Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 850 · 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.In how many years will ₹2500 earn ₹150 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
2. 2.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹1050 (b) ₹700 (c) ₹350 (d) ₹4200
3. 3.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹320 (b) ₹2080 (c) ₹2400 (d) ₹2320
4. 4.The simple interest on ₹7500 for 4 years is ₹600. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 8%
5. 5.₹9500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹9785 (b) ₹1140 (c) ₹10925 (d) ₹10640
6. 6.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1260 (b) ₹6075 (c) ₹4815 (d) ₹5760
7. 7.₹10000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹11600 (b) ₹12000 (c) ₹10400 (d) ₹1600
8. 8.In how many years will ₹6500 earn ₹1040 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
9. 9.In how many years will ₹10000 earn ₹4000 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
10. 10.In how many years will ₹4000 earn ₹720 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
11. 11.₹1500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1665 (b) ₹330 (c) ₹1995 (d) ₹1830
12. 12.In how many years will ₹6000 earn ₹1080 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
13. 13.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
14. 14.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
15. 15.In how many years will ₹3000 earn ₹480 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
16. 16.What is the simple interest on ₹9000 at 4% per year for 3 years? (a) ₹360 (b) ₹1080 (c) ₹1440 (d) ₹10080
17. 17.In how many years will ₹7000 earn ₹1120 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
18. 18.₹4000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2400 (b) ₹4480 (c) ₹6880 (d) ₹6400
19. 19.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹420 (b) ₹140 (c) ₹280 (d) ₹3780
20. 20.₹9500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1330 (b) ₹10165 (c) ₹11495 (d) ₹10830
21. 21.In how many years will ₹10000 earn ₹3500 simple interest at 7% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
22. 22.The simple interest on ₹10000 for 2 years is ₹1600. What is the rate per year? (a) 8% (b) 16% (c) 9% (d) 7%
23. 23.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
24. 24.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹7280 (b) ₹140 (c) ₹280 (d) ₹420
25. 25.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹480 (b) ₹240 (c) ₹720 (d) ₹8480
26. 26.₹3000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹3330 (b) ₹3990 (c) ₹4320 (d) ₹990
27. 27.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 12%
28. 28.The simple interest on ₹10000 for 4 years is ₹3600. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 36%
29. 29.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
30. 30.The simple interest on ₹3000 for 3 years is ₹450. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 15%
31. 31.In how many years will ₹1000 earn ₹100 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
32. 32.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
33. 33.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹1300 (b) ₹325 (c) ₹1625 (d) ₹7800
34. 34.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹5400 (b) ₹1080 (c) ₹180 (d) ₹900
35. 35.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹525 (b) ₹3920 (c) ₹420 (d) ₹105
36. 36.₹9500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹14725 (b) ₹5225 (c) ₹15770 (d) ₹10545
37. 37.In how many years will ₹1500 earn ₹150 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
38. 38.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹300 (b) ₹200 (c) ₹100 (d) ₹2700
39. 39.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1590 (b) ₹1770 (c) ₹1860 (d) ₹270
40. 40.In how many years will ₹1000 earn ₹100 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years

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