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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 74 · 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 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 8 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  3. 3.A shop sells an average of 59 kg of sugar a day for 4 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.The average of 8 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  5. 5.Marks of 6 friends in a quiz: 33, 44, 48, 40, 49, 8. What is their average mark?
  6. 6.Marks of 5 friends in a quiz: 62, 58, 41, 61, 48. What is their average mark?
  7. 7.Marks of 6 friends in a quiz: 96, 68, 79, 70, 88, 97. What is their average mark?
  8. 8.The average weight of 7 children is 47 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 11 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 26 kg of sugar a day for 3 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.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)?
  12. 12.A shop sells an average of 56 kg of sugar a day for 2 days, and then 64 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.Priya’s batting average after 5 innings is 50 runs. How many runs must Priya score in the next innings to raise the average to 55?
  14. 14.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 6 numbers is 15. When one more number is added, the average becomes 18. What number was added?
  16. 16.The average weight of 10 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 71 kg of sugar a day for 3 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.Marks of 6 friends in a quiz: 65, 68, 68, 57, 66, 72. What is their average mark?
  19. 19.A shop sells an average of 22 kg of sugar a day for 3 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.Isha’s batting average after 11 innings is 48 runs. How many runs must Isha score in the next innings to raise the average to 49?
  21. 21.The average weight of 12 children is 35 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 5 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  23. 23.Ishaan’s batting average after 5 innings is 27 runs. How many runs must Ishaan score in the next innings to raise the average to 30?
  24. 24.The average weight of 8 children is 38 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 9 numbers is 36. When one more number is added, the average becomes 39. What number was added?
  26. 26.The average of 7 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  27. 27.The average of 4 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  28. 28.A shop sells an average of 38 kg of sugar a day for 6 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  29. 29.The average weight of 10 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 8 children is 28 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Zoya’s batting average after 12 innings is 45 runs. How many runs must Zoya score in the next innings to raise the average to 49?
  32. 32.A shop sells an average of 72 kg of sugar a day for 2 days, and then 62 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  33. 33.The average weight of 8 children is 46 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 6 friends in a quiz: 62, 46, 52, 45, 64, 61. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 38, 47, 54, 41, 43, 95. What is their average mark?
  36. 36.Marks of 6 friends in a quiz: 64, 36, 39, 52, 38, 65. What is their average mark?
  37. 37.The average weight of 6 children is 40 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 10 children is 27 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 9 numbers is 59. When one more number is added, the average becomes 63. What number was added?
  40. 40.The average of 9 numbers is 19. When one more number is added, the average becomes 24. What number was added?

Answer key

  1. 28
  2. 43
  3. 63
  4. 62
  5. 37
  6. 54
  7. 83
  8. 45
  9. 37
  10. 29
  11. 27
  12. 60
  13. 80
  14. 35
  15. 36
  16. 28
  17. 53
  18. 66
  19. 28
  20. 60
  21. 34
  22. 56
  23. 45
  24. 37
  25. 66
  26. 66
  27. 39
  28. 33
  29. 32
  30. 27
  31. 97
  32. 66
  33. 44
  34. 55
  35. 53
  36. 49
  37. 39
  38. 25
  39. 99
  40. 69

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