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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 28 · 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 6 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  2. 2.Marks of 6 friends in a quiz: 42, 54, 52, 31, 36, 49. What is their average mark?
  3. 3.A shop sells an average of 66 kg of sugar a day for 3 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  4. 4.A shop sells an average of 28 kg of sugar a day for 3 days, and then 40 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.The average of 6 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  6. 6.The average weight of 9 children is 42 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 9 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  8. 8.The average of 7 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  9. 9.Priya’s batting average after 12 innings is 42 runs. How many runs must Priya score in the next innings to raise the average to 45?
  10. 10.Marks of 5 friends in a quiz: 35, 36, 23, 16, 25. What is their average mark?
  11. 11.A shop sells an average of 38 kg of sugar a day for 2 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  12. 12.Pooja’s batting average after 7 innings is 24 runs. How many runs must Pooja score in the next innings to raise the average to 25?
  13. 13.The average of 8 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  14. 14.Marks of 6 friends in a quiz: 23, 38, 15, 28, 9, 25. What is their average mark?
  15. 15.Nisha’s batting average after 7 innings is 21 runs. How many runs must Nisha score in the next innings to raise the average to 25?
  16. 16.The average weight of 10 children is 33 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 80 kg of sugar a day for 3 days, and then 59 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  18. 18.The average weight of 10 children is 47 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Arjun’s batting average after 13 innings is 41 runs. How many runs must Arjun score in the next innings to raise the average to 43?
  20. 20.A shop sells an average of 59 kg of sugar a day for 5 days, and then 21 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  21. 21.Marks of 4 friends in a quiz: 30, 37, 35, 34. What is their average mark?
  22. 22.A shop sells an average of 71 kg of sugar a day for 5 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  23. 23.A shop sells an average of 66 kg of sugar a day for 3 days, and then 52 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.Marks of 5 friends in a quiz: 17, 39, 37, 15, 32. What is their average mark?
  25. 25.The average of 9 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  26. 26.Dev’s batting average after 14 innings is 23 runs. How many runs must Dev score in the next innings to raise the average to 24?
  27. 27.The average of 4 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  28. 28.The average weight of 5 children is 36 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 5 friends in a quiz: 25, 23, 40, 25, 72. What is their average mark?
  30. 30.The average of 7 numbers is 58. When one more number is added, the average becomes 60. What number was added?
  31. 31.Marks of 4 friends in a quiz: 45, 38, 34, 59. What is their average mark?
  32. 32.The average weight of 7 children is 40 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 9 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  34. 34.The average of 4 numbers is 31. When one more number is added, the average becomes 35. What number was added?
  35. 35.The average weight of 11 children is 26 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Tara’s batting average after 13 innings is 44 runs. How many runs must Tara score in the next innings to raise the average to 49?
  37. 37.Rohan’s batting average after 14 innings is 32 runs. How many runs must Rohan score in the next innings to raise the average to 37?
  38. 38.The average weight of 6 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 4 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  40. 40.Marks of 4 friends in a quiz: 32, 46, 32, 22. What is their average mark?

Answer key

  1. 67
  2. 44
  3. 38
  4. 34
  5. 78
  6. 40
  7. 30
  8. 42
  9. 81
  10. 27
  11. 47
  12. 32
  13. 57
  14. 23
  15. 53
  16. 30
  17. 68
  18. 44
  19. 69
  20. 40
  21. 34
  22. 59
  23. 59
  24. 28
  25. 47
  26. 38
  27. 58
  28. 35
  29. 37
  30. 74
  31. 44
  32. 39
  33. 80
  34. 51
  35. 25
  36. 114
  37. 107
  38. 36
  39. 42
  40. 33

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