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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 207 · 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 weight of 12 children is 34 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 4 friends in a quiz: 59, 38, 66, 49. What is their average mark?
  3. 3.Marks of 6 friends in a quiz: 17, 36, 37, 24, 9, 21. What is their average mark?
  4. 4.A shop sells an average of 60 kg of sugar a day for 2 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.Dev’s batting average after 14 innings is 43 runs. How many runs must Dev score in the next innings to raise the average to 44?
  6. 6.The average weight of 5 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 6 friends in a quiz: 70, 91, 80, 87, 89, 63. What is their average mark?
  8. 8.The average weight of 5 children is 48 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 10 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 9 children is 43 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 9 numbers is 37. When one more number is added, the average becomes 42. What number was added?
  12. 12.The average weight of 11 children is 46 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 4 friends in a quiz: 36, 54, 50, 24. What is their average mark?
  14. 14.Marks of 5 friends in a quiz: 81, 67, 91, 65, 81. What is their average mark?
  15. 15.A shop sells an average of 24 kg of sugar a day for 5 days, and then 62 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  16. 16.Marks of 6 friends in a quiz: 15, 26, 22, 37, 44, 30. What is their average mark?
  17. 17.The average weight of 12 children is 34 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 9 children is 26 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 6 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  20. 20.Marks of 5 friends in a quiz: 27, 49, 21, 29, 54. What is their average mark?
  21. 21.A shop sells an average of 22 kg of sugar a day for 2 days, and then 55 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.The average weight of 8 children is 33 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Ishaan’s batting average after 8 innings is 49 runs. How many runs must Ishaan score in the next innings to raise the average to 52?
  24. 24.A shop sells an average of 46 kg of sugar a day for 6 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  25. 25.A shop sells an average of 21 kg of sugar a day for 2 days, and then 56 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  26. 26.The average of 7 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  27. 27.Marks of 4 friends in a quiz: 52, 44, 62, 42. What is their average mark?
  28. 28.A shop sells an average of 69 kg of sugar a day for 3 days, and then 39 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 8 numbers is 37. When one more number is added, the average becomes 42. What number was added?
  31. 31.Tara’s batting average after 10 innings is 41 runs. How many runs must Tara score in the next innings to raise the average to 42?
  32. 32.A shop sells an average of 43 kg of sugar a day for 3 days, and then 37 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.Vivaan’s batting average after 13 innings is 32 runs. How many runs must Vivaan score in the next innings to raise the average to 37?
  34. 34.The average weight of 10 children is 26 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Farhan’s batting average after 12 innings is 43 runs. How many runs must Farhan score in the next innings to raise the average to 47?
  36. 36.The average of 6 numbers is 46. When one more number is added, the average becomes 51. What number was added?
  37. 37.The average weight of 11 children is 43 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 57 kg of sugar a day for 5 days, and then 65 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.Marks of 6 friends in a quiz: 19, 12, 23, 27, 30, 21. What is their average mark?
  40. 40.The average weight of 9 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 33
  2. 53
  3. 24
  4. 57
  5. 58
  6. 41
  7. 80
  8. 45
  9. 43
  10. 41
  11. 87
  12. 44
  13. 41
  14. 77
  15. 43
  16. 29
  17. 32
  18. 25
  19. 61
  20. 36
  21. 44
  22. 32
  23. 76
  24. 33
  25. 42
  26. 58
  27. 50
  28. 54
  29. 27
  30. 82
  31. 52
  32. 40
  33. 102
  34. 25
  35. 95
  36. 81
  37. 41
  38. 60
  39. 22
  40. 34

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