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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 489 · 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 5 numbers is 36. When one more number is added, the average becomes 39. What number was added?
  2. 2.Zoya’s batting average after 11 innings is 42 runs. How many runs must Zoya score in the next innings to raise the average to 44?
  3. 3.Marks of 5 friends in a quiz: 33, 37, 61, 38, 61. What is their average mark?
  4. 4.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)?
  5. 5.Marks of 4 friends in a quiz: 18, 14, 40, 44. What is their average mark?
  6. 6.The average weight of 10 children is 36 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 4 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  8. 8.The average of 9 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  9. 9.Zoya’s batting average after 15 innings is 20 runs. How many runs must Zoya score in the next innings to raise the average to 25?
  10. 10.A shop sells an average of 45 kg of sugar a day for 3 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  11. 11.The average of 4 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  12. 12.A shop sells an average of 72 kg of sugar a day for 6 days, and then 78 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  13. 13.Marks of 6 friends in a quiz: 69, 84, 74, 72, 67, 60. What is their average mark?
  14. 14.Marks of 5 friends in a quiz: 93, 69, 78, 93, 57. What is their average mark?
  15. 15.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)?
  16. 16.The average of 6 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  17. 17.The average of 6 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  18. 18.A shop sells an average of 56 kg of sugar a day for 3 days, and then 66 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.A shop sells an average of 25 kg of sugar a day for 2 days, and then 40 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.A shop sells an average of 74 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)?
  21. 21.Karan’s batting average after 5 innings is 28 runs. How many runs must Karan score in the next innings to raise the average to 33?
  22. 22.The average of 5 numbers is 57. When one more number is added, the average becomes 60. What number was added?
  23. 23.The average of 4 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  24. 24.Isha’s batting average after 14 innings is 48 runs. How many runs must Isha score in the next innings to raise the average to 51?
  25. 25.Kavya’s batting average after 6 innings is 42 runs. How many runs must Kavya score in the next innings to raise the average to 43?
  26. 26.A shop sells an average of 74 kg of sugar a day for 2 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.A shop sells an average of 60 kg of sugar a day for 3 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  28. 28.Marks of 4 friends in a quiz: 47, 68, 41, 68. What is their average mark?
  29. 29.Marks of 4 friends in a quiz: 60, 85, 90, 65. What is their average mark?
  30. 30.Marks of 4 friends in a quiz: 16, 34, 45, 29. What is their average mark?
  31. 31.A shop sells an average of 42 kg of sugar a day for 2 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  32. 32.A shop sells an average of 29 kg of sugar a day for 2 days, and then 21 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.Priya’s batting average after 11 innings is 34 runs. How many runs must Priya score in the next innings to raise the average to 39?
  34. 34.Dev’s batting average after 6 innings is 50 runs. How many runs must Dev score in the next innings to raise the average to 53?
  35. 35.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 25 kg of sugar a day for 4 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  37. 37.The average of 8 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  38. 38.A shop sells an average of 30 kg of sugar a day for 2 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  39. 39.A shop sells an average of 43 kg of sugar a day for 5 days, and then 77 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  40. 40.A shop sells an average of 22 kg of sugar a day for 3 days, and then 70 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?

Answer key

  1. 54
  2. 66
  3. 46
  4. 29
  5. 29
  6. 35
  7. 47
  8. 108
  9. 100
  10. 51
  11. 66
  12. 75
  13. 71
  14. 78
  15. 41
  16. 69
  17. 38
  18. 61
  19. 34
  20. 65
  21. 58
  22. 75
  23. 35
  24. 93
  25. 49
  26. 44
  27. 50
  28. 56
  29. 75
  30. 31
  31. 40
  32. 23
  33. 94
  34. 71
  35. 27
  36. 55
  37. 63
  38. 26
  39. 60
  40. 54

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