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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 279 · 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 5 children is 35 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 8 children is 32 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 5 friends in a quiz: 23, 30, 30, 46, 51. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 20, 23, 39, 24, 49. What is their average mark?
  5. 5.Marks of 5 friends in a quiz: 74, 84, 94, 84, 59. What is their average mark?
  6. 6.A shop sells an average of 57 kg of sugar a day for 3 days, and then 65 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  7. 7.Marks of 6 friends in a quiz: 60, 48, 67, 70, 59, 56. What is their average mark?
  8. 8.The average weight of 6 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 25 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)?
  10. 10.The average weight of 9 children is 43 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 5 friends in a quiz: 27, 33, 34, 47, 49. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 31, 52, 26, 43. What is their average mark?
  13. 13.Marks of 5 friends in a quiz: 63, 53, 50, 44, 50. What is their average mark?
  14. 14.The average of 7 numbers is 37. When one more number is added, the average becomes 42. What number was added?
  15. 15.Marks of 4 friends in a quiz: 16, 17, 17, 34. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 52, 27, 34, 39. What is their average mark?
  17. 17.The average of 5 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  18. 18.A shop sells an average of 29 kg of sugar a day for 3 days, and then 79 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.Priya’s batting average after 10 innings is 22 runs. How many runs must Priya score in the next innings to raise the average to 24?
  20. 20.A shop sells an average of 55 kg of sugar a day for 4 days, and then 65 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 8 children is 32 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 6 friends in a quiz: 76, 59, 70, 75, 72, 26. What is their average mark?
  24. 24.The average weight of 12 children is 46 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 5 friends in a quiz: 77, 82, 68, 75, 93. What is their average mark?
  26. 26.The average of 6 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  27. 27.Marks of 5 friends in a quiz: 80, 87, 87, 66, 85. What is their average mark?
  28. 28.Marks of 6 friends in a quiz: 36, 61, 61, 61, 41, 40. What is their average mark?
  29. 29.Isha’s batting average after 7 innings is 20 runs. How many runs must Isha score in the next innings to raise the average to 22?
  30. 30.The average of 5 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  31. 31.The average weight of 8 children is 31 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 31 kg of sugar a day for 4 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.The average of 9 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  34. 34.The average weight of 12 children is 28 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 37 kg of sugar a day for 3 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.Marks of 6 friends in a quiz: 36, 15, 29, 23, 18, 59. What is their average mark?
  37. 37.The average weight of 8 children is 26 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 6 friends in a quiz: 60, 73, 50, 44, 68, 53. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 35, 50, 48, 47. What is their average mark?
  40. 40.Arjun’s batting average after 14 innings is 47 runs. How many runs must Arjun score in the next innings to raise the average to 49?

Answer key

  1. 34
  2. 31
  3. 36
  4. 31
  5. 79
  6. 61
  7. 60
  8. 41
  9. 51
  10. 40
  11. 38
  12. 38
  13. 52
  14. 77
  15. 21
  16. 38
  17. 39
  18. 54
  19. 44
  20. 60
  21. 43
  22. 29
  23. 63
  24. 45
  25. 79
  26. 27
  27. 81
  28. 50
  29. 36
  30. 69
  31. 29
  32. 40
  33. 74
  34. 27
  35. 29
  36. 30
  37. 25
  38. 58
  39. 45
  40. 77

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