Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 587 · 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 ₹2000 for 3 years is ₹720. What is the rate per year? (a) 11% (b) 13% (c) 36% (d) 12%
2. 2.The simple interest on ₹7500 for 4 years is ₹2700. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 36%
3. 3.The simple interest on ₹6000 for 2 years is ₹480. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
4. 4.In how many years will ₹7000 earn ₹1680 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
5. 5.In how many years will ₹7500 earn ₹3300 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
6. 6.The simple interest on ₹6500 for 5 years is ₹3900. What is the rate per year? (a) 60% (b) 11% (c) 13% (d) 12%
7. 7.₹4500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1485 (b) ₹4995 (c) ₹5985 (d) ₹6480
8. 8.In how many years will ₹1500 earn ₹180 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
9. 9.₹9500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1520 (b) ₹11780 (c) ₹10260 (d) ₹11020
10. 10.In how many years will ₹7000 earn ₹1050 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
11. 11.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹9010 (b) ₹170 (c) ₹510 (d) ₹680
12. 12.₹4500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹6300 (b) ₹6750 (c) ₹1800 (d) ₹4950
13. 13.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹500 (b) ₹250 (c) ₹750 (d) ₹3000
14. 14.The simple interest on ₹3000 for 2 years is ₹600. What is the rate per year? (a) 9% (b) 20% (c) 10% (d) 11%
15. 15.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹10400 (b) ₹1600 (c) ₹9600 (d) ₹8800
16. 16.The simple interest on ₹9000 for 2 years is ₹540. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
17. 17.In how many years will ₹9500 earn ₹3800 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
18. 18.What is the simple interest on ₹5000 at 10% per year for 2 years? (a) ₹1500 (b) ₹1000 (c) ₹6000 (d) ₹500
19. 19.In how many years will ₹6000 earn ₹2160 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
20. 20.In how many years will ₹8500 earn ₹3060 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
21. 21.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹525 (b) ₹4025 (c) ₹700 (d) ₹175
22. 22.In how many years will ₹4500 earn ₹2160 simple interest at 12% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
23. 23.What is the simple interest on ₹1000 at 6% per year for 4 years? (a) ₹1240 (b) ₹60 (c) ₹300 (d) ₹240
24. 24.In how many years will ₹2500 earn ₹1500 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
25. 25.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1200 (b) ₹3300 (c) ₹4500 (d) ₹4200
26. 26.₹6000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹7620 (b) ₹7080 (c) ₹1080 (d) ₹6540
27. 27.In how many years will ₹2500 earn ₹750 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
28. 28.The simple interest on ₹6000 for 5 years is ₹600. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
29. 29.₹7000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9800 (b) ₹2100 (c) ₹7700 (d) ₹9100
30. 30.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
31. 31.What is the simple interest on ₹5000 at 3% per year for 3 years? (a) ₹5450 (b) ₹600 (c) ₹150 (d) ₹450
32. 32.The simple interest on ₹5500 for 3 years is ₹1320. What is the rate per year? (a) 7% (b) 24% (c) 9% (d) 8%
33. 33.₹5500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹6050 (b) ₹7700 (c) ₹7150 (d) ₹1650
34. 34.In how many years will ₹5000 earn ₹400 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
35. 35.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹750 (b) ₹150 (c) ₹600 (d) ₹3600
36. 36.The simple interest on ₹1000 for 4 years is ₹320. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 32%
37. 37.The simple interest on ₹5500 for 3 years is ₹825. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 15%
38. 38.The simple interest on ₹1000 for 3 years is ₹210. What is the rate per year? (a) 6% (b) 8% (c) 21% (d) 7%
39. 39.₹4500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹4590 (b) ₹270 (c) ₹4860 (d) ₹4770
40. 40.What is the simple interest on ₹6500 at 11% per year for 2 years? (a) ₹2145 (b) ₹715 (c) ₹1430 (d) ₹7930

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