Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 78 · 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.In how many years will ₹2000 earn ₹320 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
2. 2.What is the simple interest on ₹5500 at 10% per year for 4 years? (a) ₹2200 (b) ₹550 (c) ₹2750 (d) ₹7700
3. 3.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹300 (b) ₹100 (c) ₹200 (d) ₹2700
4. 4.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹2040 (b) ₹2720 (c) ₹10540 (d) ₹680
5. 5.What is the simple interest on ₹6000 at 6% per year for 5 years? (a) ₹2160 (b) ₹360 (c) ₹7800 (d) ₹1800
6. 6.What is the simple interest on ₹7000 at 4% per year for 2 years? (a) ₹560 (b) ₹840 (c) ₹280 (d) ₹7560
7. 7.In how many years will ₹4500 earn ₹675 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
8. 8.In how many years will ₹8000 earn ₹480 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
9. 9.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹1000 (b) ₹200 (c) ₹1200 (d) ₹3500
10. 10.The simple interest on ₹8000 for 4 years is ₹3520. What is the rate per year? (a) 11% (b) 10% (c) 44% (d) 12%
11. 11.In how many years will ₹2000 earn ₹240 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
12. 12.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹100 (b) ₹600 (c) ₹500 (d) ₹3000
13. 13.In how many years will ₹1000 earn ₹180 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
14. 14.₹5000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5900 (b) ₹5750 (c) ₹750 (d) ₹5150
15. 15.What is the simple interest on ₹4500 at 10% per year for 3 years? (a) ₹5850 (b) ₹1350 (c) ₹450 (d) ₹1800
16. 16.In how many years will ₹4000 earn ₹1760 simple interest at 11% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
17. 17.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9690 (b) ₹950 (c) ₹10450 (d) ₹10640
18. 18.The simple interest on ₹5000 for 4 years is ₹2200. What is the rate per year? (a) 44% (b) 10% (c) 11% (d) 12%
19. 19.The simple interest on ₹7500 for 5 years is ₹3375. What is the rate per year? (a) 10% (b) 45% (c) 8% (d) 9%
20. 20.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹285 (b) ₹1710 (c) ₹1425 (d) ₹10925
21. 21.In how many years will ₹2000 earn ₹800 simple interest at 10% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
22. 22.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹1020 (b) ₹9180 (c) ₹680 (d) ₹340
23. 23.The simple interest on ₹3000 for 4 years is ₹840. What is the rate per year? (a) 28% (b) 7% (c) 8% (d) 6%
24. 24.What is the simple interest on ₹9500 at 12% per year for 4 years? (a) ₹4560 (b) ₹5700 (c) ₹14060 (d) ₹1140
25. 25.In how many years will ₹4500 earn ₹540 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
26. 26.₹5500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹6105 (b) ₹7315 (c) ₹6710 (d) ₹1210
27. 27.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
28. 28.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹400 (b) ₹10600 (c) ₹10200 (d) ₹10400
29. 29.₹7000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹8050 (b) ₹7350 (c) ₹8400 (d) ₹1050
30. 30.In how many years will ₹7000 earn ₹4200 simple interest at 12% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
31. 31.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹1620 (b) ₹60 (c) ₹180 (d) ₹120
32. 32.₹5000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹5150 (b) ₹5600 (c) ₹5750 (d) ₹600
33. 33.In how many years will ₹7500 earn ₹2700 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
34. 34.In how many years will ₹9500 earn ₹380 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
35. 35.The simple interest on ₹3500 for 3 years is ₹630. What is the rate per year? (a) 6% (b) 18% (c) 5% (d) 7%
36. 36.In how many years will ₹7000 earn ₹2310 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
37. 37.In how many years will ₹10000 earn ₹4000 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
38. 38.What is the simple interest on ₹5000 at 12% per year for 2 years? (a) ₹600 (b) ₹6200 (c) ₹1800 (d) ₹1200
39. 39.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8255 (b) ₹7670 (c) ₹1170 (d) ₹7085
40. 40.₹4500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹6390 (b) ₹1575 (c) ₹6075 (d) ₹4815

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad