Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 709 · 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.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹2850 (b) ₹350 (c) ₹525 (d) ₹175
2. 2.The simple interest on ₹5500 for 5 years is ₹1925. What is the rate per year? (a) 8% (b) 6% (c) 35% (d) 7%
3. 3.₹9000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹12600 (b) ₹11700 (c) ₹2700 (d) ₹9900
4. 4.The simple interest on ₹7500 for 3 years is ₹675. What is the rate per year? (a) 2% (b) 4% (c) 9% (d) 3%
5. 5.What is the simple interest on ₹9500 at 12% per year for 2 years? (a) ₹3420 (b) ₹1140 (c) ₹11780 (d) ₹2280
6. 6.In how many years will ₹9500 earn ₹1425 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
7. 7.₹6000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹7800 (b) ₹1440 (c) ₹6360 (d) ₹7440
8. 8.₹6500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹975 (b) ₹6695 (c) ₹7475 (d) ₹7670
9. 9.The simple interest on ₹9000 for 4 years is ₹3600. What is the rate per year? (a) 11% (b) 9% (c) 40% (d) 10%
10. 10.In how many years will ₹4000 earn ₹1080 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
11. 11.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2220 (b) ₹440 (c) ₹2440 (d) ₹2660
12. 12.₹9000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹10080 (c) ₹15480 (d) ₹14400
13. 13.The simple interest on ₹3000 for 4 years is ₹720. What is the rate per year? (a) 5% (b) 7% (c) 24% (d) 6%
14. 14.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹9690 (b) ₹1190 (c) ₹1785 (d) ₹595
15. 15.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
16. 16.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1635 (b) ₹1905 (c) ₹1770 (d) ₹270
17. 17.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹250 (b) ₹1050 (c) ₹1250 (d) ₹1300
18. 18.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
19. 19.In how many years will ₹6000 earn ₹480 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
20. 20.What is the simple interest on ₹8500 at 4% per year for 4 years? (a) ₹1700 (b) ₹340 (c) ₹9860 (d) ₹1360
21. 21.What is the simple interest on ₹5500 at 12% per year for 3 years? (a) ₹7480 (b) ₹1980 (c) ₹2640 (d) ₹660
22. 22.₹4500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4725 (b) ₹450 (c) ₹5175 (d) ₹4950
23. 23.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹200 (b) ₹1000 (c) ₹1200 (d) ₹5000
24. 24.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3850 (b) ₹3920 (c) ₹3570 (d) ₹350
25. 25.₹9000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1620 (b) ₹10620 (c) ₹9540 (d) ₹11160
26. 26.In how many years will ₹3500 earn ₹420 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
27. 27.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
28. 28.In how many years will ₹4000 earn ₹1120 simple interest at 7% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
29. 29.In how many years will ₹5500 earn ₹1100 simple interest at 5% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
30. 30.In how many years will ₹8500 earn ₹1020 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
31. 31.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 1% (b) 6% (c) 2% (d) 3%
32. 32.The simple interest on ₹6000 for 4 years is ₹1440. What is the rate per year? (a) 24% (b) 6% (c) 5% (d) 7%
33. 33.In how many years will ₹9000 earn ₹1080 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
34. 34.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 10% (b) 3% (c) 1% (d) 2%
35. 35.What is the simple interest on ₹9000 at 4% per year for 2 years? (a) ₹1080 (b) ₹720 (c) ₹360 (d) ₹9720
36. 36.The simple interest on ₹7000 for 4 years is ₹1120. What is the rate per year? (a) 5% (b) 3% (c) 16% (d) 4%
37. 37.What is the simple interest on ₹5000 at 4% per year for 3 years? (a) ₹5600 (b) ₹800 (c) ₹200 (d) ₹600
38. 38.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹240 (b) ₹2240 (c) ₹360 (d) ₹120
39. 39.What is the simple interest on ₹7500 at 9% per year for 5 years? (a) ₹10875 (b) ₹675 (c) ₹3375 (d) ₹4050
40. 40.In how many years will ₹8000 earn ₹1600 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years

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