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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 223 · 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 12 children is 41 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Manav’s batting average after 14 innings is 25 runs. How many runs must Manav score in the next innings to raise the average to 30?
  3. 3.Marks of 4 friends in a quiz: 68, 77, 81, 42. What is their average mark?
  4. 4.The average of 8 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  5. 5.The average of 9 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  6. 6.A shop sells an average of 34 kg of sugar a day for 6 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  7. 7.Marks of 6 friends in a quiz: 49, 53, 68, 58, 47, 97. What is their average mark?
  8. 8.A shop sells an average of 52 kg of sugar a day for 6 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  9. 9.Aditya’s batting average after 7 innings is 24 runs. How many runs must Aditya score in the next innings to raise the average to 26?
  10. 10.A shop sells an average of 59 kg of sugar a day for 2 days, and then 47 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.Ananya’s batting average after 13 innings is 23 runs. How many runs must Ananya score in the next innings to raise the average to 24?
  12. 12.The average weight of 7 children is 45 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 64 kg of sugar a day for 5 days, and then 68 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.A shop sells an average of 56 kg of sugar a day for 6 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.Isha’s batting average after 8 innings is 29 runs. How many runs must Isha score in the next innings to raise the average to 33?
  16. 16.Marks of 5 friends in a quiz: 24, 41, 39, 36, 35. What is their average mark?
  17. 17.Marks of 6 friends in a quiz: 35, 18, 28, 33, 36, 18. What is their average mark?
  18. 18.The average of 6 numbers is 53. When one more number is added, the average becomes 58. What number was added?
  19. 19.The average of 5 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  20. 20.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)?
  21. 21.A shop sells an average of 24 kg of sugar a day for 6 days, and then 63 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  22. 22.A shop sells an average of 55 kg of sugar a day for 6 days, and then 45 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.Marks of 5 friends in a quiz: 91, 73, 88, 95, 88. What is their average mark?
  24. 24.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)?
  25. 25.The average of 8 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  26. 26.The average of 8 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  27. 27.Farhan’s batting average after 9 innings is 40 runs. How many runs must Farhan score in the next innings to raise the average to 45?
  28. 28.Marks of 5 friends in a quiz: 76, 77, 60, 63, 89. What is their average mark?
  29. 29.The average of 4 numbers is 44. When one more number is added, the average becomes 49. What number was added?
  30. 30.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)?
  31. 31.Marks of 5 friends in a quiz: 31, 48, 47, 26, 38. What is their average mark?
  32. 32.Marks of 5 friends in a quiz: 54, 62, 44, 71, 59. What is their average mark?
  33. 33.Kabir’s batting average after 6 innings is 36 runs. How many runs must Kabir score in the next innings to raise the average to 40?
  34. 34.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 5 friends in a quiz: 37, 38, 52, 46, 77. What is their average mark?
  36. 36.Aditya’s batting average after 14 innings is 29 runs. How many runs must Aditya score in the next innings to raise the average to 32?
  37. 37.A shop sells an average of 29 kg of sugar a day for 6 days, and then 24 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  38. 38.The average weight of 5 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 weight of 5 children is 33 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Priya’s batting average after 11 innings is 21 runs. How many runs must Priya score in the next innings to raise the average to 25?

Answer key

  1. 38
  2. 100
  3. 67
  4. 112
  5. 43
  6. 35
  7. 62
  8. 62
  9. 40
  10. 50
  11. 37
  12. 44
  13. 66
  14. 57
  15. 65
  16. 35
  17. 28
  18. 88
  19. 79
  20. 30
  21. 37
  22. 51
  23. 87
  24. 32
  25. 31
  26. 51
  27. 90
  28. 73
  29. 69
  30. 42
  31. 38
  32. 58
  33. 64
  34. 33
  35. 50
  36. 74
  37. 27
  38. 43
  39. 31
  40. 69

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