Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 88 · 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 ₹8000 at 8% per year for 2 years? (a) ₹9280 (b) ₹640 (c) ₹1280 (d) ₹1920
2. 2.₹9500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹11875 (b) ₹11400 (c) ₹9975 (d) ₹1900
3. 3.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹220 (b) ₹440 (c) ₹660 (d) ₹2440
4. 4.₹9500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹10545 (b) ₹5225 (c) ₹15770 (d) ₹14725
5. 5.What is the simple interest on ₹4500 at 10% per year for 3 years? (a) ₹1800 (b) ₹1350 (c) ₹5850 (d) ₹450
6. 6.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 10%
7. 7.₹8000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10000 (b) ₹8400 (c) ₹1600 (d) ₹9600
8. 8.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹9775 (b) ₹1275 (c) ₹255 (d) ₹1530
9. 9.What is the simple interest on ₹5500 at 6% per year for 4 years? (a) ₹1320 (b) ₹330 (c) ₹6820 (d) ₹1650
10. 10.₹1500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1995 (b) ₹1665 (c) ₹2160 (d) ₹495
11. 11.The simple interest on ₹1000 for 5 years is ₹150. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
12. 12.In how many years will ₹9500 earn ₹1900 simple interest at 4% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
13. 13.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹5490 (b) ₹1485 (c) ₹990 (d) ₹495
14. 14.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6050 (b) ₹550 (c) ₹6325 (d) ₹5775
15. 15.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 8% (b) 40% (c) 7% (d) 9%
16. 16.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2725 (b) ₹225 (c) ₹2575 (d) ₹2800
17. 17.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
18. 18.In how many years will ₹2000 earn ₹180 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
19. 19.The simple interest on ₹4000 for 5 years is ₹1800. What is the rate per year? (a) 9% (b) 45% (c) 8% (d) 10%
20. 20.The simple interest on ₹6500 for 5 years is ₹2275. What is the rate per year? (a) 8% (b) 6% (c) 35% (d) 7%
21. 21.₹2500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹2800 (b) ₹2900 (c) ₹300 (d) ₹2600
22. 22.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹4440 (c) ₹4800 (d) ₹1440
23. 23.₹4000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹4720 (b) ₹4240 (c) ₹4480 (d) ₹480
24. 24.In how many years will ₹5500 earn ₹3025 simple interest at 11% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
25. 25.What is the simple interest on ₹1000 at 4% per year for 3 years? (a) ₹1120 (b) ₹160 (c) ₹40 (d) ₹120
26. 26.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹250 (b) ₹200 (c) ₹50 (d) ₹2700
27. 27.The simple interest on ₹3000 for 4 years is ₹1080. What is the rate per year? (a) 9% (b) 36% (c) 10% (d) 8%
28. 28.What is the simple interest on ₹9000 at 7% per year for 5 years? (a) ₹630 (b) ₹3780 (c) ₹3150 (d) ₹12150
29. 29.The simple interest on ₹4500 for 4 years is ₹1080. What is the rate per year? (a) 7% (b) 24% (c) 6% (d) 5%
30. 30.₹4000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹5800 (b) ₹1800 (c) ₹6160 (d) ₹4360
31. 31.The simple interest on ₹6000 for 2 years is ₹1200. What is the rate per year? (a) 11% (b) 20% (c) 10% (d) 9%
32. 32.In how many years will ₹8500 earn ₹4080 simple interest at 12% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
33. 33.What is the simple interest on ₹7000 at 5% per year for 4 years? (a) ₹350 (b) ₹8400 (c) ₹1750 (d) ₹1400
34. 34.₹1500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2130 (b) ₹2025 (c) ₹1605 (d) ₹525
35. 35.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹990 (b) ₹6490 (c) ₹330 (d) ₹1320
36. 36.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1620 (b) ₹1650 (c) ₹120 (d) ₹1530
37. 37.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹8480 (c) ₹8720 (d) ₹8240
38. 38.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2080 (b) ₹2160 (c) ₹2240 (d) ₹160
39. 39.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹500 (b) ₹2900 (c) ₹400 (d) ₹100
40. 40.₹9000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹11160 (b) ₹9540 (c) ₹10620 (d) ₹1620

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