Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 116 · 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 ₹8500 earn ₹510 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
2. 2.In how many years will ₹9500 earn ₹2565 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
3. 3.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 36% (b) 12% (c) 13% (d) 11%
4. 4.What is the simple interest on ₹10000 at 10% per year for 4 years? (a) ₹1000 (b) ₹5000 (c) ₹14000 (d) ₹4000
5. 5.In how many years will ₹9000 earn ₹360 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
6. 6.What is the simple interest on ₹9000 at 7% per year for 4 years? (a) ₹630 (b) ₹2520 (c) ₹11520 (d) ₹3150
7. 7.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹630 (b) ₹525 (c) ₹105 (d) ₹2025
8. 8.The simple interest on ₹5500 for 4 years is ₹880. What is the rate per year? (a) 3% (b) 5% (c) 16% (d) 4%
9. 9.₹5500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2200 (b) ₹8250 (c) ₹7700 (d) ₹6050
10. 10.What is the simple interest on ₹7000 at 8% per year for 4 years? (a) ₹9240 (b) ₹560 (c) ₹2800 (d) ₹2240
11. 11.The simple interest on ₹10000 for 5 years is ₹2000. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 3%
12. 12.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 8% (b) 4% (c) 5% (d) 3%
13. 13.₹1000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1350 (b) ₹1070 (c) ₹1280 (d) ₹280
14. 14.What is the simple interest on ₹3000 at 2% per year for 3 years? (a) ₹180 (b) ₹240 (c) ₹3180 (d) ₹60
15. 15.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
16. 16.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹14400 (b) ₹1080 (c) ₹5400 (d) ₹6480
17. 17.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
18. 18.The simple interest on ₹5500 for 3 years is ₹1155. What is the rate per year? (a) 21% (b) 6% (c) 8% (d) 7%
19. 19.The simple interest on ₹6000 for 2 years is ₹720. What is the rate per year? (a) 5% (b) 7% (c) 12% (d) 6%
20. 20.What is the simple interest on ₹2000 at 5% per year for 3 years? (a) ₹100 (b) ₹2300 (c) ₹400 (d) ₹300
21. 21.What is the simple interest on ₹6500 at 9% per year for 4 years? (a) ₹585 (b) ₹2340 (c) ₹8840 (d) ₹2925
22. 22.In how many years will ₹10000 earn ₹1000 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
23. 23.In how many years will ₹5000 earn ₹1350 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
24. 24.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹540 (b) ₹1620 (c) ₹7080 (d) ₹1080
25. 25.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
26. 26.The simple interest on ₹3500 for 2 years is ₹630. What is the rate per year? (a) 9% (b) 18% (c) 10% (d) 8%
27. 27.₹2500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3700 (b) ₹1200 (c) ₹2800 (d) ₹4000
28. 28.In how many years will ₹2500 earn ₹1100 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
29. 29.The simple interest on ₹3500 for 2 years is ₹560. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 16%
30. 30.The simple interest on ₹3500 for 2 years is ₹350. What is the rate per year? (a) 4% (b) 5% (c) 10% (d) 6%
31. 31.The simple interest on ₹6500 for 2 years is ₹910. What is the rate per year? (a) 7% (b) 6% (c) 14% (d) 8%
32. 32.₹1500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1725 (b) ₹225 (c) ₹1545 (d) ₹1770
33. 33.The simple interest on ₹4500 for 3 years is ₹1215. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 27%
34. 34.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹100 (b) ₹20 (c) ₹80 (d) ₹1080
35. 35.The simple interest on ₹1000 for 5 years is ₹450. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
36. 36.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹7150 (b) ₹325 (c) ₹650 (d) ₹975
37. 37.What is the simple interest on ₹5500 at 7% per year for 4 years? (a) ₹1925 (b) ₹385 (c) ₹1540 (d) ₹7040
38. 38.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 10%
39. 39.What is the simple interest on ₹9500 at 9% per year for 4 years? (a) ₹12920 (b) ₹3420 (c) ₹855 (d) ₹4275
40. 40.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3900 (b) ₹3300 (c) ₹600 (d) ₹3600

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