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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 413 · 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.A shop sells an average of 58 kg of sugar a day for 2 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  2. 2.The average weight of 5 children is 38 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 49 kg of sugar a day for 6 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  4. 4.The average weight of 10 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 4 friends in a quiz: 65, 58, 69, 84. What is their average mark?
  6. 6.Marks of 4 friends in a quiz: 47, 49, 34, 18. What is their average mark?
  7. 7.The average of 7 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  8. 8.The average weight of 6 children is 41 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 6 friends in a quiz: 43, 55, 27, 51, 54, 16. What is their average mark?
  10. 10.The average weight of 10 children is 35 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 6 friends in a quiz: 44, 42, 35, 60, 60, 47. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 69, 73, 74, 36. What is their average mark?
  13. 13.Kabir’s batting average after 15 innings is 43 runs. How many runs must Kabir score in the next innings to raise the average to 47?
  14. 14.Marks of 4 friends in a quiz: 41, 57, 41, 61. What is their average mark?
  15. 15.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 6 friends in a quiz: 42, 52, 40, 51, 23, 14. What is their average mark?
  17. 17.Marks of 5 friends in a quiz: 46, 37, 46, 38, 18. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 21, 15, 23, 29. What is their average mark?
  19. 19.The average weight of 6 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 4 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  21. 21.The average weight of 5 children is 47 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 4 friends in a quiz: 39, 29, 47, 41. What is their average mark?
  23. 23.The average weight of 9 children is 47 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Kavya’s batting average after 9 innings is 25 runs. How many runs must Kavya score in the next innings to raise the average to 26?
  26. 26.A shop sells an average of 57 kg of sugar a day for 6 days, and then 63 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  27. 27.Rohan’s batting average after 9 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 47?
  28. 28.Marks of 4 friends in a quiz: 42, 29, 19, 22. What is their average mark?
  29. 29.Aarav’s batting average after 11 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 45?
  30. 30.The average of 8 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  31. 31.The average of 5 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  32. 32.Marks of 5 friends in a quiz: 9, 12, 36, 21, 32. What is their average mark?
  33. 33.Marks of 6 friends in a quiz: 23, 35, 33, 45, 21, 23. What is their average mark?
  34. 34.The average weight of 7 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 49 kg of sugar a day for 2 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  36. 36.Marks of 4 friends in a quiz: 77, 65, 90, 68. What is their average mark?
  37. 37.The average of 4 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  38. 38.Zoya’s batting average after 6 innings is 27 runs. How many runs must Zoya score in the next innings to raise the average to 32?
  39. 39.Rahul’s batting average after 11 innings is 32 runs. How many runs must Rahul score in the next innings to raise the average to 34?
  40. 40.The average of 5 numbers is 39. When one more number is added, the average becomes 43. What number was added?

Answer key

  1. 42
  2. 37
  3. 37
  4. 39
  5. 69
  6. 37
  7. 47
  8. 40
  9. 41
  10. 32
  11. 48
  12. 63
  13. 107
  14. 50
  15. 31
  16. 37
  17. 37
  18. 22
  19. 26
  20. 45
  21. 44
  22. 39
  23. 44
  24. 26
  25. 35
  26. 60
  27. 83
  28. 28
  29. 78
  30. 59
  31. 82
  32. 22
  33. 30
  34. 25
  35. 42
  36. 75
  37. 67
  38. 62
  39. 56
  40. 63

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