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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 356 · 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: 24, 27, 28, 26, 31, 80. What is their average mark?
  2. 2.The average of 7 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  3. 3.A shop sells an average of 71 kg of sugar a day for 6 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  4. 4.A shop sells an average of 52 kg of sugar a day for 6 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  5. 5.A shop sells an average of 78 kg of sugar a day for 2 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  6. 6.A shop sells an average of 34 kg of sugar a day for 3 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  7. 7.A shop sells an average of 74 kg of sugar a day for 5 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.Aarav’s batting average after 5 innings is 46 runs. How many runs must Aarav score in the next innings to raise the average to 47?
  9. 9.The average of 8 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  10. 10.The average weight of 6 children is 40 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Aditya’s batting average after 13 innings is 24 runs. How many runs must Aditya score in the next innings to raise the average to 26?
  12. 12.Marks of 6 friends in a quiz: 10, 40, 27, 11, 36, 26. What is their average mark?
  13. 13.Tara’s batting average after 9 innings is 46 runs. How many runs must Tara score in the next innings to raise the average to 51?
  14. 14.Marks of 6 friends in a quiz: 79, 94, 71, 93, 88, 73. What is their average mark?
  15. 15.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 4 friends in a quiz: 86, 78, 85, 63. What is their average mark?
  17. 17.Marks of 5 friends in a quiz: 70, 53, 67, 72, 63. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 24, 18, 25, 33. What is their average mark?
  19. 19.Marks of 5 friends in a quiz: 67, 74, 75, 68, 91. What is their average mark?
  20. 20.The average weight of 11 children is 45 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Priya’s batting average after 5 innings is 22 runs. How many runs must Priya score in the next innings to raise the average to 25?
  22. 22.A shop sells an average of 27 kg of sugar a day for 5 days, and then 45 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.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)?
  24. 24.Marks of 4 friends in a quiz: 82, 68, 78, 40. What is their average mark?
  25. 25.The average of 7 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  26. 26.The average weight of 7 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Kavya’s batting average after 10 innings is 34 runs. How many runs must Kavya score in the next innings to raise the average to 35?
  28. 28.A shop sells an average of 33 kg of sugar a day for 2 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.Marks of 4 friends in a quiz: 58, 61, 34, 43. What is their average mark?
  30. 30.A shop sells an average of 48 kg of sugar a day for 3 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  31. 31.The average of 8 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  32. 32.A shop sells an average of 52 kg of sugar a day for 2 days, and then 20 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 of 7 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  34. 34.A shop sells an average of 31 kg of sugar a day for 6 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  35. 35.Isha’s batting average after 15 innings is 28 runs. How many runs must Isha score in the next innings to raise the average to 31?
  36. 36.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 4 friends in a quiz: 52, 74, 53, 61. What is their average mark?
  38. 38.A shop sells an average of 39 kg of sugar a day for 2 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  39. 39.The average of 4 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  40. 40.The average of 6 numbers is 60. When one more number is added, the average becomes 61. What number was added?

Answer key

  1. 36
  2. 67
  3. 58
  4. 46
  5. 54
  6. 44
  7. 65
  8. 52
  9. 67
  10. 39
  11. 52
  12. 25
  13. 96
  14. 83
  15. 26
  16. 78
  17. 65
  18. 25
  19. 75
  20. 43
  21. 40
  22. 36
  23. 27
  24. 67
  25. 75
  26. 35
  27. 45
  28. 39
  29. 49
  30. 50
  31. 50
  32. 28
  33. 47
  34. 41
  35. 76
  36. 35
  37. 60
  38. 50
  39. 33
  40. 67

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