Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 657 · 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 ₹1000 at 9% per year for 4 years? (a) ₹1360 (b) ₹90 (c) ₹450 (d) ₹360
2. 2.What is the simple interest on ₹3000 at 10% per year for 2 years? (a) ₹3600 (b) ₹300 (c) ₹600 (d) ₹900
3. 3.₹3500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2100 (b) ₹5600 (c) ₹6020 (d) ₹3920
4. 4.The simple interest on ₹6500 for 4 years is ₹3120. What is the rate per year? (a) 11% (b) 48% (c) 13% (d) 12%
5. 5.What is the simple interest on ₹6500 at 9% per year for 3 years? (a) ₹585 (b) ₹2340 (c) ₹1755 (d) ₹8255
6. 6.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2725 (b) ₹2800 (c) ₹225 (d) ₹2575
7. 7.₹7500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8850 (b) ₹1125 (c) ₹8625 (d) ₹7725
8. 8.₹9500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10355 (b) ₹2565 (c) ₹12065 (d) ₹12920
9. 9.What is the simple interest on ₹8000 at 3% per year for 4 years? (a) ₹1200 (b) ₹960 (c) ₹240 (d) ₹8960
10. 10.In how many years will ₹1500 earn ₹450 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
11. 11.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 24%
12. 12.₹5000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹5600 (b) ₹6800 (c) ₹7400 (d) ₹1800
13. 13.₹4500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹5040 (b) ₹4635 (c) ₹405 (d) ₹4905
14. 14.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 1%
15. 15.In how many years will ₹2000 earn ₹400 simple interest at 4% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
16. 16.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹6250 (b) ₹1500 (c) ₹250 (d) ₹1250
17. 17.₹6000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹6360 (c) ₹7440 (d) ₹7080
18. 18.What is the simple interest on ₹7500 at 3% per year for 5 years? (a) ₹225 (b) ₹1125 (c) ₹8625 (d) ₹1350
19. 19.What is the simple interest on ₹6000 at 8% per year for 3 years? (a) ₹7440 (b) ₹1440 (c) ₹480 (d) ₹1920
20. 20.What is the simple interest on ₹3500 at 6% per year for 3 years? (a) ₹840 (b) ₹4130 (c) ₹210 (d) ₹630
21. 21.In how many years will ₹5000 earn ₹900 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
22. 22.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹675 (b) ₹5400 (c) ₹5175 (d) ₹4725
23. 23.In how many years will ₹2000 earn ₹720 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
24. 24.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹700 (b) ₹12800 (c) ₹3500 (d) ₹2800
25. 25.The simple interest on ₹5500 for 3 years is ₹1815. What is the rate per year? (a) 10% (b) 33% (c) 12% (d) 11%
26. 26.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹1770 (b) ₹405 (c) ₹270 (d) ₹135
27. 27.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹7150 (b) ₹2600 (c) ₹9750 (d) ₹9100
28. 28.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹240 (b) ₹360 (c) ₹2240 (d) ₹120
29. 29.₹8500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹12750 (b) ₹9350 (c) ₹13600 (d) ₹4250
30. 30.What is the simple interest on ₹4500 at 11% per year for 5 years? (a) ₹495 (b) ₹2970 (c) ₹6975 (d) ₹2475
31. 31.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹665 (b) ₹12160 (c) ₹3325 (d) ₹2660
32. 32.The simple interest on ₹8500 for 4 years is ₹1360. What is the rate per year? (a) 16% (b) 3% (c) 5% (d) 4%
33. 33.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 14% (b) 6% (c) 8% (d) 7%
34. 34.₹6500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹8450 (b) ₹8840 (c) ₹6890 (d) ₹1950
35. 35.₹10000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹14000 (b) ₹13200 (c) ₹10800 (d) ₹3200
36. 36.₹2000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹800 (b) ₹2160 (c) ₹2800 (d) ₹2960
37. 37.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 14%
38. 38.₹6500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹7150 (b) ₹8450 (c) ₹1300 (d) ₹7800
39. 39.In how many years will ₹8500 earn ₹1360 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
40. 40.The simple interest on ₹3000 for 4 years is ₹1080. What is the rate per year? (a) 8% (b) 10% (c) 36% (d) 9%

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