Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 786 · 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 ₹3000 earn ₹360 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
2. 2.What is the simple interest on ₹4000 at 12% per year for 5 years? (a) ₹2880 (b) ₹6400 (c) ₹480 (d) ₹2400
3. 3.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹7480 (b) ₹1485 (c) ₹5995 (d) ₹6985
4. 4.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
5. 5.What is the simple interest on ₹8000 at 6% per year for 3 years? (a) ₹1920 (b) ₹1440 (c) ₹9440 (d) ₹480
6. 6.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹10640 (b) ₹9880 (c) ₹760 (d) ₹10260
7. 7.The simple interest on ₹4500 for 4 years is ₹1440. What is the rate per year? (a) 9% (b) 32% (c) 8% (d) 7%
8. 8.In how many years will ₹2000 earn ₹540 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
9. 9.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 12% (b) 11% (c) 55% (d) 10%
10. 10.The simple interest on ₹3500 for 3 years is ₹735. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 21%
11. 11.The simple interest on ₹2500 for 4 years is ₹800. What is the rate per year? (a) 8% (b) 9% (c) 32% (d) 7%
12. 12.₹1000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹240 (b) ₹1080 (c) ₹1320 (d) ₹1240
13. 13.What is the simple interest on ₹6500 at 11% per year for 3 years? (a) ₹8645 (b) ₹715 (c) ₹2145 (d) ₹2860
14. 14.The simple interest on ₹8000 for 4 years is ₹2880. What is the rate per year? (a) 8% (b) 10% (c) 36% (d) 9%
15. 15.In how many years will ₹3500 earn ₹1225 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
16. 16.The simple interest on ₹5500 for 3 years is ₹1155. What is the rate per year? (a) 21% (b) 6% (c) 7% (d) 8%
17. 17.₹8500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹11050 (b) ₹9350 (c) ₹1700 (d) ₹10200
18. 18.The simple interest on ₹8500 for 4 years is ₹2040. What is the rate per year? (a) 7% (b) 6% (c) 24% (d) 5%
19. 19.The simple interest on ₹9500 for 2 years is ₹1900. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 20%
20. 20.The simple interest on ₹8000 for 4 years is ₹960. What is the rate per year? (a) 4% (b) 12% (c) 2% (d) 3%
21. 21.What is the simple interest on ₹4500 at 12% per year for 4 years? (a) ₹2700 (b) ₹540 (c) ₹6660 (d) ₹2160
22. 22.What is the simple interest on ₹1500 at 4% per year for 4 years? (a) ₹240 (b) ₹1740 (c) ₹60 (d) ₹300
23. 23.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹9775 (b) ₹9520 (c) ₹8755 (d) ₹1020
24. 24.In how many years will ₹5500 earn ₹1100 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
25. 25.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹360 (b) ₹120 (c) ₹2240 (d) ₹240
26. 26.₹3000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹3840 (b) ₹3210 (c) ₹840 (d) ₹4050
27. 27.The simple interest on ₹4500 for 3 years is ₹1080. What is the rate per year? (a) 24% (b) 8% (c) 9% (d) 7%
28. 28.₹5000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹7250 (b) ₹6800 (c) ₹1800 (d) ₹5450
29. 29.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹9000 (c) ₹9300 (d) ₹7800
30. 30.₹1000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1060 (b) ₹1020 (c) ₹1080 (d) ₹60
31. 31.What is the simple interest on ₹2500 at 6% per year for 5 years? (a) ₹900 (b) ₹3250 (c) ₹150 (d) ₹750
32. 32.In how many years will ₹8000 earn ₹960 simple interest at 6% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
33. 33.What is the simple interest on ₹1000 at 11% per year for 4 years? (a) ₹110 (b) ₹1440 (c) ₹440 (d) ₹550
34. 34.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8850 (b) ₹9525 (c) ₹1350 (d) ₹8175
35. 35.The simple interest on ₹5500 for 3 years is ₹1815. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 33%
36. 36.The simple interest on ₹4000 for 4 years is ₹1600. What is the rate per year? (a) 40% (b) 10% (c) 9% (d) 11%
37. 37.₹4500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹6525 (b) ₹2025 (c) ₹4905 (d) ₹6930
38. 38.₹9500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹14630 (b) ₹10355 (c) ₹4275 (d) ₹13775
39. 39.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹300 (b) ₹100 (c) ₹2800 (d) ₹400
40. 40.₹9000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹14400 (b) ₹4500 (c) ₹9900 (d) ₹13500

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