Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 927 · 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 ₹1250 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
2. 2.The simple interest on ₹6000 for 4 years is ₹2400. What is the rate per year? (a) 9% (b) 40% (c) 10% (d) 11%
3. 3.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
4. 4.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3080 (b) ₹7770 (c) ₹10080 (d) ₹10850
5. 5.What is the simple interest on ₹2000 at 2% per year for 4 years? (a) ₹2160 (b) ₹160 (c) ₹200 (d) ₹40
6. 6.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 20%
7. 7.The simple interest on ₹9000 for 3 years is ₹2430. What is the rate per year? (a) 27% (b) 10% (c) 9% (d) 8%
8. 8.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹4200 (b) ₹3900 (c) ₹3300 (d) ₹900
9. 9.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹1280 (b) ₹640 (c) ₹9280 (d) ₹1920
10. 10.What is the simple interest on ₹4000 at 9% per year for 4 years? (a) ₹360 (b) ₹1800 (c) ₹1440 (d) ₹5440
11. 11.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹225 (b) ₹450 (c) ₹2950 (d) ₹675
12. 12.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹975 (b) ₹325 (c) ₹7150 (d) ₹650
13. 13.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
14. 14.What is the simple interest on ₹4000 at 8% per year for 4 years? (a) ₹5280 (b) ₹1600 (c) ₹1280 (d) ₹320
15. 15.₹6000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹6960 (b) ₹720 (c) ₹6720 (d) ₹6240
16. 16.What is the simple interest on ₹2000 at 10% per year for 2 years? (a) ₹2400 (b) ₹400 (c) ₹600 (d) ₹200
17. 17.₹3000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3750 (b) ₹3150 (c) ₹600 (d) ₹3600
18. 18.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹3150 (c) ₹3450 (d) ₹3300
19. 19.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹175 (b) ₹3200 (c) ₹875 (d) ₹700
20. 20.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹3920 (b) ₹630 (c) ₹210 (d) ₹420
21. 21.The simple interest on ₹6500 for 4 years is ₹780. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 12%
22. 22.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8840 (b) ₹9860 (c) ₹1020 (d) ₹9520
23. 23.₹10000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹5000 (b) ₹16000 (c) ₹15000 (d) ₹11000
24. 24.₹5500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5665 (b) ₹6325 (c) ₹825 (d) ₹6490
25. 25.In how many years will ₹6000 earn ₹720 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
26. 26.₹7000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹7490 (b) ₹8960 (c) ₹9450 (d) ₹1960
27. 27.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹200 (b) ₹1240 (c) ₹1200 (d) ₹1040
28. 28.What is the simple interest on ₹2500 at 7% per year for 5 years? (a) ₹875 (b) ₹175 (c) ₹3375 (d) ₹1050
29. 29.In how many years will ₹10000 earn ₹3600 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
30. 30.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹6900 (b) ₹900 (c) ₹180 (d) ₹1080
31. 31.What is the simple interest on ₹5000 at 3% per year for 2 years? (a) ₹5300 (b) ₹450 (c) ₹150 (d) ₹300
32. 32.What is the simple interest on ₹4000 at 8% per year for 5 years? (a) ₹320 (b) ₹1920 (c) ₹1600 (d) ₹5600
33. 33.The simple interest on ₹5000 for 4 years is ₹2000. What is the rate per year? (a) 9% (b) 40% (c) 10% (d) 11%
34. 34.What is the simple interest on ₹9000 at 2% per year for 2 years? (a) ₹540 (b) ₹9360 (c) ₹360 (d) ₹180
35. 35.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹525 (b) ₹350 (c) ₹175 (d) ₹3850
36. 36.What is the simple interest on ₹1500 at 10% per year for 3 years? (a) ₹1950 (b) ₹600 (c) ₹150 (d) ₹450
37. 37.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹3360 (b) ₹120 (c) ₹480 (d) ₹360
38. 38.The simple interest on ₹8000 for 3 years is ₹1680. What is the rate per year? (a) 8% (b) 21% (c) 6% (d) 7%
39. 39.In how many years will ₹2500 earn ₹375 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
40. 40.What is the simple interest on ₹1000 at 3% per year for 4 years? (a) ₹1120 (b) ₹120 (c) ₹30 (d) ₹150

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