Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 731 · 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 ₹5000 for 3 years is ₹1050. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 21%
2. 2.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
3. 3.₹5000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹7400 (b) ₹6800 (c) ₹1800 (d) ₹5600
4. 4.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹3090 (c) ₹3180 (d) ₹3270
5. 5.₹3000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4350 (b) ₹1080 (c) ₹4080 (d) ₹3270
6. 6.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹840 (b) ₹7630 (c) ₹210 (d) ₹630
7. 7.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 11% (b) 9% (c) 50% (d) 10%
8. 8.In how many years will ₹9500 earn ₹1900 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
9. 9.What is the simple interest on ₹5000 at 12% per year for 4 years? (a) ₹3000 (b) ₹7400 (c) ₹600 (d) ₹2400
10. 10.What is the simple interest on ₹6500 at 12% per year for 4 years? (a) ₹3120 (b) ₹3900 (c) ₹780 (d) ₹9620
11. 11.What is the simple interest on ₹8500 at 7% per year for 5 years? (a) ₹11475 (b) ₹3570 (c) ₹2975 (d) ₹595
12. 12.In how many years will ₹2500 earn ₹1125 simple interest at 9% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
13. 13.What is the simple interest on ₹3000 at 8% per year for 5 years? (a) ₹240 (b) ₹4200 (c) ₹1200 (d) ₹1440
14. 14.The simple interest on ₹7000 for 4 years is ₹2520. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
15. 15.₹2500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2725 (b) ₹3400 (c) ₹675 (d) ₹3175
16. 16.What is the simple interest on ₹4500 at 12% per year for 2 years? (a) ₹5580 (b) ₹1080 (c) ₹1620 (d) ₹540
17. 17.₹7500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹8175 (c) ₹675 (d) ₹7725
18. 18.The simple interest on ₹10000 for 5 years is ₹2000. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
19. 19.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2725 (b) ₹2650 (c) ₹150 (d) ₹2575
20. 20.The simple interest on ₹4000 for 5 years is ₹600. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 15%
21. 21.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹600 (b) ₹10400 (c) ₹400 (d) ₹200
22. 22.In how many years will ₹5500 earn ₹550 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
23. 23.What is the simple interest on ₹2000 at 5% per year for 4 years? (a) ₹2400 (b) ₹100 (c) ₹500 (d) ₹400
24. 24.₹6000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹7800 (b) ₹1440 (c) ₹6360 (d) ₹7440
25. 25.₹4000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹5440 (c) ₹4480 (d) ₹4960
26. 26.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
27. 27.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 8%
28. 28.In how many years will ₹2000 earn ₹700 simple interest at 7% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
29. 29.What is the simple interest on ₹8000 at 6% per year for 4 years? (a) ₹9920 (b) ₹1920 (c) ₹2400 (d) ₹480
30. 30.₹8000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹12320 (b) ₹3600 (c) ₹11600 (d) ₹8720
31. 31.The simple interest on ₹6500 for 2 years is ₹1430. What is the rate per year? (a) 12% (b) 10% (c) 22% (d) 11%
32. 32.₹3500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹4060 (b) ₹3640 (c) ₹420 (d) ₹3920
33. 33.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹420 (b) ₹140 (c) ₹560 (d) ₹3920
34. 34.₹5500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹220 (b) ₹5610 (c) ₹5830 (d) ₹5720
35. 35.The simple interest on ₹3500 for 3 years is ₹210. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 1%
36. 36.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹7085 (b) ₹7670 (c) ₹1170 (d) ₹8255
37. 37.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹340 (b) ₹1020 (c) ₹1360 (d) ₹9520
38. 38.What is the simple interest on ₹1500 at 10% per year for 5 years? (a) ₹2250 (b) ₹750 (c) ₹900 (d) ₹150
39. 39.In how many years will ₹1000 earn ₹240 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
40. 40.₹7500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1500 (b) ₹9750 (c) ₹8250 (d) ₹9000

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