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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 660 · 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 4 friends in a quiz: 53, 63, 42, 34. What is their average mark?
  2. 2.Kabir’s batting average after 7 innings is 20 runs. How many runs must Kabir score in the next innings to raise the average to 22?
  3. 3.The average weight of 6 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.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)?
  5. 5.A shop sells an average of 25 kg of sugar a day for 4 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.The average weight of 10 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 8 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  8. 8.Marks of 4 friends in a quiz: 86, 87, 84, 83. What is their average mark?
  9. 9.The average weight of 12 children is 47 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 4 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  11. 11.Marks of 5 friends in a quiz: 74, 60, 56, 80, 80. What is their average mark?
  12. 12.The average of 5 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  13. 13.Marks of 5 friends in a quiz: 19, 21, 26, 35, 69. What is their average mark?
  14. 14.The average of 9 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  15. 15.A shop sells an average of 78 kg of sugar a day for 2 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  16. 16.The average weight of 11 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.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)?
  18. 18.A shop sells an average of 56 kg of sugar a day for 2 days, and then 51 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  19. 19.The average weight of 12 children is 30 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 8 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  21. 21.Marks of 5 friends in a quiz: 85, 90, 78, 72, 60. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 70, 71, 78, 70, 31. What is their average mark?
  23. 23.The average of 5 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  24. 24.A shop sells an average of 35 kg of sugar a day for 4 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.A shop sells an average of 52 kg of sugar a day for 6 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  26. 26.Marks of 4 friends in a quiz: 30, 12, 42, 24. What is their average mark?
  27. 27.Dev’s batting average after 12 innings is 25 runs. How many runs must Dev score in the next innings to raise the average to 28?
  28. 28.A shop sells an average of 52 kg of sugar a day for 3 days, and then 56 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.Marks of 6 friends in a quiz: 96, 82, 74, 71, 73, 96. What is their average mark?
  30. 30.A shop sells an average of 71 kg of sugar a day for 6 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  31. 31.Marks of 4 friends in a quiz: 55, 63, 50, 80. What is their average mark?
  32. 32.A shop sells an average of 28 kg of sugar a day for 2 days, and then 68 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  33. 33.A shop sells an average of 20 kg of sugar a day for 6 days, and then 45 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  34. 34.A shop sells an average of 64 kg of sugar a day for 4 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  35. 35.Marks of 4 friends in a quiz: 39, 31, 46, 56. What is their average mark?
  36. 36.Marks of 6 friends in a quiz: 58, 68, 54, 67, 71, 54. What is their average mark?
  37. 37.Marks of 6 friends in a quiz: 58, 48, 37, 51, 44, 74. What is their average mark?
  38. 38.Marks of 4 friends in a quiz: 30, 42, 50, 42. What is their average mark?
  39. 39.Marks of 6 friends in a quiz: 72, 56, 56, 60, 56, 90. What is their average mark?
  40. 40.Marks of 5 friends in a quiz: 83, 100, 74, 101, 77. What is their average mark?

Answer key

  1. 48
  2. 36
  3. 34
  4. 34
  5. 31
  6. 36
  7. 79
  8. 85
  9. 45
  10. 49
  11. 70
  12. 71
  13. 34
  14. 69
  15. 66
  16. 29
  17. 25
  18. 53
  19. 28
  20. 66
  21. 77
  22. 64
  23. 73
  24. 47
  25. 60
  26. 27
  27. 64
  28. 54
  29. 82
  30. 64
  31. 62
  32. 52
  33. 30
  34. 52
  35. 43
  36. 62
  37. 52
  38. 41
  39. 65
  40. 87

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