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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 268 · 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 weight of 6 children is 47 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 6 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  3. 3.A shop sells an average of 32 kg of sugar a day for 6 days, and then 20 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 80 kg of sugar a day for 6 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.A shop sells an average of 24 kg of sugar a day for 2 days, and then 79 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 46 kg of sugar a day for 4 days, and then 73 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.A shop sells an average of 71 kg of sugar a day for 3 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  8. 8.Ananya’s batting average after 11 innings is 20 runs. How many runs must Ananya score in the next innings to raise the average to 23?
  9. 9.A shop sells an average of 74 kg of sugar a day for 2 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.The average of 6 numbers is 56. When one more number is added, the average becomes 60. What number was added?
  11. 11.A shop sells an average of 56 kg of sugar a day for 4 days, and then 42 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 43, 34, 45, 30. What is their average mark?
  13. 13.A shop sells an average of 32 kg of sugar a day for 2 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  14. 14.Ananya’s batting average after 9 innings is 37 runs. How many runs must Ananya score in the next innings to raise the average to 41?
  15. 15.Marks of 4 friends in a quiz: 72, 62, 51, 51. What is their average mark?
  16. 16.The average of 7 numbers is 60. When one more number is added, the average becomes 63. What number was added?
  17. 17.A shop sells an average of 23 kg of sugar a day for 2 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.A shop sells an average of 23 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)?
  19. 19.The average of 8 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  20. 20.The average weight of 10 children is 34 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 79 kg of sugar a day for 3 days, and then 71 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  22. 22.A shop sells an average of 29 kg of sugar a day for 3 days, and then 21 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  23. 23.Marks of 5 friends in a quiz: 35, 36, 32, 55, 72. What is their average mark?
  24. 24.A shop sells an average of 43 kg of sugar a day for 2 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.A shop sells an average of 29 kg of sugar a day for 2 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  26. 26.Marks of 6 friends in a quiz: 62, 56, 58, 70, 77, 91. What is their average mark?
  27. 27.Marks of 4 friends in a quiz: 41, 18, 28, 33. What is their average mark?
  28. 28.The average of 9 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  29. 29.Marks of 6 friends in a quiz: 47, 51, 51, 69, 45, 97. What is their average mark?
  30. 30.Marks of 5 friends in a quiz: 60, 49, 48, 61, 37. What is their average mark?
  31. 31.A shop sells an average of 77 kg of sugar a day for 6 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  32. 32.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 8 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  34. 34.A shop sells an average of 65 kg of sugar a day for 2 days, and then 55 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  35. 35.Kabir’s batting average after 14 innings is 35 runs. How many runs must Kabir score in the next innings to raise the average to 36?
  36. 36.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)?
  37. 37.Marks of 5 friends in a quiz: 91, 90, 95, 78, 96. What is their average mark?
  38. 38.The average of 4 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  39. 39.The average of 7 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  40. 40.Marks of 4 friends in a quiz: 33, 21, 36, 22. What is their average mark?

Answer key

  1. 45
  2. 34
  3. 26
  4. 67
  5. 57
  6. 61
  7. 57
  8. 56
  9. 65
  10. 84
  11. 50
  12. 38
  13. 46
  14. 77
  15. 59
  16. 84
  17. 47
  18. 33
  19. 89
  20. 33
  21. 74
  22. 24
  23. 46
  24. 37
  25. 33
  26. 69
  27. 30
  28. 74
  29. 60
  30. 51
  31. 65
  32. 33
  33. 85
  34. 59
  35. 50
  36. 26
  37. 90
  38. 21
  39. 56
  40. 28

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