Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 739 · 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.The simple interest on ₹1000 for 3 years is ₹60. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 1%
2. 2.What is the simple interest on ₹9000 at 9% per year for 5 years? (a) ₹13050 (b) ₹810 (c) ₹4050 (d) ₹4860
3. 3.₹9000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹11880 (b) ₹11160 (c) ₹9720 (d) ₹2160
4. 4.What is the simple interest on ₹8500 at 6% per year for 4 years? (a) ₹10540 (b) ₹2550 (c) ₹510 (d) ₹2040
5. 5.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
6. 6.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
7. 7.In how many years will ₹5500 earn ₹1320 simple interest at 6% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
8. 8.The simple interest on ₹3000 for 4 years is ₹480. What is the rate per year? (a) 4% (b) 3% (c) 16% (d) 5%
9. 9.In how many years will ₹4000 earn ₹1320 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
10. 10.The simple interest on ₹5000 for 3 years is ₹1650. What is the rate per year? (a) 11% (b) 10% (c) 33% (d) 12%
11. 11.What is the simple interest on ₹1500 at 7% per year for 3 years? (a) ₹1815 (b) ₹315 (c) ₹105 (d) ₹420
12. 12.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹1020 (b) ₹9520 (c) ₹1530 (d) ₹510
13. 13.₹8500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹13600 (b) ₹9350 (c) ₹4250 (d) ₹12750
14. 14.₹9000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹9540 (c) ₹9180 (d) ₹9360
15. 15.The simple interest on ₹3500 for 4 years is ₹280. What is the rate per year? (a) 1% (b) 2% (c) 8% (d) 3%
16. 16.In how many years will ₹7500 earn ₹450 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
17. 17.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹225 (b) ₹675 (c) ₹2950 (d) ₹450
18. 18.₹2000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2880 (b) ₹660 (c) ₹2220 (d) ₹2660
19. 19.₹8000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8240 (b) ₹1200 (c) ₹9200 (d) ₹9440
20. 20.The simple interest on ₹3500 for 2 years is ₹840. What is the rate per year? (a) 24% (b) 13% (c) 11% (d) 12%
21. 21.What is the simple interest on ₹1500 at 12% per year for 3 years? (a) ₹180 (b) ₹720 (c) ₹540 (d) ₹2040
22. 22.The simple interest on ₹7500 for 4 years is ₹600. What is the rate per year? (a) 1% (b) 8% (c) 2% (d) 3%
23. 23.In how many years will ₹2000 earn ₹200 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
24. 24.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹8300 (b) ₹2750 (c) ₹7750 (d) ₹5550
25. 25.₹5000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹6050 (b) ₹5350 (c) ₹1050 (d) ₹6400
26. 26.₹4000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹4080 (b) ₹4320 (c) ₹240 (d) ₹4240
27. 27.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1260 (b) ₹5760 (c) ₹4815 (d) ₹6075
28. 28.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2220 (b) ₹2660 (c) ₹440 (d) ₹2440
29. 29.The simple interest on ₹7000 for 5 years is ₹1050. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
30. 30.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
31. 31.₹5000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹500 (b) ₹5500 (c) ₹5250 (d) ₹5750
32. 32.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹190 (b) ₹950 (c) ₹10450 (d) ₹1140
33. 33.₹2000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2060 (b) ₹2120 (c) ₹120 (d) ₹2180
34. 34.₹6500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3250 (b) ₹7150 (c) ₹10400 (d) ₹9750
35. 35.What is the simple interest on ₹6000 at 2% per year for 2 years? (a) ₹6240 (b) ₹120 (c) ₹360 (d) ₹240
36. 36.In how many years will ₹1500 earn ₹300 simple interest at 5% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
37. 37.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 4%
38. 38.In how many years will ₹6500 earn ₹2340 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
39. 39.What is the simple interest on ₹7000 at 2% per year for 3 years? (a) ₹420 (b) ₹140 (c) ₹560 (d) ₹7420
40. 40.₹3500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4445 (b) ₹4760 (c) ₹945 (d) ₹3815

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