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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 685 · 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 5 friends in a quiz: 103, 83, 103, 90, 61. What is their average mark?
  2. 2.The average weight of 7 children is 31 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 6 friends in a quiz: 41, 31, 50, 31, 33, 54. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 30, 7, 13, 15, 35. What is their average mark?
  5. 5.The average weight of 6 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 7 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  7. 7.The average of 9 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  8. 8.A shop sells an average of 28 kg of sugar a day for 3 days, and then 64 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.The average of 6 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  10. 10.Marks of 5 friends in a quiz: 86, 71, 72, 88, 73. What is their average mark?
  11. 11.The average of 6 numbers is 30. When one more number is added, the average becomes 32. What number was added?
  12. 12.Marks of 5 friends in a quiz: 49, 44, 50, 68, 74. What is their average mark?
  13. 13.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.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)?
  15. 15.The average weight of 11 children is 42 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 9 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  17. 17.Marks of 6 friends in a quiz: 46, 60, 68, 58, 53, 75. What is their average mark?
  18. 18.Kavya’s batting average after 12 innings is 40 runs. How many runs must Kavya score in the next innings to raise the average to 42?
  19. 19.Priya’s batting average after 9 innings is 41 runs. How many runs must Priya score in the next innings to raise the average to 44?
  20. 20.Vivaan’s batting average after 13 innings is 34 runs. How many runs must Vivaan score in the next innings to raise the average to 35?
  21. 21.The average weight of 6 children is 29 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 4 friends in a quiz: 44, 26, 20, 42. What is their average mark?
  23. 23.The average of 5 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  24. 24.A shop sells an average of 22 kg of sugar a day for 6 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.The average of 5 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  26. 26.A shop sells an average of 54 kg of sugar a day for 3 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.A shop sells an average of 61 kg of sugar a day for 4 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.Marks of 4 friends in a quiz: 13, 28, 34, 21. What is their average mark?
  29. 29.The average of 6 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  30. 30.A shop sells an average of 63 kg of sugar a day for 5 days, and then 55 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  31. 31.The average of 4 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  32. 32.The average of 6 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  33. 33.A shop sells an average of 22 kg of sugar a day for 6 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  34. 34.The average of 8 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  35. 35.The average of 4 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  36. 36.A shop sells an average of 54 kg of sugar a day for 2 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.A shop sells an average of 33 kg of sugar a day for 2 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  38. 38.The average weight of 9 children is 27 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 6 friends in a quiz: 34, 19, 16, 11, 32, 44. What is their average mark?
  40. 40.Marks of 6 friends in a quiz: 56, 53, 39, 63, 35, 54. What is their average mark?

Answer key

  1. 88
  2. 30
  3. 40
  4. 20
  5. 30
  6. 47
  7. 113
  8. 52
  9. 42
  10. 78
  11. 44
  12. 57
  13. 32
  14. 30
  15. 40
  16. 30
  17. 60
  18. 66
  19. 71
  20. 48
  21. 26
  22. 33
  23. 35
  24. 35
  25. 33
  26. 52
  27. 52
  28. 24
  29. 65
  30. 59
  31. 47
  32. 43
  33. 25
  34. 49
  35. 33
  36. 40
  37. 40
  38. 25
  39. 26
  40. 50

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