Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 701 · 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 ₹7500 at 3% per year for 3 years? (a) ₹8175 (b) ₹675 (c) ₹900 (d) ₹225
2. 2.₹5000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5300 (b) ₹5150 (c) ₹300 (d) ₹5450
3. 3.₹4000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹4240 (b) ₹4960 (c) ₹5200 (d) ₹960
4. 4.₹1000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹330 (b) ₹1110 (c) ₹1440 (d) ₹1330
5. 5.In how many years will ₹7000 earn ₹2450 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
6. 6.What is the simple interest on ₹6000 at 7% per year for 3 years? (a) ₹420 (b) ₹1680 (c) ₹1260 (d) ₹7260
7. 7.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 40%
8. 8.In how many years will ₹3000 earn ₹1080 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
9. 9.What is the simple interest on ₹8000 at 5% per year for 3 years? (a) ₹400 (b) ₹1200 (c) ₹1600 (d) ₹9200
10. 10.In how many years will ₹5500 earn ₹2200 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
11. 11.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹1350 (b) ₹8850 (c) ₹2025 (d) ₹675
12. 12.₹8500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1530 (b) ₹10540 (c) ₹9010 (d) ₹10030
13. 13.₹8500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹9520 (b) ₹13600 (c) ₹12580 (d) ₹4080
14. 14.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹1120 (b) ₹180 (c) ₹120 (d) ₹60
15. 15.In how many years will ₹6000 earn ₹2400 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
16. 16.The simple interest on ₹2500 for 3 years is ₹675. What is the rate per year? (a) 10% (b) 8% (c) 27% (d) 9%
17. 17.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹300 (b) ₹6200 (c) ₹1200 (d) ₹1500
18. 18.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹640 (b) ₹1920 (c) ₹1280 (d) ₹9280
19. 19.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
20. 20.What is the simple interest on ₹4500 at 11% per year for 3 years? (a) ₹495 (b) ₹5985 (c) ₹1980 (d) ₹1485
21. 21.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹850 (b) ₹8670 (c) ₹9520 (d) ₹9350
22. 22.In how many years will ₹4000 earn ₹1400 simple interest at 7% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
23. 23.In how many years will ₹4000 earn ₹400 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
24. 24.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3500 (b) ₹1000 (c) ₹3750 (d) ₹2750
25. 25.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3570 (b) ₹140 (c) ₹3710 (d) ₹3640
26. 26.₹1500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1995 (b) ₹1665 (c) ₹495 (d) ₹2160
27. 27.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹13600 (b) ₹14500 (c) ₹3600 (d) ₹10900
28. 28.₹3500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹4655 (b) ₹3885 (c) ₹4270 (d) ₹770
29. 29.The simple interest on ₹9000 for 5 years is ₹4500. What is the rate per year? (a) 11% (b) 50% (c) 10% (d) 9%
30. 30.₹2000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2600 (b) ₹2720 (c) ₹2120 (d) ₹600
31. 31.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
32. 32.What is the simple interest on ₹3000 at 9% per year for 2 years? (a) ₹3540 (b) ₹810 (c) ₹270 (d) ₹540
33. 33.What is the simple interest on ₹3500 at 12% per year for 5 years? (a) ₹5600 (b) ₹420 (c) ₹2100 (d) ₹2520
34. 34.₹2000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2900 (b) ₹720 (c) ₹2180 (d) ₹2720
35. 35.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹450 (b) ₹9900 (c) ₹1350 (d) ₹900
36. 36.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
37. 37.₹7000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7560 (b) ₹7420 (c) ₹420 (d) ₹7140
38. 38.What is the simple interest on ₹5500 at 3% per year for 3 years? (a) ₹5995 (b) ₹165 (c) ₹660 (d) ₹495
39. 39.₹2500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2650 (b) ₹3100 (c) ₹600 (d) ₹3250
40. 40.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year

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