Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 757 · 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.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1100 (b) ₹80 (c) ₹1020 (d) ₹1080
2. 2.What is the simple interest on ₹6500 at 2% per year for 4 years? (a) ₹520 (b) ₹130 (c) ₹7020 (d) ₹650
3. 3.What is the simple interest on ₹7000 at 10% per year for 5 years? (a) ₹10500 (b) ₹4200 (c) ₹3500 (d) ₹700
4. 4.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹525 (b) ₹175 (c) ₹2850 (d) ₹350
5. 5.In how many years will ₹2000 earn ₹960 simple interest at 12% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
6. 6.₹4000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹840 (b) ₹4280 (c) ₹5120 (d) ₹4840
7. 7.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
8. 8.The simple interest on ₹5000 for 3 years is ₹1050. What is the rate per year? (a) 21% (b) 8% (c) 6% (d) 7%
9. 9.In how many years will ₹5500 earn ₹440 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
10. 10.In how many years will ₹8500 earn ₹510 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
11. 11.The simple interest on ₹8000 for 5 years is ₹4400. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 55%
12. 12.The simple interest on ₹5000 for 5 years is ₹3000. What is the rate per year? (a) 11% (b) 60% (c) 12% (d) 13%
13. 13.The simple interest on ₹8000 for 3 years is ₹960. What is the rate per year? (a) 12% (b) 5% (c) 4% (d) 3%
14. 14.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹2160 (b) ₹1800 (c) ₹360 (d) ₹10800
15. 15.In how many years will ₹7000 earn ₹2240 simple interest at 8% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
16. 16.What is the simple interest on ₹8500 at 3% per year for 3 years? (a) ₹255 (b) ₹9265 (c) ₹1020 (d) ₹765
17. 17.₹3000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3180 (b) ₹3900 (c) ₹720 (d) ₹3720
18. 18.The simple interest on ₹5000 for 2 years is ₹1100. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 22%
19. 19.₹4000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹400 (b) ₹4200 (c) ₹4400 (d) ₹4600
20. 20.The simple interest on ₹6000 for 3 years is ₹2160. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 36%
21. 21.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹8250 (b) ₹900 (c) ₹750 (d) ₹150
22. 22.The simple interest on ₹6500 for 5 years is ₹3250. What is the rate per year? (a) 11% (b) 10% (c) 50% (d) 9%
23. 23.The simple interest on ₹2000 for 5 years is ₹600. What is the rate per year? (a) 5% (b) 7% (c) 30% (d) 6%
24. 24.In how many years will ₹4500 earn ₹1080 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
25. 25.₹9000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9180 (b) ₹9540 (c) ₹9720 (d) ₹540
26. 26.₹1500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2025 (b) ₹1920 (c) ₹1605 (d) ₹420
27. 27.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
28. 28.What is the simple interest on ₹2500 at 10% per year for 4 years? (a) ₹250 (b) ₹1000 (c) ₹1250 (d) ₹3500
29. 29.The simple interest on ₹10000 for 3 years is ₹3000. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 30%
30. 30.In how many years will ₹7500 earn ₹3600 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
31. 31.The simple interest on ₹7500 for 4 years is ₹2400. What is the rate per year? (a) 7% (b) 9% (c) 32% (d) 8%
32. 32.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹90 (b) ₹540 (c) ₹450 (d) ₹1450
33. 33.₹7500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹12900 (b) ₹8400 (c) ₹4500 (d) ₹12000
34. 34.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹1080 (b) ₹3240 (c) ₹2160 (d) ₹11160
35. 35.₹8500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1020 (b) ₹9010 (c) ₹10030 (d) ₹9520
36. 36.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹495 (b) ₹330 (c) ₹165 (d) ₹1830
37. 37.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹150 (b) ₹2650 (c) ₹2700 (d) ₹2550
38. 38.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹3875 (b) ₹275 (c) ₹1650 (d) ₹1375
39. 39.In how many years will ₹10000 earn ₹1200 simple interest at 6% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
40. 40.₹5500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6655 (b) ₹5885 (c) ₹6270 (d) ₹770

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