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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 540 · 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.A shop sells an average of 62 kg of sugar a day for 2 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  2. 2.The average of 8 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  3. 3.The average of 5 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  4. 4.Marks of 6 friends in a quiz: 54, 51, 71, 58, 59, 97. What is their average mark?
  5. 5.Marks of 4 friends in a quiz: 23, 43, 24, 62. What is their average mark?
  6. 6.A shop sells an average of 57 kg of sugar a day for 2 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  7. 7.Arjun’s batting average after 14 innings is 25 runs. How many runs must Arjun score in the next innings to raise the average to 26?
  8. 8.Marks of 6 friends in a quiz: 47, 59, 52, 66, 51, 85. What is their average mark?
  9. 9.The average weight of 11 children is 28 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 6 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 7 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  12. 12.Marks of 6 friends in a quiz: 50, 46, 44, 33, 27, 40. What is their average mark?
  13. 13.A shop sells an average of 28 kg of sugar a day for 2 days, and then 68 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  14. 14.A shop sells an average of 48 kg of sugar a day for 6 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.Marks of 6 friends in a quiz: 52, 57, 68, 62, 75, 88. What is their average mark?
  16. 16.The average of 4 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  17. 17.Marks of 5 friends in a quiz: 34, 34, 32, 41, 34. What is their average mark?
  18. 18.A shop sells an average of 77 kg of sugar a day for 2 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  19. 19.Marks of 5 friends in a quiz: 45, 43, 65, 47, 90. What is their average mark?
  20. 20.Priya’s batting average after 14 innings is 49 runs. How many runs must Priya score in the next innings to raise the average to 51?
  21. 21.Marks of 6 friends in a quiz: 59, 47, 53, 76, 55, 76. What is their average mark?
  22. 22.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 9 children is 46 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 4 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  25. 25.A shop sells an average of 29 kg of sugar a day for 3 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  26. 26.The average weight of 10 children is 44 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 10 children is 27 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 5 friends in a quiz: 38, 46, 26, 38, 42. What is their average mark?
  29. 29.The average weight of 7 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  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.The average of 9 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  32. 32.The average of 8 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  33. 33.A shop sells an average of 60 kg of sugar a day for 2 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.The average weight of 9 children is 37 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 8 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  36. 36.Marks of 6 friends in a quiz: 68, 39, 57, 57, 51, 52. What is their average mark?
  37. 37.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 12 children is 35 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 4 friends in a quiz: 54, 47, 58, 89. What is their average mark?
  40. 40.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 37
  2. 35
  3. 42
  4. 65
  5. 38
  6. 42
  7. 40
  8. 60
  9. 26
  10. 31
  11. 57
  12. 40
  13. 52
  14. 58
  15. 67
  16. 57
  17. 35
  18. 50
  19. 58
  20. 79
  21. 61
  22. 30
  23. 43
  24. 86
  25. 49
  26. 43
  27. 25
  28. 38
  29. 41
  30. 42
  31. 99
  32. 28
  33. 68
  34. 35
  35. 57
  36. 54
  37. 26
  38. 32
  39. 62
  40. 26

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