Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 416 · 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 ₹6000 earn ₹360 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
2. 2.₹6500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1300 (b) ₹6825 (c) ₹7800 (d) ₹8125
3. 3.The simple interest on ₹6000 for 5 years is ₹3300. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
4. 4.₹5500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹5995 (b) ₹1980 (c) ₹7975 (d) ₹7480
5. 5.The simple interest on ₹9000 for 4 years is ₹4320. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 48%
6. 6.₹4500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4680 (b) ₹5040 (c) ₹4860 (d) ₹360
7. 7.In how many years will ₹2000 earn ₹1000 simple interest at 10% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
8. 8.₹10000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2200 (b) ₹11100 (c) ₹12200 (d) ₹13300
9. 9.In how many years will ₹8000 earn ₹960 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
10. 10.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹900 (b) ₹3400 (c) ₹3625 (d) ₹2725
11. 11.₹9000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹11430 (b) ₹10620 (c) ₹9810 (d) ₹1620
12. 12.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹180 (b) ₹270 (c) ₹1680 (d) ₹90
13. 13.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 2%
14. 14.The simple interest on ₹10000 for 3 years is ₹900. What is the rate per year? (a) 4% (b) 9% (c) 3% (d) 2%
15. 15.What is the simple interest on ₹5000 at 4% per year for 4 years? (a) ₹5800 (b) ₹800 (c) ₹200 (d) ₹1000
16. 16.₹5500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6160 (b) ₹8800 (c) ₹3300 (d) ₹9460
17. 17.₹6500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹9620 (b) ₹7020 (c) ₹9100 (d) ₹2600
18. 18.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹300 (b) ₹600 (c) ₹900 (d) ₹10600
19. 19.The simple interest on ₹3000 for 3 years is ₹180. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 1%
20. 20.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹10200 (b) ₹10800 (c) ₹11000 (d) ₹800
21. 21.What is the simple interest on ₹5500 at 9% per year for 5 years? (a) ₹495 (b) ₹2475 (c) ₹2970 (d) ₹7975
22. 22.In how many years will ₹7000 earn ₹2800 simple interest at 10% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
23. 23.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
24. 24.In how many years will ₹8000 earn ₹2000 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
25. 25.₹4000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹5080 (b) ₹4360 (c) ₹4720 (d) ₹720
26. 26.What is the simple interest on ₹10000 at 3% per year for 3 years? (a) ₹300 (b) ₹1200 (c) ₹10900 (d) ₹900
27. 27.What is the simple interest on ₹10000 at 12% per year for 2 years? (a) ₹1200 (b) ₹2400 (c) ₹12400 (d) ₹3600
28. 28.In how many years will ₹2000 earn ₹360 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
29. 29.The simple interest on ₹7500 for 2 years is ₹450. What is the rate per year? (a) 3% (b) 4% (c) 6% (d) 2%
30. 30.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
31. 31.The simple interest on ₹7500 for 5 years is ₹3375. What is the rate per year? (a) 45% (b) 9% (c) 10% (d) 8%
32. 32.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹6160 (b) ₹990 (c) ₹330 (d) ₹660
33. 33.What is the simple interest on ₹6000 at 12% per year for 4 years? (a) ₹720 (b) ₹2880 (c) ₹3600 (d) ₹8880
34. 34.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7800 (b) ₹600 (c) ₹8400 (d) ₹8100
35. 35.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
36. 36.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹10540 (b) ₹3060 (c) ₹2040 (d) ₹1020
37. 37.The simple interest on ₹2000 for 2 years is ₹360. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
38. 38.The simple interest on ₹4000 for 5 years is ₹600. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
39. 39.₹2500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3875 (b) ₹3600 (c) ₹1100 (d) ₹2775
40. 40.In how many years will ₹9000 earn ₹3600 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years

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