Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 901 · 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.The simple interest on ₹3000 for 3 years is ₹180. What is the rate per year? (a) 1% (b) 3% (c) 6% (d) 2%
2. 2.What is the simple interest on ₹9500 at 9% per year for 5 years? (a) ₹4275 (b) ₹855 (c) ₹13775 (d) ₹5130
3. 3.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 7% (b) 12% (c) 6% (d) 5%
4. 4.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3570 (b) ₹3640 (c) ₹140 (d) ₹3710
5. 5.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
6. 6.What is the simple interest on ₹3500 at 4% per year for 5 years? (a) ₹140 (b) ₹840 (c) ₹700 (d) ₹4200
7. 7.In how many years will ₹9500 earn ₹570 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
8. 8.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹9010 (b) ₹11050 (c) ₹2040 (d) ₹10540
9. 9.₹1500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2025 (b) ₹1605 (c) ₹420 (d) ₹1920
10. 10.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 35% (b) 8% (c) 6% (d) 7%
11. 11.What is the simple interest on ₹3000 at 7% per year for 3 years? (a) ₹840 (b) ₹210 (c) ₹630 (d) ₹3630
12. 12.₹3000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹3480 (c) ₹480 (d) ₹3120
13. 13.The simple interest on ₹1000 for 2 years is ₹200. What is the rate per year? (a) 11% (b) 10% (c) 20% (d) 9%
14. 14.₹5500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹6160 (b) ₹5665 (c) ₹495 (d) ₹5995
15. 15.What is the simple interest on ₹9000 at 8% per year for 3 years? (a) ₹2880 (b) ₹720 (c) ₹2160 (d) ₹11160
16. 16.In how many years will ₹1500 earn ₹405 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
17. 17.In how many years will ₹5500 earn ₹880 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
18. 18.The simple interest on ₹2500 for 3 years is ₹225. What is the rate per year? (a) 4% (b) 2% (c) 9% (d) 3%
19. 19.What is the simple interest on ₹8500 at 12% per year for 4 years? (a) ₹12580 (b) ₹5100 (c) ₹4080 (d) ₹1020
20. 20.The simple interest on ₹2000 for 2 years is ₹360. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
21. 21.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹900 (b) ₹450 (c) ₹1350 (d) ₹5400
22. 22.₹7500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹9300 (b) ₹7950 (c) ₹9750 (d) ₹1800
23. 23.In how many years will ₹9500 earn ₹3800 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
24. 24.In how many years will ₹8000 earn ₹800 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
25. 25.The simple interest on ₹3500 for 2 years is ₹630. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 18%
26. 26.In how many years will ₹4500 earn ₹1260 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
27. 27.In how many years will ₹2500 earn ₹1250 simple interest at 10% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
28. 28.The simple interest on ₹9000 for 4 years is ₹2880. What is the rate per year? (a) 8% (b) 9% (c) 32% (d) 7%
29. 29.What is the simple interest on ₹7500 at 9% per year for 3 years? (a) ₹2700 (b) ₹9525 (c) ₹675 (d) ₹2025
30. 30.What is the simple interest on ₹10000 at 7% per year for 3 years? (a) ₹2100 (b) ₹12100 (c) ₹2800 (d) ₹700
31. 31.₹7500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹10500 (b) ₹2250 (c) ₹9750 (d) ₹8250
32. 32.What is the simple interest on ₹3500 at 10% per year for 4 years? (a) ₹350 (b) ₹1400 (c) ₹1750 (d) ₹4900
33. 33.In how many years will ₹8500 earn ₹1530 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
34. 34.₹3000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹3330 (b) ₹4980 (c) ₹4650 (d) ₹1650
35. 35.In how many years will ₹9500 earn ₹1900 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
36. 36.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹1080 (b) ₹1440 (c) ₹4080 (d) ₹360
37. 37.In how many years will ₹2500 earn ₹450 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
38. 38.The simple interest on ₹9000 for 5 years is ₹1800. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 20%
39. 39.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 4%
40. 40.In how many years will ₹1500 earn ₹900 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years

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