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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 62 · 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.Marks of 4 friends in a quiz: 102, 72, 86, 88. What is their average mark?
  2. 2.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 9 children is 35 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 52 kg of sugar a day for 6 days, and then 22 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  5. 5.A shop sells an average of 20 kg of sugar a day for 6 days, and then 52 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  6. 6.The average weight of 10 children is 39 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Kabir’s batting average after 15 innings is 39 runs. How many runs must Kabir score in the next innings to raise the average to 40?
  8. 8.The average of 5 numbers is 29. When one more number is added, the average becomes 33. What number was added?
  9. 9.Ishaan’s batting average after 10 innings is 25 runs. How many runs must Ishaan score in the next innings to raise the average to 26?
  10. 10.The average of 7 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  11. 11.Marks of 5 friends in a quiz: 88, 72, 75, 86, 54. What is their average mark?
  12. 12.The average of 5 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  13. 13.Rahul’s batting average after 12 innings is 28 runs. How many runs must Rahul score in the next innings to raise the average to 32?
  14. 14.Marks of 6 friends in a quiz: 23, 17, 17, 22, 34, 73. What is their average mark?
  15. 15.The average weight of 7 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 5 friends in a quiz: 45, 51, 32, 44, 53. What is their average mark?
  17. 17.The average weight of 5 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 60 kg of sugar a day for 6 days, and then 39 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  19. 19.Manav’s batting average after 11 innings is 34 runs. How many runs must Manav score in the next innings to raise the average to 37?
  20. 20.A shop sells an average of 23 kg of sugar a day for 2 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  21. 21.Manav’s batting average after 9 innings is 23 runs. How many runs must Manav score in the next innings to raise the average to 25?
  22. 22.The average of 4 numbers is 53. When one more number is added, the average becomes 58. What number was added?
  23. 23.The average of 5 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  24. 24.Marks of 6 friends in a quiz: 22, 32, 27, 34, 17, 24. What is their average mark?
  25. 25.The average weight of 6 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average weight of 12 children is 40 kg. One child, who weighs 73 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Dev’s batting average after 14 innings is 26 runs. How many runs must Dev score in the next innings to raise the average to 30?
  28. 28.Marks of 6 friends in a quiz: 35, 56, 55, 34, 48, 30. What is their average mark?
  29. 29.Marks of 5 friends in a quiz: 23, 47, 34, 36, 50. What is their average mark?
  30. 30.Marks of 5 friends in a quiz: 67, 58, 61, 46, 58. What is their average mark?
  31. 31.The average of 4 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  32. 32.Meera’s batting average after 7 innings is 24 runs. How many runs must Meera score in the next innings to raise the average to 26?
  33. 33.Marks of 5 friends in a quiz: 68, 72, 56, 66, 28. What is their average mark?
  34. 34.Marks of 6 friends in a quiz: 71, 63, 84, 88, 68, 88. What is their average mark?
  35. 35.Meera’s batting average after 9 innings is 36 runs. How many runs must Meera score in the next innings to raise the average to 38?
  36. 36.The average of 4 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  37. 37.Marks of 5 friends in a quiz: 81, 97, 75, 75, 92. What is their average mark?
  38. 38.A shop sells an average of 77 kg of sugar a day for 5 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 11, 32, 24, 20, 33. What is their average mark?
  40. 40.The average of 9 numbers is 30. When one more number is added, the average becomes 34. What number was added?

Answer key

  1. 87
  2. 30
  3. 33
  4. 42
  5. 36
  6. 36
  7. 55
  8. 53
  9. 36
  10. 48
  11. 75
  12. 57
  13. 80
  14. 31
  15. 34
  16. 45
  17. 28
  18. 53
  19. 70
  20. 33
  21. 43
  22. 78
  23. 84
  24. 26
  25. 34
  26. 37
  27. 86
  28. 43
  29. 38
  30. 58
  31. 32
  32. 40
  33. 58
  34. 77
  35. 56
  36. 31
  37. 84
  38. 61
  39. 24
  40. 70

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