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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 617 · 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 5 children is 45 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 11 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 23 kg of sugar a day for 3 days, and then 31 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.The average of 4 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  5. 5.The average of 5 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  6. 6.Marks of 4 friends in a quiz: 83, 90, 81, 46. What is their average mark?
  7. 7.The average of 9 numbers is 52. When one more number is added, the average becomes 58. What number was added?
  8. 8.A shop sells an average of 24 kg of sugar a day for 6 days, and then 78 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  9. 9.The average of 7 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  10. 10.A shop sells an average of 64 kg of sugar a day for 4 days, and then 60 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.A shop sells an average of 50 kg of sugar a day for 6 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.The average weight of 6 children is 28 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Rohan’s batting average after 13 innings is 48 runs. How many runs must Rohan score in the next innings to raise the average to 49?
  14. 14.The average of 8 numbers is 34. When one more number is added, the average becomes 40. What number was added?
  15. 15.A shop sells an average of 68 kg of sugar a day for 6 days, and then 47 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  16. 16.The average of 4 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  17. 17.A shop sells an average of 74 kg of sugar a day for 6 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  18. 18.The average of 6 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  19. 19.A shop sells an average of 24 kg of sugar a day for 6 days, and then 54 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  20. 20.Kabir’s batting average after 10 innings is 44 runs. How many runs must Kabir score in the next innings to raise the average to 45?
  21. 21.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.A shop sells an average of 36 kg of sugar a day for 3 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  23. 23.A shop sells an average of 77 kg of sugar a day for 2 days, and then 33 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Marks of 6 friends in a quiz: 88, 77, 92, 92, 100, 91. What is their average mark?
  25. 25.Marks of 6 friends in a quiz: 40, 29, 38, 25, 51, 45. What is their average mark?
  26. 26.Marks of 5 friends in a quiz: 27, 13, 10, 13, 37. What is their average mark?
  27. 27.Diya’s batting average after 6 innings is 29 runs. How many runs must Diya score in the next innings to raise the average to 30?
  28. 28.The average of 6 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  29. 29.A shop sells an average of 66 kg of sugar a day for 6 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 32, 39, 30, 43, 56. What is their average mark?
  31. 31.Marks of 4 friends in a quiz: 63, 44, 47, 66. What is their average mark?
  32. 32.A shop sells an average of 54 kg of sugar a day for 4 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  33. 33.The average of 5 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  34. 34.A shop sells an average of 77 kg of sugar a day for 4 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average weight of 7 children is 31 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 5 friends in a quiz: 27, 53, 34, 26, 65. What is their average mark?
  37. 37.Marks of 5 friends in a quiz: 39, 37, 20, 44, 35. What is their average mark?
  38. 38.A shop sells an average of 78 kg of sugar a day for 2 days, and then 46 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  39. 39.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 11 children is 28 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 44
  2. 29
  3. 28
  4. 49
  5. 32
  6. 75
  7. 112
  8. 51
  9. 45
  10. 62
  11. 51
  12. 25
  13. 62
  14. 88
  15. 61
  16. 44
  17. 62
  18. 51
  19. 34
  20. 55
  21. 40
  22. 32
  23. 44
  24. 90
  25. 38
  26. 20
  27. 36
  28. 66
  29. 58
  30. 40
  31. 55
  32. 36
  33. 76
  34. 59
  35. 30
  36. 41
  37. 35
  38. 62
  39. 45
  40. 26

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