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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 118 · 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 of 6 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  2. 2.Marks of 6 friends in a quiz: 45, 34, 31, 44, 22, 46. What is their average mark?
  3. 3.A shop sells an average of 73 kg of sugar a day for 3 days, and then 61 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.Marks of 5 friends in a quiz: 24, 24, 17, 29, 66. What is their average mark?
  5. 5.A shop sells an average of 30 kg of sugar a day for 6 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  6. 6.Marks of 6 friends in a quiz: 37, 62, 34, 46, 43, 66. What is their average mark?
  7. 7.Arjun’s batting average after 5 innings is 36 runs. How many runs must Arjun score in the next innings to raise the average to 40?
  8. 8.Marks of 5 friends in a quiz: 59, 49, 52, 66, 54. What is their average mark?
  9. 9.The average weight of 12 children is 39 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 5 friends in a quiz: 16, 23, 15, 15, 46. What is their average mark?
  11. 11.The average of 6 numbers is 26. When one more number is added, the average becomes 31. What number was added?
  12. 12.The average of 5 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  13. 13.The average weight of 5 children is 47 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 72 kg of sugar a day for 6 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.Meera’s batting average after 6 innings is 36 runs. How many runs must Meera score in the next innings to raise the average to 37?
  16. 16.A shop sells an average of 31 kg of sugar a day for 4 days, and then 23 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  17. 17.Meera’s batting average after 13 innings is 35 runs. How many runs must Meera score in the next innings to raise the average to 38?
  18. 18.Meera’s batting average after 12 innings is 31 runs. How many runs must Meera score in the next innings to raise the average to 33?
  19. 19.Marks of 6 friends in a quiz: 77, 55, 60, 74, 77, 71. What is their average mark?
  20. 20.Marks of 5 friends in a quiz: 34, 12, 13, 32, 24. What is their average mark?
  21. 21.Marks of 5 friends in a quiz: 100, 78, 93, 91, 73. What is their average mark?
  22. 22.The average weight of 5 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 5 children is 42 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 4 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  25. 25.Farhan’s batting average after 11 innings is 47 runs. How many runs must Farhan score in the next innings to raise the average to 48?
  26. 26.A shop sells an average of 35 kg of sugar a day for 3 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  27. 27.Kavya’s batting average after 15 innings is 40 runs. How many runs must Kavya score in the next innings to raise the average to 44?
  28. 28.A shop sells an average of 21 kg of sugar a day for 6 days, and then 45 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  29. 29.The average weight of 5 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 6 children is 33 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Isha’s batting average after 8 innings is 20 runs. How many runs must Isha score in the next innings to raise the average to 25?
  32. 32.A shop sells an average of 23 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)?
  33. 33.A shop sells an average of 58 kg of sugar a day for 4 days, and then 26 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.Dev’s batting average after 14 innings is 43 runs. How many runs must Dev score in the next innings to raise the average to 46?
  35. 35.Manav’s batting average after 10 innings is 39 runs. How many runs must Manav score in the next innings to raise the average to 44?
  36. 36.A shop sells an average of 24 kg of sugar a day for 6 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  37. 37.The average of 8 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  38. 38.The average of 4 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  39. 39.Marks of 6 friends in a quiz: 53, 67, 53, 68, 73, 52. What is their average mark?
  40. 40.The average of 5 numbers is 21. When one more number is added, the average becomes 27. What number was added?

Answer key

  1. 43
  2. 37
  3. 67
  4. 32
  5. 45
  6. 48
  7. 60
  8. 56
  9. 36
  10. 23
  11. 61
  12. 35
  13. 44
  14. 64
  15. 43
  16. 27
  17. 77
  18. 57
  19. 69
  20. 23
  21. 87
  22. 34
  23. 41
  24. 75
  25. 59
  26. 51
  27. 104
  28. 29
  29. 30
  30. 30
  31. 65
  32. 25
  33. 42
  34. 88
  35. 94
  36. 40
  37. 62
  38. 63
  39. 61
  40. 57

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