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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 287 · 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 9 children is 28 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 7 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Aditya’s batting average after 5 innings is 35 runs. How many runs must Aditya score in the next innings to raise the average to 39?
  4. 4.Zoya’s batting average after 14 innings is 33 runs. How many runs must Zoya score in the next innings to raise the average to 34?
  5. 5.Arjun’s batting average after 15 innings is 40 runs. How many runs must Arjun score in the next innings to raise the average to 42?
  6. 6.A shop sells an average of 79 kg of sugar a day for 2 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  7. 7.Marks of 5 friends in a quiz: 82, 52, 52, 67, 82. What is their average mark?
  8. 8.The average of 4 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  9. 9.The average weight of 10 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 79 kg of sugar a day for 2 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.Marks of 4 friends in a quiz: 52, 74, 62, 64. What is their average mark?
  12. 12.A shop sells an average of 29 kg of sugar a day for 2 days, and then 38 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.A shop sells an average of 46 kg of sugar a day for 4 days, and then 21 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.Marks of 6 friends in a quiz: 79, 83, 88, 71, 98, 79. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 54, 57, 40, 21. What is their average mark?
  16. 16.A shop sells an average of 28 kg of sugar a day for 3 days, and then 74 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.Diya’s batting average after 7 innings is 31 runs. How many runs must Diya score in the next innings to raise the average to 33?
  18. 18.A shop sells an average of 45 kg of sugar a day for 6 days, and then 30 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  19. 19.Marks of 5 friends in a quiz: 30, 28, 32, 14, 21. What is their average mark?
  20. 20.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)?
  21. 21.Pooja’s batting average after 11 innings is 48 runs. How many runs must Pooja score in the next innings to raise the average to 52?
  22. 22.Diya’s batting average after 9 innings is 36 runs. How many runs must Diya score in the next innings to raise the average to 41?
  23. 23.The average of 4 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  24. 24.The average of 4 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  25. 25.Marks of 4 friends in a quiz: 40, 30, 40, 34. What is their average mark?
  26. 26.Kavya’s batting average after 9 innings is 30 runs. How many runs must Kavya score in the next innings to raise the average to 32?
  27. 27.Rahul’s batting average after 6 innings is 42 runs. How many runs must Rahul score in the next innings to raise the average to 43?
  28. 28.The average of 7 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  29. 29.Ishaan’s batting average after 12 innings is 26 runs. How many runs must Ishaan score in the next innings to raise the average to 30?
  30. 30.Marks of 4 friends in a quiz: 31, 31, 41, 73. What is their average mark?
  31. 31.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)?
  32. 32.Marks of 5 friends in a quiz: 74, 75, 55, 60, 71. What is their average mark?
  33. 33.Marks of 6 friends in a quiz: 32, 30, 34, 28, 18, 20. What is their average mark?
  34. 34.A shop sells an average of 62 kg of sugar a day for 6 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.A shop sells an average of 29 kg of sugar a day for 6 days, and then 62 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  36. 36.A shop sells an average of 55 kg of sugar a day for 6 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  37. 37.Manav’s batting average after 10 innings is 47 runs. How many runs must Manav score in the next innings to raise the average to 48?
  38. 38.A shop sells an average of 42 kg of sugar a day for 2 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 52, 50, 76, 54, 88. What is their average mark?
  40. 40.Dev’s batting average after 9 innings is 37 runs. How many runs must Dev score in the next innings to raise the average to 40?

Answer key

  1. 25
  2. 41
  3. 59
  4. 48
  5. 72
  6. 78
  7. 67
  8. 47
  9. 31
  10. 73
  11. 63
  12. 35
  13. 31
  14. 83
  15. 43
  16. 51
  17. 47
  18. 40
  19. 25
  20. 35
  21. 96
  22. 86
  23. 50
  24. 48
  25. 36
  26. 50
  27. 49
  28. 75
  29. 78
  30. 44
  31. 36
  32. 67
  33. 27
  34. 61
  35. 40
  36. 57
  37. 58
  38. 35
  39. 64
  40. 67

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