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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 707 · 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 80 kg of sugar a day for 2 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.A shop sells an average of 70 kg of sugar a day for 4 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.The average of 5 numbers is 41. When one more number is added, the average becomes 42. What number was added?
  4. 4.The average of 6 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  5. 5.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 8 numbers is 50. When one more number is added, the average becomes 56. What number was added?
  7. 7.The average of 6 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  8. 8.A shop sells an average of 25 kg of sugar a day for 2 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  9. 9.The average of 9 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  10. 10.A shop sells an average of 45 kg of sugar a day for 3 days, and then 77 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.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)?
  12. 12.Marks of 6 friends in a quiz: 65, 54, 63, 58, 70, 80. What is their average mark?
  13. 13.Marks of 4 friends in a quiz: 53, 54, 47, 14. What is their average mark?
  14. 14.A shop sells an average of 36 kg of sugar a day for 3 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  15. 15.A shop sells an average of 74 kg of sugar a day for 3 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.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)?
  17. 17.The average weight of 8 children is 30 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 5 children is 34 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 47 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)?
  20. 20.Marks of 5 friends in a quiz: 44, 38, 57, 55, 61. What is their average mark?
  21. 21.Ananya’s batting average after 13 innings is 48 runs. How many runs must Ananya score in the next innings to raise the average to 53?
  22. 22.The average weight of 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 4 friends in a quiz: 79, 84, 88, 77. What is their average mark?
  24. 24.The average of 8 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 61 kg of sugar a day for 3 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  26. 26.Isha’s batting average after 10 innings is 42 runs. How many runs must Isha score in the next innings to raise the average to 46?
  27. 27.Marks of 4 friends in a quiz: 85, 80, 62, 69. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 46, 36, 45, 5. What is their average mark?
  29. 29.The average of 5 numbers is 46. When one more number is added, the average becomes 52. What number was added?
  30. 30.The average of 7 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  31. 31.Marks of 5 friends in a quiz: 55, 50, 65, 56, 89. What is their average mark?
  32. 32.A shop sells an average of 32 kg of sugar a day for 3 days, and then 44 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.The average weight of 12 children is 36 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 4 friends in a quiz: 12, 8, 33, 27. What is their average mark?
  35. 35.Marks of 5 friends in a quiz: 66, 61, 69, 68, 36. What is their average mark?
  36. 36.The average weight of 7 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 4 friends in a quiz: 55, 28, 32, 49. What is their average mark?
  38. 38.The average of 4 numbers is 55. When one more number is added, the average becomes 61. What number was added?
  39. 39.The average weight of 5 children is 44 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 10 children is 45 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 48
  2. 57
  3. 47
  4. 38
  5. 39
  6. 104
  7. 37
  8. 49
  9. 62
  10. 61
  11. 31
  12. 65
  13. 42
  14. 46
  15. 50
  16. 33
  17. 29
  18. 33
  19. 59
  20. 51
  21. 118
  22. 27
  23. 82
  24. 110
  25. 47
  26. 86
  27. 74
  28. 33
  29. 82
  30. 59
  31. 63
  32. 38
  33. 34
  34. 20
  35. 60
  36. 25
  37. 41
  38. 85
  39. 42
  40. 44

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