← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 644 · 40 questions
TalentJR

The method (Think in totals): Average = total ÷ how many; total = average × how many. A number added or removed: compare the new total with the old total. Two groups together: add the two totals, then divide by everyone.

NameDateTime takenScore ___ / 40
  1. 1.The average of 9 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  2. 2.A shop sells an average of 54 kg of sugar a day for 2 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Rahul’s batting average after 10 innings is 45 runs. How many runs must Rahul score in the next innings to raise the average to 48?
  4. 4.Karan’s batting average after 10 innings is 28 runs. How many runs must Karan score in the next innings to raise the average to 33?
  5. 5.The average of 7 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  6. 6.Marks of 5 friends in a quiz: 37, 33, 23, 45, 12. What is their average mark?
  7. 7.The average weight of 8 children is 36 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 57, 60, 65, 72, 31. What is their average mark?
  10. 10.Marks of 5 friends in a quiz: 75, 56, 72, 61, 76. What is their average mark?
  11. 11.Marks of 4 friends in a quiz: 56, 68, 70, 58. What is their average mark?
  12. 12.The average weight of 12 children is 32 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 6 numbers is 32. When one more number is added, the average becomes 36. What number was added?
  14. 14.The average weight of 5 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Ishaan’s batting average after 14 innings is 43 runs. How many runs must Ishaan score in the next innings to raise the average to 48?
  16. 16.A shop sells an average of 54 kg of sugar a day for 3 days, and then 61 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  17. 17.Farhan’s batting average after 14 innings is 27 runs. How many runs must Farhan score in the next innings to raise the average to 31?
  18. 18.The average of 5 numbers is 38. When one more number is added, the average becomes 42. What number was added?
  19. 19.The average weight of 8 children is 45 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 6 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  21. 21.A shop sells an average of 27 kg of sugar a day for 3 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.Pooja’s batting average after 14 innings is 39 runs. How many runs must Pooja score in the next innings to raise the average to 43?
  23. 23.Marks of 4 friends in a quiz: 91, 90, 70, 85. What is their average mark?
  24. 24.Marks of 6 friends in a quiz: 13, 10, 20, 21, 13, 61. What is their average mark?
  25. 25.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 76 kg of sugar a day for 6 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.Aditya’s batting average after 14 innings is 45 runs. How many runs must Aditya score in the next innings to raise the average to 46?
  30. 30.Marks of 4 friends in a quiz: 32, 13, 14, 49. What is their average mark?
  31. 31.The average of 9 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  32. 32.The average of 5 numbers is 28. When one more number is added, the average becomes 31. What number was added?
  33. 33.A shop sells an average of 41 kg of sugar a day for 2 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  34. 34.The average of 6 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  35. 35.Pooja’s batting average after 14 innings is 42 runs. How many runs must Pooja score in the next innings to raise the average to 44?
  36. 36.Marks of 6 friends in a quiz: 49, 34, 42, 51, 49, 15. What is their average mark?
  37. 37.Dev’s batting average after 9 innings is 20 runs. How many runs must Dev score in the next innings to raise the average to 23?
  38. 38.The average weight of 10 children is 37 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 6 friends in a quiz: 18, 19, 39, 31, 24, 13. What is their average mark?
  40. 40.A shop sells an average of 77 kg of sugar a day for 2 days, and then 47 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?

Answer key

  1. 48
  2. 69
  3. 78
  4. 83
  5. 95
  6. 30
  7. 34
  8. 30
  9. 57
  10. 68
  11. 63
  12. 30
  13. 60
  14. 42
  15. 118
  16. 58
  17. 87
  18. 62
  19. 42
  20. 68
  21. 31
  22. 99
  23. 84
  24. 23
  25. 44
  26. 28
  27. 32
  28. 72
  29. 60
  30. 27
  31. 64
  32. 46
  33. 58
  34. 71
  35. 72
  36. 40
  37. 50
  38. 36
  39. 24
  40. 59

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude