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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 575 · 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 of 6 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  2. 2.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)?
  3. 3.The average weight of 6 children is 33 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 5 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 5 friends in a quiz: 63, 49, 48, 46, 84. What is their average mark?
  6. 6.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 4 friends in a quiz: 14, 19, 16, 43. What is their average mark?
  8. 8.Marks of 6 friends in a quiz: 77, 89, 65, 87, 76, 86. What is their average mark?
  9. 9.Marks of 4 friends in a quiz: 76, 62, 76, 90. What is their average mark?
  10. 10.Rahul’s batting average after 13 innings is 45 runs. How many runs must Rahul score in the next innings to raise the average to 46?
  11. 11.A shop sells an average of 65 kg of sugar a day for 6 days, and then 60 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.Tara’s batting average after 8 innings is 26 runs. How many runs must Tara score in the next innings to raise the average to 27?
  13. 13.Marks of 6 friends in a quiz: 57, 55, 57, 77, 67, 89. What is their average mark?
  14. 14.Marks of 5 friends in a quiz: 61, 58, 52, 79, 70. What is their average mark?
  15. 15.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 21 kg of sugar a day for 6 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  17. 17.The average of 4 numbers is 56. When one more number is added, the average becomes 61. What number was added?
  18. 18.Isha’s batting average after 11 innings is 48 runs. How many runs must Isha score in the next innings to raise the average to 49?
  19. 19.The average of 4 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  20. 20.Marks of 6 friends in a quiz: 11, 14, 12, 30, 14, 63. What is their average mark?
  21. 21.Marks of 5 friends in a quiz: 38, 15, 18, 16, 58. What is their average mark?
  22. 22.Farhan’s batting average after 15 innings is 49 runs. How many runs must Farhan score in the next innings to raise the average to 53?
  23. 23.Zoya’s batting average after 5 innings is 27 runs. How many runs must Zoya score in the next innings to raise the average to 28?
  24. 24.Marks of 4 friends in a quiz: 87, 63, 86, 72. What is their average mark?
  25. 25.Aarav’s batting average after 8 innings is 49 runs. How many runs must Aarav score in the next innings to raise the average to 51?
  26. 26.The average weight of 6 children is 28 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 4 friends in a quiz: 71, 83, 77, 45. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 68, 69, 90, 84, 84. What is their average mark?
  29. 29.The average weight of 9 children is 46 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 8 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  31. 31.Marks of 4 friends in a quiz: 61, 52, 70, 53. What is their average mark?
  32. 32.A shop sells an average of 46 kg of sugar a day for 2 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  33. 33.Marks of 6 friends in a quiz: 23, 44, 30, 22, 33, 28. What is their average mark?
  34. 34.A shop sells an average of 43 kg of sugar a day for 2 days, and then 79 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.Marks of 6 friends in a quiz: 38, 32, 38, 27, 24, 63. What is their average mark?
  36. 36.The average of 9 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  37. 37.A shop sells an average of 36 kg of sugar a day for 4 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.The average weight of 8 children is 36 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.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)?
  40. 40.A shop sells an average of 62 kg of sugar a day for 2 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

Answer key

  1. 40
  2. 42
  3. 30
  4. 33
  5. 58
  6. 44
  7. 23
  8. 80
  9. 76
  10. 59
  11. 63
  12. 35
  13. 67
  14. 64
  15. 32
  16. 44
  17. 81
  18. 60
  19. 35
  20. 24
  21. 29
  22. 113
  23. 33
  24. 77
  25. 67
  26. 27
  27. 69
  28. 79
  29. 45
  30. 77
  31. 59
  32. 52
  33. 30
  34. 67
  35. 37
  36. 45
  37. 48
  38. 33
  39. 28
  40. 41

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