Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 847 · 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 ₹3000 at 8% per year for 3 years? (a) ₹3720 (b) ₹720 (c) ₹240 (d) ₹960
2. 2.The simple interest on ₹9000 for 4 years is ₹1800. What is the rate per year? (a) 20% (b) 4% (c) 6% (d) 5%
3. 3.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹10450 (b) ₹190 (c) ₹950 (d) ₹1140
4. 4.The simple interest on ₹4000 for 5 years is ₹2000. What is the rate per year? (a) 11% (b) 50% (c) 9% (d) 10%
5. 5.The simple interest on ₹6000 for 3 years is ₹540. What is the rate per year? (a) 9% (b) 3% (c) 2% (d) 4%
6. 6.What is the simple interest on ₹4500 at 3% per year for 4 years? (a) ₹5040 (b) ₹135 (c) ₹540 (d) ₹675
7. 7.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹1080 (b) ₹14400 (c) ₹5400 (d) ₹6480
8. 8.The simple interest on ₹7500 for 5 years is ₹4125. What is the rate per year? (a) 11% (b) 55% (c) 12% (d) 10%
9. 9.The simple interest on ₹10000 for 4 years is ₹1600. What is the rate per year? (a) 16% (b) 4% (c) 3% (d) 5%
10. 10.What is the simple interest on ₹1000 at 9% per year for 3 years? (a) ₹270 (b) ₹90 (c) ₹360 (d) ₹1270
11. 11.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 4%
12. 12.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
13. 13.The simple interest on ₹9500 for 3 years is ₹1995. What is the rate per year? (a) 8% (b) 7% (c) 21% (d) 6%
14. 14.₹10000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10900 (b) ₹13600 (c) ₹2700 (d) ₹12700
15. 15.The simple interest on ₹1500 for 5 years is ₹225. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 15%
16. 16.In how many years will ₹4500 earn ₹1620 simple interest at 12% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
17. 17.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
18. 18.₹9000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹10350 (b) ₹9450 (c) ₹10800 (d) ₹1350
19. 19.In how many years will ₹9000 earn ₹720 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
20. 20.₹9500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹11495 (b) ₹10165 (c) ₹12160 (d) ₹1995
21. 21.₹2500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹3100 (b) ₹3300 (c) ₹2700 (d) ₹600
22. 22.The simple interest on ₹5500 for 4 years is ₹660. What is the rate per year? (a) 2% (b) 12% (c) 4% (d) 3%
23. 23.The simple interest on ₹7500 for 2 years is ₹1050. What is the rate per year? (a) 14% (b) 7% (c) 6% (d) 8%
24. 24.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 8% (c) 5% (d) 3%
25. 25.In how many years will ₹3500 earn ₹1540 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
26. 26.What is the simple interest on ₹5000 at 3% per year for 3 years? (a) ₹600 (b) ₹150 (c) ₹450 (d) ₹5450
27. 27.₹5000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1750 (b) ₹7100 (c) ₹5350 (d) ₹6750
28. 28.What is the simple interest on ₹6000 at 4% per year for 3 years? (a) ₹6720 (b) ₹960 (c) ₹720 (d) ₹240
29. 29.₹9500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹12920 (b) ₹12350 (c) ₹10070 (d) ₹2850
30. 30.What is the simple interest on ₹1000 at 7% per year for 4 years? (a) ₹350 (b) ₹1280 (c) ₹70 (d) ₹280
31. 31.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹5000 (b) ₹1200 (c) ₹1000 (d) ₹200
32. 32.₹6500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹7215 (b) ₹2145 (c) ₹9360 (d) ₹8645
33. 33.In how many years will ₹8000 earn ₹960 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
34. 34.₹7000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹840 (b) ₹7420 (c) ₹8260 (d) ₹7840
35. 35.In how many years will ₹1500 earn ₹315 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
36. 36.In how many years will ₹5000 earn ₹600 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
37. 37.₹4500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹4725 (b) ₹900 (c) ₹5400 (d) ₹5625
38. 38.In how many years will ₹2000 earn ₹420 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
39. 39.₹10000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹2000 (b) ₹12000 (c) ₹10400 (d) ₹12400
40. 40.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 8%

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