Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 408 · 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 ₹2000 earn ₹180 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
2. 2.What is the simple interest on ₹1000 at 6% per year for 4 years? (a) ₹240 (b) ₹60 (c) ₹300 (d) ₹1240
3. 3.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
4. 4.₹1000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹1400 (c) ₹1320 (d) ₹320
5. 5.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹420 (b) ₹140 (c) ₹2280 (d) ₹280
6. 6.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
7. 7.In how many years will ₹1500 earn ₹720 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
8. 8.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹450 (b) ₹360 (c) ₹90 (d) ₹1860
9. 9.What is the simple interest on ₹6500 at 9% per year for 4 years? (a) ₹2340 (b) ₹585 (c) ₹2925 (d) ₹8840
10. 10.In how many years will ₹6500 earn ₹1755 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
11. 11.₹8500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹11560 (b) ₹10540 (c) ₹2040 (d) ₹9520
12. 12.The simple interest on ₹6000 for 2 years is ₹960. What is the rate per year? (a) 7% (b) 16% (c) 9% (d) 8%
13. 13.₹4000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹4480 (c) ₹4240 (d) ₹4720
14. 14.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹5400 (b) ₹900 (c) ₹1080 (d) ₹180
15. 15.What is the simple interest on ₹7500 at 8% per year for 4 years? (a) ₹3000 (b) ₹9900 (c) ₹600 (d) ₹2400
16. 16.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
17. 17.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹1600 (b) ₹800 (c) ₹2400 (d) ₹9600
18. 18.₹4500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹6930 (b) ₹6525 (c) ₹2025 (d) ₹4905
19. 19.What is the simple interest on ₹1000 at 11% per year for 5 years? (a) ₹660 (b) ₹1550 (c) ₹550 (d) ₹110
20. 20.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
21. 21.What is the simple interest on ₹1000 at 11% per year for 4 years? (a) ₹550 (b) ₹110 (c) ₹440 (d) ₹1440
22. 22.In how many years will ₹1000 earn ₹100 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
23. 23.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹360 (b) ₹180 (c) ₹1860 (d) ₹540
24. 24.₹4500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹540 (b) ₹5040 (c) ₹4635 (d) ₹5175
25. 25.In how many years will ₹7000 earn ₹560 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
26. 26.₹3500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3640 (b) ₹4200 (c) ₹4340 (d) ₹700
27. 27.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 15% (c) 4% (d) 2%
28. 28.₹7500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹8325 (b) ₹9975 (c) ₹10800 (d) ₹2475
29. 29.What is the simple interest on ₹10000 at 4% per year for 4 years? (a) ₹2000 (b) ₹1600 (c) ₹11600 (d) ₹400
30. 30.₹8000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹11600 (b) ₹2880 (c) ₹8720 (d) ₹10880
31. 31.The simple interest on ₹7000 for 4 years is ₹840. What is the rate per year? (a) 2% (b) 4% (c) 12% (d) 3%
32. 32.In how many years will ₹1500 earn ₹180 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
33. 33.₹3000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹3600 (b) ₹450 (c) ₹3450 (d) ₹3150
34. 34.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
35. 35.₹3500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3920 (b) ₹840 (c) ₹4760 (d) ₹4340
36. 36.₹6000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6720 (b) ₹8880 (c) ₹2160 (d) ₹8160
37. 37.What is the simple interest on ₹9500 at 5% per year for 5 years? (a) ₹2850 (b) ₹475 (c) ₹11875 (d) ₹2375
38. 38.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 5% (b) 6% (c) 25% (d) 4%
39. 39.What is the simple interest on ₹4000 at 3% per year for 3 years? (a) ₹480 (b) ₹360 (c) ₹120 (d) ₹4360
40. 40.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2550 (b) ₹2650 (c) ₹2700 (d) ₹150

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