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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 401 · 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 10 children is 31 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 10 children is 40 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 7 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  4. 4.The average of 5 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  5. 5.A shop sells an average of 38 kg of sugar a day for 3 days, and then 48 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.A shop sells an average of 59 kg of sugar a day for 2 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  7. 7.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)?
  8. 8.Marks of 6 friends in a quiz: 30, 50, 45, 30, 24, 49. What is their average mark?
  9. 9.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 10 children is 39 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 26 kg of sugar a day for 6 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  12. 12.Aditya’s batting average after 15 innings is 34 runs. How many runs must Aditya score in the next innings to raise the average to 37?
  13. 13.Marks of 6 friends in a quiz: 45, 45, 59, 49, 70, 86. What is their average mark?
  14. 14.A shop sells an average of 69 kg of sugar a day for 2 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.The average weight of 9 children is 37 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 36 kg of sugar a day for 5 days, and then 26 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  17. 17.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)?
  18. 18.Marks of 5 friends in a quiz: 43, 33, 47, 29, 68. What is their average mark?
  19. 19.The average of 9 numbers is 59. When one more number is added, the average becomes 61. What number was added?
  20. 20.A shop sells an average of 60 kg of sugar a day for 4 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.The average of 4 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  22. 22.A shop sells an average of 40 kg of sugar a day for 5 days, and then 26 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.Sneha’s batting average after 11 innings is 21 runs. How many runs must Sneha score in the next innings to raise the average to 26?
  24. 24.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 9 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  26. 26.Ananya’s batting average after 11 innings is 32 runs. How many runs must Ananya score in the next innings to raise the average to 37?
  27. 27.The average weight of 8 children is 29 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Pooja’s batting average after 15 innings is 24 runs. How many runs must Pooja score in the next innings to raise the average to 27?
  29. 29.A shop sells an average of 70 kg of sugar a day for 4 days, and then 64 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.The average weight of 9 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 5 friends in a quiz: 54, 50, 70, 47, 84. What is their average mark?
  32. 32.Dev’s batting average after 8 innings is 21 runs. How many runs must Dev score in the next innings to raise the average to 24?
  33. 33.The average of 7 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  34. 34.A shop sells an average of 35 kg of sugar a day for 6 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.A shop sells an average of 47 kg of sugar a day for 6 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  36. 36.The average of 4 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  37. 37.A shop sells an average of 52 kg of sugar a day for 6 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  38. 38.The average of 5 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  39. 39.The average of 9 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  40. 40.Pooja’s batting average after 7 innings is 39 runs. How many runs must Pooja score in the next innings to raise the average to 40?

Answer key

  1. 28
  2. 39
  3. 55
  4. 51
  5. 43
  6. 63
  7. 32
  8. 38
  9. 28
  10. 38
  11. 27
  12. 82
  13. 59
  14. 37
  15. 34
  16. 31
  17. 27
  18. 44
  19. 79
  20. 58
  21. 33
  22. 33
  23. 81
  24. 43
  25. 105
  26. 92
  27. 26
  28. 72
  29. 68
  30. 41
  31. 61
  32. 48
  33. 56
  34. 42
  35. 45
  36. 65
  37. 60
  38. 56
  39. 36
  40. 47

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