (b) ₹5400 (c) ₹5625 (d) ₹900
19. 19.What is the simple interest on ₹3000 at 9% per year for 3 years? (a) ₹1080 (b) ₹810 (c) ₹270 (d) ₹3810
20. 20.What is the simple interest on ₹6500 at 11% per year for 2 years? (a) ₹1430 (b) ₹715 (c) ₹7930 (d) ₹2145
21. 21.The simple interest on ₹3500 for 5 years is ₹1400. What is the rate per year? (a) 9% (b) 40% (c) 7% (d) 8%
22. 22.In how many years will ₹2000 earn ₹640 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
23. 23.In how many years will ₹1000 earn ₹350 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
24. 24.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 6% (b) 3% (c) 4% (d) 2%
25. 25.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹325 (b) ₹1625 (c) ₹1300 (d) ₹7800
26. 26.In how many years will ₹1000 earn ₹120 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
27. 27.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹840 (b) ₹4340 (c) ₹1260 (d) ₹420
28. 28.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹4800 (b) ₹1200 (c) ₹400 (d) ₹800
29. 29.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹150 (b) ₹100 (c) ₹50 (d) ₹1100
30. 30.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹90 (b) ₹1180 (c) ₹180 (d) ₹270
31. 31.In how many years will ₹8500 earn ₹2040 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
32. 32.What is the simple interest on ₹7500 at 7% per year for 5 years? (a) ₹525 (b) ₹10125 (c) ₹3150 (d) ₹2625
33. 33.The simple interest on ₹9500 for 2 years is ₹1900. What is the rate per year? (a) 9% (b) 20% (c) 11% (d) 10%
34. 34.₹5500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹660 (b) ₹5830 (c) ₹6490 (d) ₹6160
35. 35.The simple interest on ₹2500 for 4 years is ₹600. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 24%
36. 36.The simple interest on ₹4500 for 4 years is ₹720. What is the rate per year? (a) 16% (b) 3% (c) 5% (d) 4%
37. 37.In how many years will ₹10000 earn ₹4400 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
38. 38.What is the simple interest on ₹3500 at 10% per year for 4 years? (a) ₹1400 (b) ₹350 (c) ₹1750 (d) ₹4900
39. 39.The simple interest on ₹8500 for 2 years is ₹1190. What is the rate per year? (a) 14% (b) 7% (c) 8% (d) 6%
40. 40.₹10000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹12700 (b) ₹2700 (c) ₹13600 (d) ₹10900

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