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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 591 · 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 11 children is 27 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Sneha’s batting average after 13 innings is 30 runs. How many runs must Sneha score in the next innings to raise the average to 34?
  3. 3.A shop sells an average of 55 kg of sugar a day for 6 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.The average of 7 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  5. 5.Kavya’s batting average after 14 innings is 45 runs. How many runs must Kavya score in the next innings to raise the average to 49?
  6. 6.Marks of 6 friends in a quiz: 44, 52, 40, 43, 47, 62. What is their average mark?
  7. 7.Kabir’s batting average after 5 innings is 39 runs. How many runs must Kabir score in the next innings to raise the average to 44?
  8. 8.The average of 4 numbers is 58. When one more number is added, the average becomes 63. What number was added?
  9. 9.The average weight of 5 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 6 friends in a quiz: 80, 76, 83, 75, 67, 27. What is their average mark?
  11. 11.A shop sells an average of 44 kg of sugar a day for 2 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 50, 51, 27, 20. What is their average mark?
  13. 13.Marks of 4 friends in a quiz: 42, 39, 18, 25. What is their average mark?
  14. 14.The average weight of 9 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 5 friends in a quiz: 75, 89, 81, 67, 98. What is their average mark?
  16. 16.Marks of 5 friends in a quiz: 34, 32, 45, 27, 67. What is their average mark?
  17. 17.The average of 5 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  18. 18.Marks of 5 friends in a quiz: 49, 50, 48, 55, 28. What is their average mark?
  19. 19.Marks of 5 friends in a quiz: 34, 32, 26, 33, 50. What is their average mark?
  20. 20.The average weight of 5 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 7 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  22. 22.Dev’s batting average after 13 innings is 25 runs. How many runs must Dev score in the next innings to raise the average to 28?
  23. 23.A shop sells an average of 62 kg of sugar a day for 6 days, and then 46 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Priya’s batting average after 13 innings is 22 runs. How many runs must Priya score in the next innings to raise the average to 27?
  25. 25.Marks of 4 friends in a quiz: 36, 11, 12, 33. What is their average mark?
  26. 26.Arjun’s batting average after 14 innings is 44 runs. How many runs must Arjun score in the next innings to raise the average to 46?
  27. 27.The average of 5 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  28. 28.The average of 4 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  29. 29.The average weight of 5 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.A shop sells an average of 63 kg of sugar a day for 4 days, and then 49 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 weight of 5 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Ishaan’s batting average after 5 innings is 20 runs. How many runs must Ishaan score in the next innings to raise the average to 25?
  33. 33.Marks of 6 friends in a quiz: 33, 32, 28, 27, 28, 50. What is their average mark?
  34. 34.Marks of 6 friends in a quiz: 44, 43, 32, 22, 46, 35. What is their average mark?
  35. 35.The average of 6 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  36. 36.The average weight of 10 children is 37 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 7 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  38. 38.A shop sells an average of 21 kg of sugar a day for 4 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.The average weight of 11 children is 34 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 7 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 25
  2. 86
  3. 60
  4. 105
  5. 105
  6. 48
  7. 69
  8. 83
  9. 33
  10. 68
  11. 42
  12. 37
  13. 31
  14. 40
  15. 82
  16. 41
  17. 28
  18. 46
  19. 35
  20. 39
  21. 52
  22. 67
  23. 58
  24. 92
  25. 23
  26. 74
  27. 31
  28. 34
  29. 29
  30. 56
  31. 25
  32. 50
  33. 33
  34. 37
  35. 39
  36. 34
  37. 27
  38. 30
  39. 32
  40. 37

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