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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 474 · 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 of 7 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  2. 2.The average weight of 6 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Arjun’s batting average after 8 innings is 32 runs. How many runs must Arjun score in the next innings to raise the average to 36?
  5. 5.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 5 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  7. 7.Marks of 5 friends in a quiz: 73, 73, 91, 93, 60. What is their average mark?
  8. 8.A shop sells an average of 21 kg of sugar a day for 6 days, and then 65 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  9. 9.The average weight of 6 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 5 friends in a quiz: 100, 93, 100, 96, 41. What is their average mark?
  11. 11.A shop sells an average of 48 kg of sugar a day for 2 days, and then 44 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 26, 27, 26, 69. What is their average mark?
  13. 13.The average of 7 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  14. 14.The average of 4 numbers is 55. When one more number is added, the average becomes 61. What number was added?
  15. 15.Marks of 4 friends in a quiz: 9, 34, 9, 36. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 31, 28, 38, 67. What is their average mark?
  17. 17.The average of 5 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  18. 18.Aditya’s batting average after 7 innings is 26 runs. How many runs must Aditya score in the next innings to raise the average to 31?
  19. 19.Aarav’s batting average after 12 innings is 25 runs. How many runs must Aarav score in the next innings to raise the average to 30?
  20. 20.Marks of 4 friends in a quiz: 37, 41, 25, 57. What is their average mark?
  21. 21.Marks of 4 friends in a quiz: 47, 46, 40, 51. What is their average mark?
  22. 22.A shop sells an average of 32 kg of sugar a day for 3 days, and then 25 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  23. 23.The average weight of 6 children is 39 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 45 kg of sugar a day for 4 days, and then 75 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.A shop sells an average of 44 kg of sugar a day for 2 days, and then 71 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.Aditya’s batting average after 11 innings is 42 runs. How many runs must Aditya score in the next innings to raise the average to 44?
  27. 27.Nisha’s batting average after 14 innings is 42 runs. How many runs must Nisha score in the next innings to raise the average to 45?
  28. 28.The average of 4 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  29. 29.The average weight of 8 children is 34 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 5 friends in a quiz: 78, 72, 53, 77, 60. What is their average mark?
  31. 31.The average weight of 9 children is 27 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 10 children is 41 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 4 numbers is 56. When one more number is added, the average becomes 61. What number was added?
  34. 34.Ananya’s batting average after 6 innings is 38 runs. How many runs must Ananya score in the next innings to raise the average to 43?
  35. 35.The average weight of 10 children is 30 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 5 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average weight of 10 children is 35 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 9 children is 45 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 6 numbers is 24. When one more number is added, the average becomes 28. What number was added?
  40. 40.Marks of 5 friends in a quiz: 34, 24, 51, 47, 29. What is their average mark?

Answer key

  1. 64
  2. 30
  3. 40
  4. 68
  5. 31
  6. 43
  7. 78
  8. 41
  9. 29
  10. 86
  11. 46
  12. 37
  13. 105
  14. 85
  15. 22
  16. 41
  17. 45
  18. 66
  19. 90
  20. 40
  21. 46
  22. 28
  23. 36
  24. 60
  25. 62
  26. 66
  27. 87
  28. 62
  29. 33
  30. 68
  31. 25
  32. 38
  33. 81
  34. 73
  35. 27
  36. 42
  37. 34
  38. 44
  39. 52
  40. 37

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