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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 231 · 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 8 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  2. 2.The average of 6 numbers is 34. When one more number is added, the average becomes 35. What number was added?
  3. 3.Marks of 5 friends in a quiz: 37, 52, 49, 47, 25. What is their average mark?
  4. 4.The average weight of 12 children is 37 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 5 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 37 kg of sugar a day for 6 days, and then 70 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  7. 7.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)?
  8. 8.The average weight of 10 children is 45 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 8 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  10. 10.A shop sells an average of 26 kg of sugar a day for 2 days, and then 41 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  11. 11.The average weight of 12 children is 32 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 6 friends in a quiz: 29, 23, 39, 41, 27, 21. What is their average mark?
  13. 13.The average weight of 11 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 66 kg of sugar a day for 4 days, and then 21 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.The average weight of 5 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Ananya’s batting average after 9 innings is 30 runs. How many runs must Ananya score in the next innings to raise the average to 35?
  17. 17.Sneha’s batting average after 14 innings is 38 runs. How many runs must Sneha score in the next innings to raise the average to 41?
  18. 18.Marks of 6 friends in a quiz: 79, 82, 79, 59, 70, 39. What is their average mark?
  19. 19.Marks of 6 friends in a quiz: 73, 52, 48, 56, 49, 70. What is their average mark?
  20. 20.Marks of 4 friends in a quiz: 37, 33, 10, 8. What is their average mark?
  21. 21.The average of 8 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  22. 22.The average weight of 6 children is 39 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 7 children is 36 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 5 friends in a quiz: 92, 83, 100, 96, 74. What is their average mark?
  25. 25.Marks of 4 friends in a quiz: 77, 63, 75, 73. What is their average mark?
  26. 26.The average of 7 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  27. 27.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Vivaan’s batting average after 5 innings is 41 runs. How many runs must Vivaan score in the next innings to raise the average to 46?
  29. 29.The average weight of 12 children is 33 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Farhan’s batting average after 5 innings is 41 runs. How many runs must Farhan score in the next innings to raise the average to 46?
  31. 31.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 8 children is 33 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 74 kg of sugar a day for 4 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  34. 34.The average of 6 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  35. 35.Marks of 4 friends in a quiz: 62, 62, 38, 26. What is their average mark?
  36. 36.A shop sells an average of 47 kg of sugar a day for 2 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.Zoya’s batting average after 13 innings is 20 runs. How many runs must Zoya score in the next innings to raise the average to 25?
  38. 38.A shop sells an average of 75 kg of sugar a day for 3 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.Marks of 4 friends in a quiz: 59, 72, 68, 41. What is their average mark?
  40. 40.A shop sells an average of 56 kg of sugar a day for 4 days, and then 58 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 80
  2. 41
  3. 42
  4. 35
  5. 26
  6. 52
  7. 25
  8. 42
  9. 51
  10. 35
  11. 30
  12. 30
  13. 26
  14. 41
  15. 39
  16. 80
  17. 83
  18. 68
  19. 58
  20. 22
  21. 72
  22. 36
  23. 33
  24. 89
  25. 72
  26. 105
  27. 38
  28. 71
  29. 30
  30. 71
  31. 43
  32. 30
  33. 65
  34. 29
  35. 47
  36. 35
  37. 90
  38. 49
  39. 60
  40. 57

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