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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 452 · 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 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 5 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  3. 3.Marks of 4 friends in a quiz: 95, 83, 86, 80. What is their average mark?
  4. 4.A shop sells an average of 56 kg of sugar a day for 6 days, and then 78 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  5. 5.A shop sells an average of 30 kg of sugar a day for 2 days, and then 37 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  6. 6.Aditya’s batting average after 5 innings is 24 runs. How many runs must Aditya score in the next innings to raise the average to 29?
  7. 7.The average weight of 8 children is 35 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 5 friends in a quiz: 71, 51, 49, 52, 77. What is their average mark?
  9. 9.A shop sells an average of 62 kg of sugar a day for 5 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  10. 10.The average of 4 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  11. 11.A shop sells an average of 75 kg of sugar a day for 3 days, and then 51 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.The average of 6 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  13. 13.Marks of 5 friends in a quiz: 40, 67, 50, 44, 69. What is their average mark?
  14. 14.Marks of 5 friends in a quiz: 41, 49, 62, 36, 57. What is their average mark?
  15. 15.Diya’s batting average after 15 innings is 45 runs. How many runs must Diya score in the next innings to raise the average to 49?
  16. 16.Marks of 4 friends in a quiz: 27, 41, 21, 15. What is their average mark?
  17. 17.A shop sells an average of 64 kg of sugar a day for 6 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  18. 18.Ananya’s batting average after 13 innings is 29 runs. How many runs must Ananya score in the next innings to raise the average to 32?
  19. 19.The average of 6 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  20. 20.The average of 7 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  21. 21.Marks of 5 friends in a quiz: 46, 61, 49, 39, 65. What is their average mark?
  22. 22.A shop sells an average of 53 kg of sugar a day for 5 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  23. 23.The average weight of 11 children is 29 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 7 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  25. 25.The average of 4 numbers is 58. When one more number is added, the average becomes 63. What number was added?
  26. 26.The average of 9 numbers is 45. When one more number is added, the average becomes 51. What number was added?
  27. 27.The average of 9 numbers is 55. When one more number is added, the average becomes 56. What number was added?
  28. 28.Marks of 6 friends in a quiz: 27, 41, 27, 38, 38, 75. What is their average mark?
  29. 29.Marks of 4 friends in a quiz: 19, 27, 11, 35. What is their average mark?
  30. 30.A shop sells an average of 57 kg of sugar a day for 5 days, and then 33 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.Marks of 6 friends in a quiz: 40, 41, 51, 35, 51, 22. What is their average mark?
  32. 32.The average weight of 11 children is 47 kg. One child, who weighs 77 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 37 kg of sugar a day for 6 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  34. 34.The average weight of 9 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 72 kg of sugar a day for 2 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  36. 36.The average weight of 5 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 4 numbers is 59. When one more number is added, the average becomes 62. What number was added?
  38. 38.The average of 4 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  39. 39.A shop sells an average of 27 kg of sugar a day for 6 days, and then 63 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.Marks of 5 friends in a quiz: 70, 65, 49, 64, 57. What is their average mark?

Answer key

  1. 25
  2. 57
  3. 86
  4. 66
  5. 35
  6. 54
  7. 34
  8. 60
  9. 56
  10. 53
  11. 59
  12. 28
  13. 54
  14. 49
  15. 109
  16. 26
  17. 49
  18. 71
  19. 38
  20. 41
  21. 52
  22. 55
  23. 27
  24. 38
  25. 83
  26. 105
  27. 65
  28. 41
  29. 23
  30. 48
  31. 40
  32. 44
  33. 39
  34. 38
  35. 51
  36. 42
  37. 74
  38. 25
  39. 39
  40. 61

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