Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 725 · 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 ₹4500 at 8% per year for 3 years? (a) ₹1440 (b) ₹1080 (c) ₹5580 (d) ₹360
2. 2.The simple interest on ₹2000 for 5 years is ₹800. What is the rate per year? (a) 7% (b) 8% (c) 40% (d) 9%
3. 3.What is the simple interest on ₹1500 at 10% per year for 2 years? (a) ₹300 (b) ₹1800 (c) ₹450 (d) ₹150
4. 4.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
5. 5.What is the simple interest on ₹3000 at 3% per year for 5 years? (a) ₹90 (b) ₹540 (c) ₹450 (d) ₹3450
6. 6.What is the simple interest on ₹6000 at 5% per year for 2 years? (a) ₹300 (b) ₹6600 (c) ₹900 (d) ₹600
7. 7.₹9000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2160 (b) ₹9720 (c) ₹11160 (d) ₹11880
8. 8.₹8000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹12400 (b) ₹4400 (c) ₹8880 (d) ₹13280
9. 9.The simple interest on ₹6500 for 4 years is ₹780. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 12%
10. 10.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
11. 11.In how many years will ₹3500 earn ₹350 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
12. 12.In how many years will ₹7000 earn ₹2240 simple interest at 8% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
13. 13.In how many years will ₹10000 earn ₹1200 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
14. 14.In how many years will ₹5500 earn ₹1485 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
15. 15.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹6250 (b) ₹1250 (c) ₹1500 (d) ₹250
16. 16.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹5175 (b) ₹810 (c) ₹135 (d) ₹675
17. 17.In how many years will ₹4500 earn ₹180 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
18. 18.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹150 (b) ₹2650 (c) ₹2725 (d) ₹2575
19. 19.The simple interest on ₹4000 for 5 years is ₹800. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
20. 20.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2340 (b) ₹7085 (c) ₹9425 (d) ₹8840
21. 21.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹100 (b) ₹1120 (c) ₹1100 (d) ₹1020
22. 22.What is the simple interest on ₹6000 at 2% per year for 4 years? (a) ₹120 (b) ₹6480 (c) ₹600 (d) ₹480
23. 23.₹3500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1575 (b) ₹3815 (c) ₹5390 (d) ₹5075
24. 24.In how many years will ₹6500 earn ₹2860 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
25. 25.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹50 (b) ₹2600 (c) ₹150 (d) ₹100
26. 26.₹9000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9720 (b) ₹9540 (c) ₹9180 (d) ₹540
27. 27.In how many years will ₹7500 earn ₹2700 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
28. 28.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
29. 29.What is the simple interest on ₹4500 at 9% per year for 2 years? (a) ₹405 (b) ₹1215 (c) ₹810 (d) ₹5310
30. 30.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9180 (b) ₹8840 (c) ₹9520 (d) ₹680
31. 31.₹7500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹11100 (b) ₹8400 (c) ₹3600 (d) ₹12000
32. 32.In how many years will ₹4500 earn ₹1260 simple interest at 7% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
33. 33.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 11% (b) 30% (c) 10% (d) 9%
34. 34.₹9500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹14725 (b) ₹10545 (c) ₹4180 (d) ₹13680
35. 35.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹200 (b) ₹50 (c) ₹150 (d) ₹1150
36. 36.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹180 (b) ₹1620 (c) ₹60 (d) ₹120
37. 37.The simple interest on ₹7000 for 5 years is ₹1750. What is the rate per year? (a) 6% (b) 25% (c) 4% (d) 5%
38. 38.The simple interest on ₹6500 for 4 years is ₹2340. What is the rate per year? (a) 9% (b) 36% (c) 8% (d) 10%
39. 39.In how many years will ₹9000 earn ₹2970 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
40. 40.What is the simple interest on ₹1000 at 8% per year for 3 years? (a) ₹320 (b) ₹240 (c) ₹80 (d) ₹1240

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