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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 425 · 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 73 kg of sugar a day for 2 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  2. 2.Marks of 6 friends in a quiz: 54, 58, 70, 63, 73, 60. What is their average mark?
  3. 3.A shop sells an average of 39 kg of sugar a day for 5 days, and then 45 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  4. 4.Aarav’s batting average after 12 innings is 45 runs. How many runs must Aarav score in the next innings to raise the average to 46?
  5. 5.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)?
  6. 6.The average of 4 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  7. 7.A shop sells an average of 50 kg of sugar a day for 4 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  8. 8.Dev’s batting average after 8 innings is 45 runs. How many runs must Dev score in the next innings to raise the average to 46?
  9. 9.Sneha’s batting average after 9 innings is 41 runs. How many runs must Sneha score in the next innings to raise the average to 45?
  10. 10.Marks of 4 friends in a quiz: 17, 7, 8, 56. What is their average mark?
  11. 11.The average weight of 9 children is 27 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average weight of 9 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 4 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  15. 15.The average of 4 numbers is 28. When one more number is added, the average becomes 33. What number was added?
  16. 16.The average of 8 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  17. 17.A shop sells an average of 29 kg of sugar a day for 4 days, and then 44 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.The average of 7 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  19. 19.Marks of 5 friends in a quiz: 28, 25, 17, 5, 25. What is their average mark?
  20. 20.The average of 6 numbers is 34. When one more number is added, the average becomes 35. What number was added?
  21. 21.Aarav’s batting average after 5 innings is 33 runs. How many runs must Aarav score in the next innings to raise the average to 35?
  22. 22.The average of 4 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  23. 23.The average of 6 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  24. 24.Marks of 4 friends in a quiz: 41, 48, 36, 15. What is their average mark?
  25. 25.The average of 7 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  26. 26.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 5 children is 44 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 12 children is 44 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 68 kg of sugar a day for 6 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.The average of 9 numbers is 30. When one more number is added, the average becomes 35. What number was added?
  31. 31.Marks of 4 friends in a quiz: 49, 22, 24, 45. What is their average mark?
  32. 32.Marks of 6 friends in a quiz: 26, 30, 18, 10, 21, 45. What is their average mark?
  33. 33.The average weight of 7 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 30 kg of sugar a day for 2 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average of 4 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  36. 36.The average of 4 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  37. 37.The average weight of 11 children is 29 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 5 friends in a quiz: 79, 62, 56, 79, 49. What is their average mark?
  39. 39.The average of 7 numbers is 34. When one more number is added, the average becomes 40. What number was added?
  40. 40.The average weight of 6 children is 39 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 49
  2. 63
  3. 42
  4. 58
  5. 45
  6. 20
  7. 45
  8. 54
  9. 81
  10. 22
  11. 25
  12. 38
  13. 25
  14. 74
  15. 53
  16. 47
  17. 34
  18. 62
  19. 20
  20. 41
  21. 45
  22. 46
  23. 59
  24. 35
  25. 79
  26. 27
  27. 43
  28. 42
  29. 66
  30. 80
  31. 35
  32. 25
  33. 44
  34. 54
  35. 31
  36. 48
  37. 26
  38. 65
  39. 82
  40. 38

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