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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 298 · 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.A shop sells an average of 64 kg of sugar a day for 4 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.The average of 5 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  3. 3.The average of 8 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  4. 4.The average weight of 7 children is 35 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 5 children is 40 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 33 kg of sugar a day for 5 days, and then 44 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  7. 7.The average of 8 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  8. 8.The average of 9 numbers is 59. When one more number is added, the average becomes 63. What number was added?
  9. 9.The average weight of 6 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Dev’s batting average after 15 innings is 48 runs. How many runs must Dev score in the next innings to raise the average to 50?
  11. 11.Marks of 4 friends in a quiz: 27, 26, 23, 12. What is their average mark?
  12. 12.The average weight of 9 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Rohan’s batting average after 10 innings is 30 runs. How many runs must Rohan score in the next innings to raise the average to 31?
  14. 14.The average of 5 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  15. 15.The average weight of 6 children is 27 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Kavya’s batting average after 13 innings is 24 runs. How many runs must Kavya score in the next innings to raise the average to 26?
  17. 17.Marks of 5 friends in a quiz: 54, 55, 62, 66, 63. What is their average mark?
  18. 18.A shop sells an average of 51 kg of sugar a day for 4 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.Marks of 5 friends in a quiz: 48, 35, 42, 21, 29. What is their average mark?
  20. 20.The average weight of 8 children is 45 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Dev’s batting average after 5 innings is 47 runs. How many runs must Dev score in the next innings to raise the average to 48?
  22. 22.A shop sells an average of 70 kg of sugar a day for 2 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  23. 23.Marks of 6 friends in a quiz: 93, 98, 88, 95, 77, 59. What is their average mark?
  24. 24.Marks of 5 friends in a quiz: 25, 37, 12, 19, 27. What is their average mark?
  25. 25.The average weight of 10 children is 29 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average weight of 9 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 5 friends in a quiz: 23, 46, 40, 24, 22. What is their average mark?
  28. 28.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 40 kg of sugar a day for 5 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  30. 30.The average weight of 11 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 4 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  32. 32.A shop sells an average of 57 kg of sugar a day for 5 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  33. 33.Marks of 5 friends in a quiz: 60, 65, 64, 55, 31. What is their average mark?
  34. 34.The average weight of 9 children is 35 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 6 friends in a quiz: 82, 83, 92, 73, 88, 98. What is their average mark?
  36. 36.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 5 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  38. 38.The average of 5 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  39. 39.Marks of 6 friends in a quiz: 63, 58, 70, 54, 52, 99. What is their average mark?
  40. 40.Marks of 5 friends in a quiz: 75, 55, 80, 59, 76. What is their average mark?

Answer key

  1. 43
  2. 73
  3. 52
  4. 34
  5. 37
  6. 39
  7. 53
  8. 99
  9. 25
  10. 80
  11. 22
  12. 42
  13. 41
  14. 61
  15. 26
  16. 52
  17. 60
  18. 49
  19. 35
  20. 43
  21. 53
  22. 55
  23. 85
  24. 24
  25. 26
  26. 39
  27. 31
  28. 36
  29. 44
  30. 33
  31. 59
  32. 39
  33. 55
  34. 33
  35. 86
  36. 38
  37. 74
  38. 35
  39. 66
  40. 69

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