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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 168 · 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.Marks of 5 friends in a quiz: 47, 25, 34, 22, 42. What is their average mark?
  2. 2.A shop sells an average of 56 kg of sugar a day for 2 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.The average weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 5 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  5. 5.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 4 friends in a quiz: 102, 75, 85, 90. What is their average mark?
  7. 7.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 6 friends in a quiz: 18, 27, 21, 38, 10, 30. What is their average mark?
  9. 9.The average of 6 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  10. 10.The average weight of 8 children is 46 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Pooja’s batting average after 7 innings is 31 runs. How many runs must Pooja score in the next innings to raise the average to 33?
  12. 12.Marks of 6 friends in a quiz: 73, 71, 76, 69, 61, 82. What is their average mark?
  13. 13.Marks of 4 friends in a quiz: 47, 68, 48, 77. What is their average mark?
  14. 14.Dev’s batting average after 15 innings is 35 runs. How many runs must Dev score in the next innings to raise the average to 40?
  15. 15.Marks of 6 friends in a quiz: 56, 57, 78, 65, 59, 81. What is their average mark?
  16. 16.A shop sells an average of 22 kg of sugar a day for 5 days, and then 48 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 10 children is 36 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 27 kg of sugar a day for 5 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  19. 19.A shop sells an average of 40 kg of sugar a day for 4 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 81, 78, 83, 86. What is their average mark?
  21. 21.The average of 9 numbers is 24. When one more number is added, the average becomes 28. What number was added?
  22. 22.Marks of 4 friends in a quiz: 32, 38, 15, 11. What is their average mark?
  23. 23.A shop sells an average of 35 kg of sugar a day for 5 days, and then 33 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  24. 24.The average of 6 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  25. 25.Marks of 4 friends in a quiz: 40, 31, 46, 23. What is their average mark?
  26. 26.Pooja’s batting average after 5 innings is 30 runs. How many runs must Pooja score in the next innings to raise the average to 32?
  27. 27.A shop sells an average of 78 kg of sugar a day for 2 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  28. 28.A shop sells an average of 21 kg of sugar a day for 2 days, and then 56 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  29. 29.The average weight of 12 children is 36 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 6 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.A shop sells an average of 39 kg of sugar a day for 6 days, and then 49 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  32. 32.Dev’s batting average after 5 innings is 24 runs. How many runs must Dev score in the next innings to raise the average to 26?
  33. 33.The average of 6 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  34. 34.Marks of 4 friends in a quiz: 74, 71, 59, 84. What is their average mark?
  35. 35.Marks of 5 friends in a quiz: 42, 32, 34, 23, 44. What is their average mark?
  36. 36.Ananya’s batting average after 12 innings is 34 runs. How many runs must Ananya score in the next innings to raise the average to 36?
  37. 37.The average of 7 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  38. 38.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 4 friends in a quiz: 47, 56, 71, 58. What is their average mark?
  40. 40.The average of 5 numbers is 40. When one more number is added, the average becomes 45. What number was added?

Answer key

  1. 34
  2. 41
  3. 39
  4. 39
  5. 44
  6. 88
  7. 27
  8. 24
  9. 66
  10. 45
  11. 47
  12. 72
  13. 60
  14. 115
  15. 66
  16. 35
  17. 35
  18. 31
  19. 38
  20. 82
  21. 64
  22. 24
  23. 34
  24. 49
  25. 35
  26. 42
  27. 57
  28. 46
  29. 34
  30. 27
  31. 43
  32. 36
  33. 48
  34. 72
  35. 35
  36. 60
  37. 44
  38. 30
  39. 58
  40. 70

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