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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 283 · 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 7 children is 38 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 6 friends in a quiz: 52, 52, 51, 46, 52, 65. What is their average mark?
  3. 3.Marks of 6 friends in a quiz: 74, 63, 64, 83, 69, 85. What is their average mark?
  4. 4.A shop sells an average of 59 kg of sugar a day for 4 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.The average weight of 11 children is 32 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 6 children is 34 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 8 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  8. 8.Marks of 6 friends in a quiz: 38, 26, 24, 42, 42, 26. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 101, 96, 97, 84, 72. What is their average mark?
  10. 10.A shop sells an average of 41 kg of sugar a day for 3 days, and then 65 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.Marks of 4 friends in a quiz: 72, 73, 76, 71. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 42, 38, 36, 40. What is their average mark?
  13. 13.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Aditya’s batting average after 11 innings is 48 runs. How many runs must Aditya score in the next innings to raise the average to 52?
  15. 15.Aditya’s batting average after 15 innings is 43 runs. How many runs must Aditya score in the next innings to raise the average to 48?
  16. 16.The average of 6 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  17. 17.Diya’s batting average after 11 innings is 49 runs. How many runs must Diya score in the next innings to raise the average to 52?
  18. 18.Marks of 4 friends in a quiz: 51, 46, 48, 95. What is their average mark?
  19. 19.The average of 5 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  20. 20.The average weight of 10 children is 42 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 12 children is 45 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 4 friends in a quiz: 41, 36, 56, 51. What is their average mark?
  23. 23.Dev’s batting average after 9 innings is 23 runs. How many runs must Dev score in the next innings to raise the average to 25?
  24. 24.Aarav’s batting average after 6 innings is 48 runs. How many runs must Aarav score in the next innings to raise the average to 50?
  25. 25.Marks of 6 friends in a quiz: 43, 49, 68, 51, 42, 71. What is their average mark?
  26. 26.The average weight of 12 children is 31 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 4 friends in a quiz: 42, 42, 43, 45. What is their average mark?
  28. 28.The average weight of 8 children is 39 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 5 friends in a quiz: 66, 83, 67, 83, 86. What is their average mark?
  30. 30.The average of 9 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  31. 31.The average weight of 12 children is 27 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 6 numbers is 51. When one more number is added, the average becomes 56. What number was added?
  33. 33.The average of 4 numbers is 31. When one more number is added, the average becomes 34. What number was added?
  34. 34.The average weight of 6 children is 29 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 62 kg of sugar a day for 3 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.The average weight of 9 children is 43 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 5 friends in a quiz: 70, 75, 69, 74, 52. What is their average mark?
  39. 39.Sneha’s batting average after 6 innings is 49 runs. How many runs must Sneha score in the next innings to raise the average to 51?
  40. 40.The average weight of 6 children is 37 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 37
  2. 53
  3. 73
  4. 44
  5. 30
  6. 31
  7. 107
  8. 33
  9. 90
  10. 53
  11. 73
  12. 39
  13. 45
  14. 96
  15. 123
  16. 51
  17. 85
  18. 60
  19. 35
  20. 39
  21. 42
  22. 46
  23. 43
  24. 62
  25. 54
  26. 29
  27. 43
  28. 36
  29. 77
  30. 66
  31. 25
  32. 86
  33. 46
  34. 28
  35. 26
  36. 44
  37. 40
  38. 68
  39. 63
  40. 34

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