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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 154 · 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 29 kg of sugar a day for 3 days, and then 22 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  2. 2.Marks of 6 friends in a quiz: 54, 52, 34, 37, 57, 36. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 24, 28, 36, 44. What is their average mark?
  4. 4.The average of 4 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  5. 5.Marks of 5 friends in a quiz: 59, 67, 62, 60, 87. What is their average mark?
  6. 6.Marks of 4 friends in a quiz: 37, 64, 44, 55. What is their average mark?
  7. 7.Aditya’s batting average after 9 innings is 47 runs. How many runs must Aditya score in the next innings to raise the average to 50?
  8. 8.The average weight of 11 children is 44 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Arjun’s batting average after 6 innings is 23 runs. How many runs must Arjun score in the next innings to raise the average to 26?
  10. 10.The average weight of 5 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 5 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  12. 12.Marks of 6 friends in a quiz: 49, 33, 34, 57, 53, 26. What is their average mark?
  13. 13.Rohan’s batting average after 8 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 44?
  14. 14.Marks of 5 friends in a quiz: 13, 38, 16, 27, 26. What is their average mark?
  15. 15.A shop sells an average of 61 kg of sugar a day for 2 days, and then 25 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.The average weight of 12 children is 29 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Diya’s batting average after 11 innings is 33 runs. How many runs must Diya score in the next innings to raise the average to 35?
  19. 19.A shop sells an average of 35 kg of sugar a day for 5 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  20. 20.Dev’s batting average after 11 innings is 34 runs. How many runs must Dev score in the next innings to raise the average to 36?
  21. 21.A shop sells an average of 47 kg of sugar a day for 2 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  22. 22.Marks of 6 friends in a quiz: 38, 29, 47, 22, 45, 17. What is their average mark?
  23. 23.The average weight of 10 children is 42 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 5 friends in a quiz: 21, 44, 32, 38, 35. What is their average mark?
  25. 25.Karan’s batting average after 13 innings is 50 runs. How many runs must Karan score in the next innings to raise the average to 52?
  26. 26.Marks of 5 friends in a quiz: 57, 58, 67, 63, 55. What is their average mark?
  27. 27.Isha’s batting average after 13 innings is 46 runs. How many runs must Isha score in the next innings to raise the average to 48?
  28. 28.The average of 8 numbers is 55. When one more number is added, the average becomes 56. What number was added?
  29. 29.Marks of 5 friends in a quiz: 28, 43, 21, 27, 41. What is their average mark?
  30. 30.A shop sells an average of 56 kg of sugar a day for 2 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  31. 31.Marks of 5 friends in a quiz: 35, 47, 28, 35, 40. What is their average mark?
  32. 32.Manav’s batting average after 5 innings is 48 runs. How many runs must Manav score in the next innings to raise the average to 49?
  33. 33.The average of 8 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  34. 34.Marks of 6 friends in a quiz: 52, 35, 41, 65, 44, 63. What is their average mark?
  35. 35.A shop sells an average of 23 kg of sugar a day for 5 days, and then 39 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  36. 36.Marks of 5 friends in a quiz: 90, 91, 83, 69, 87. What is their average mark?
  37. 37.The average weight of 7 children is 27 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 8 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  39. 39.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 77 kg of sugar a day for 5 days, and then 71 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?

Answer key

  1. 25
  2. 45
  3. 33
  4. 35
  5. 67
  6. 50
  7. 77
  8. 41
  9. 44
  10. 38
  11. 51
  12. 42
  13. 52
  14. 24
  15. 37
  16. 28
  17. 26
  18. 57
  19. 47
  20. 58
  21. 45
  22. 33
  23. 39
  24. 34
  25. 78
  26. 60
  27. 74
  28. 64
  29. 32
  30. 66
  31. 37
  32. 54
  33. 112
  34. 50
  35. 31
  36. 84
  37. 26
  38. 35
  39. 25
  40. 74

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