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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 531 · 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: 69, 48, 42, 42, 74. What is their average mark?
  2. 2.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Rohan’s batting average after 13 innings is 23 runs. How many runs must Rohan score in the next innings to raise the average to 26?
  4. 4.The average weight of 6 children is 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 6 children is 41 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 4 friends in a quiz: 50, 49, 48, 77. What is their average mark?
  7. 7.Isha’s batting average after 11 innings is 29 runs. How many runs must Isha score in the next innings to raise the average to 31?
  8. 8.The average weight of 6 children is 32 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 82, 77, 67, 80, 49. What is their average mark?
  10. 10.The average of 7 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  11. 11.Marks of 6 friends in a quiz: 43, 41, 31, 37, 40, 54. What is their average mark?
  12. 12.The average weight of 8 children is 46 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 8 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  14. 14.Marks of 4 friends in a quiz: 61, 41, 32, 54. What is their average mark?
  15. 15.A shop sells an average of 55 kg of sugar a day for 4 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.A shop sells an average of 21 kg of sugar a day for 6 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  17. 17.Marks of 6 friends in a quiz: 73, 58, 59, 73, 50, 41. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 88, 86, 79, 87. What is their average mark?
  19. 19.Marks of 4 friends in a quiz: 47, 47, 45, 29. What is their average mark?
  20. 20.Marks of 4 friends in a quiz: 45, 21, 28, 34. What is their average mark?
  21. 21.Marks of 4 friends in a quiz: 47, 59, 65, 33. What is their average mark?
  22. 22.A shop sells an average of 77 kg of sugar a day for 6 days, and then 61 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  23. 23.Marks of 5 friends in a quiz: 45, 38, 57, 58, 17. What is their average mark?
  24. 24.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Dev’s batting average after 14 innings is 47 runs. How many runs must Dev score in the next innings to raise the average to 49?
  27. 27.The average weight of 9 children is 31 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 4 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  29. 29.Marks of 4 friends in a quiz: 70, 50, 71, 53. What is their average mark?
  30. 30.Marks of 5 friends in a quiz: 38, 26, 30, 56, 55. What is their average mark?
  31. 31.The average weight of 9 children is 48 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 8 children is 28 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 6 children is 34 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Karan’s batting average after 7 innings is 33 runs. How many runs must Karan score in the next innings to raise the average to 36?
  35. 35.The average of 5 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  36. 36.The average weight of 10 children is 41 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 7 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  38. 38.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 11 children is 26 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 5 friends in a quiz: 73, 64, 62, 77, 44. What is their average mark?

Answer key

  1. 55
  2. 26
  3. 65
  4. 25
  5. 38
  6. 56
  7. 53
  8. 29
  9. 71
  10. 62
  11. 41
  12. 44
  13. 90
  14. 47
  15. 60
  16. 25
  17. 59
  18. 85
  19. 42
  20. 32
  21. 51
  22. 69
  23. 43
  24. 28
  25. 29
  26. 77
  27. 28
  28. 81
  29. 61
  30. 41
  31. 45
  32. 25
  33. 31
  34. 57
  35. 85
  36. 40
  37. 94
  38. 27
  39. 25
  40. 64

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