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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 440 · 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 8 children is 43 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 8 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  3. 3.Manav’s batting average after 7 innings is 43 runs. How many runs must Manav score in the next innings to raise the average to 48?
  4. 4.Marks of 5 friends in a quiz: 48, 46, 30, 54, 47. What is their average mark?
  5. 5.The average of 7 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  6. 6.The average weight of 9 children is 44 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 4 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  8. 8.The average of 8 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  9. 9.The average weight of 12 children is 42 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 6 children is 48 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average weight of 10 children is 44 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 6 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  14. 14.The average weight of 9 children is 37 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 5 friends in a quiz: 76, 78, 74, 85, 57. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 52, 58, 41, 49. What is their average mark?
  17. 17.Marks of 6 friends in a quiz: 46, 45, 60, 48, 40, 85. What is their average mark?
  18. 18.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)?
  19. 19.Aditya’s batting average after 5 innings is 20 runs. How many runs must Aditya score in the next innings to raise the average to 25?
  20. 20.Arjun’s batting average after 7 innings is 48 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  21. 21.A shop sells an average of 22 kg of sugar a day for 3 days, and then 34 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 53, 50, 66, 39. What is their average mark?
  23. 23.The average of 4 numbers is 21. When one more number is added, the average becomes 27. What number was added?
  24. 24.Ananya’s batting average after 15 innings is 45 runs. How many runs must Ananya score in the next innings to raise the average to 48?
  25. 25.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 6 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  27. 27.A shop sells an average of 41 kg of sugar a day for 6 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  28. 28.A shop sells an average of 25 kg of sugar a day for 6 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  29. 29.Marks of 4 friends in a quiz: 48, 72, 72, 48. What is their average mark?
  30. 30.A shop sells an average of 56 kg of sugar a day for 4 days, and then 38 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.The average of 8 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  32. 32.Marks of 4 friends in a quiz: 30, 37, 22, 27. What is their average mark?
  33. 33.The average of 6 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  34. 34.Sneha’s batting average after 5 innings is 45 runs. How many runs must Sneha score in the next innings to raise the average to 49?
  35. 35.The average weight of 8 children is 41 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 6 friends in a quiz: 95, 76, 90, 79, 73, 67. What is their average mark?
  37. 37.The average of 5 numbers is 46. When one more number is added, the average becomes 52. What number was added?
  38. 38.Kavya’s batting average after 8 innings is 45 runs. How many runs must Kavya score in the next innings to raise the average to 47?
  39. 39.The average of 9 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  40. 40.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 41
  2. 83
  3. 83
  4. 45
  5. 62
  6. 42
  7. 49
  8. 24
  9. 41
  10. 45
  11. 43
  12. 32
  13. 57
  14. 34
  15. 74
  16. 50
  17. 54
  18. 30
  19. 50
  20. 72
  21. 28
  22. 52
  23. 51
  24. 93
  25. 37
  26. 88
  27. 37
  28. 41
  29. 60
  30. 47
  31. 70
  32. 29
  33. 29
  34. 69
  35. 38
  36. 80
  37. 82
  38. 63
  39. 103
  40. 30

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