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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 60 · 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 6 friends in a quiz: 53, 76, 77, 52, 61, 83. What is their average mark?
  2. 2.The average weight of 7 children is 42 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 67 kg of sugar a day for 2 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.The average of 8 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  5. 5.Marks of 4 friends in a quiz: 33, 34, 8, 9. What is their average mark?
  6. 6.Pooja’s batting average after 7 innings is 48 runs. How many runs must Pooja score in the next innings to raise the average to 50?
  7. 7.Ananya’s batting average after 11 innings is 42 runs. How many runs must Ananya score in the next innings to raise the average to 43?
  8. 8.The average of 6 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  9. 9.Marks of 5 friends in a quiz: 68, 72, 93, 73, 99. What is their average mark?
  10. 10.A shop sells an average of 75 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)?
  11. 11.A shop sells an average of 23 kg of sugar a day for 6 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 90, 66, 92, 72. What is their average mark?
  13. 13.A shop sells an average of 49 kg of sugar a day for 5 days, and then 21 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.A shop sells an average of 47 kg of sugar a day for 4 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  15. 15.The average weight of 11 children is 40 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 25 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)?
  17. 17.A shop sells an average of 27 kg of sugar a day for 4 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.Aditya’s batting average after 8 innings is 26 runs. How many runs must Aditya score in the next innings to raise the average to 27?
  19. 19.Isha’s batting average after 14 innings is 45 runs. How many runs must Isha score in the next innings to raise the average to 47?
  20. 20.The average weight of 8 children is 31 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 4 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  23. 23.The average weight of 6 children is 42 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Saanvi’s batting average after 7 innings is 38 runs. How many runs must Saanvi score in the next innings to raise the average to 43?
  25. 25.The average of 7 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  26. 26.The average weight of 7 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 5 friends in a quiz: 51, 39, 52, 50, 63. What is their average mark?
  28. 28.Marks of 6 friends in a quiz: 55, 51, 47, 45, 61, 59. What is their average mark?
  29. 29.The average of 9 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  30. 30.The average of 9 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  31. 31.A shop sells an average of 66 kg of sugar a day for 2 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  32. 32.A shop sells an average of 25 kg of sugar a day for 2 days, and then 37 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.The average weight of 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 80 kg of sugar a day for 6 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  35. 35.A shop sells an average of 52 kg of sugar a day for 3 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  36. 36.The average of 6 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  37. 37.The average weight of 7 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 7 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  39. 39.The average of 8 numbers is 24. When one more number is added, the average becomes 30. What number was added?
  40. 40.Marks of 4 friends in a quiz: 49, 69, 67, 39. What is their average mark?

Answer key

  1. 67
  2. 41
  3. 47
  4. 57
  5. 21
  6. 64
  7. 54
  8. 70
  9. 81
  10. 60
  11. 29
  12. 80
  13. 35
  14. 45
  15. 37
  16. 37
  17. 41
  18. 35
  19. 75
  20. 30
  21. 33
  22. 80
  23. 41
  24. 78
  25. 68
  26. 42
  27. 51
  28. 53
  29. 37
  30. 71
  31. 39
  32. 34
  33. 39
  34. 73
  35. 62
  36. 89
  37. 27
  38. 51
  39. 78
  40. 56

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