Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 5 · 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 ₹3600 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
2. 2.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹100 (b) ₹2800 (c) ₹300 (d) ₹400
3. 3.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 8% (b) 4% (c) 5% (d) 3%
4. 4.The simple interest on ₹6000 for 4 years is ₹720. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 2%
5. 5.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹10400 (b) ₹1600 (c) ₹8800 (d) ₹9600
6. 6.What is the simple interest on ₹7500 at 4% per year for 2 years? (a) ₹8100 (b) ₹300 (c) ₹600 (d) ₹900
7. 7.In how many years will ₹1000 earn ₹180 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
8. 8.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹525 (b) ₹420 (c) ₹3920 (d) ₹105
9. 9.What is the simple interest on ₹8000 at 11% per year for 4 years? (a) ₹4400 (b) ₹880 (c) ₹3520 (d) ₹11520
10. 10.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹100 (b) ₹1080 (c) ₹80 (d) ₹20
11. 11.In how many years will ₹8000 earn ₹1200 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
12. 12.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10030 (b) ₹1275 (c) ₹8755 (d) ₹9775
13. 13.What is the simple interest on ₹8000 at 6% per year for 4 years? (a) ₹1920 (b) ₹480 (c) ₹9920 (d) ₹2400
14. 14.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 18% (b) 8% (c) 10% (d) 9%
15. 15.In how many years will ₹7000 earn ₹2450 simple interest at 7% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
16. 16.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹2340 (b) ₹780 (c) ₹8840 (d) ₹3120
17. 17.The simple interest on ₹5500 for 5 years is ₹3300. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 60%
18. 18.In how many years will ₹7000 earn ₹560 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
19. 19.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹2950 (b) ₹225 (c) ₹450 (d) ₹675
20. 20.₹8000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹9440 (b) ₹1200 (c) ₹9200 (d) ₹8240
21. 21.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5580 (b) ₹720 (c) ₹4860 (d) ₹5220
22. 22.₹1500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1560 (b) ₹1740 (c) ₹180 (d) ₹1680
23. 23.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹10625 (b) ₹2550 (c) ₹2125 (d) ₹425
24. 24.₹1500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1575 (b) ₹1725 (c) ₹1800 (d) ₹225
25. 25.In how many years will ₹3000 earn ₹360 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
26. 26.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹100 (b) ₹5200 (c) ₹300 (d) ₹200
27. 27.The simple interest on ₹3500 for 5 years is ₹2100. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 60%
28. 28.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
29. 29.₹5500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹7920 (b) ₹7315 (c) ₹6105 (d) ₹1815
30. 30.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹180 (b) ₹60 (c) ₹240 (d) ₹1680
31. 31.The simple interest on ₹5500 for 2 years is ₹770. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
32. 32.₹2000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2300 (b) ₹200 (c) ₹2100 (d) ₹2200
33. 33.In how many years will ₹1500 earn ₹270 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
34. 34.What is the simple interest on ₹6000 at 12% per year for 3 years? (a) ₹2880 (b) ₹2160 (c) ₹720 (d) ₹8160
35. 35.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹1350 (b) ₹675 (c) ₹2025 (d) ₹8850
36. 36.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹2200 (b) ₹200 (c) ₹300 (d) ₹100
37. 37.The simple interest on ₹9500 for 4 years is ₹760. What is the rate per year? (a) 3% (b) 1% (c) 8% (d) 2%
38. 38.In how many years will ₹6000 earn ₹480 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
39. 39.The simple interest on ₹1500 for 5 years is ₹750. What is the rate per year? (a) 50% (b) 9% (c) 10% (d) 11%
40. 40.₹1000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1450 (b) ₹360 (c) ₹1360 (d) ₹1090

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