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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 65 · 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 7 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  2. 2.The average of 6 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  3. 3.Marks of 6 friends in a quiz: 10, 36, 25, 20, 29, 30. What is their average mark?
  4. 4.The average weight of 9 children is 37 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 40 kg of sugar a day for 6 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.The average weight of 7 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 9 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  8. 8.A shop sells an average of 57 kg of sugar a day for 5 days, and then 75 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  9. 9.Marks of 5 friends in a quiz: 50, 51, 55, 28, 31. What is their average mark?
  10. 10.Aarav’s batting average after 9 innings is 26 runs. How many runs must Aarav score in the next innings to raise the average to 29?
  11. 11.The average of 8 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  12. 12.The average weight of 9 children is 39 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 6 friends in a quiz: 35, 26, 44, 25, 20, 30. What is their average mark?
  14. 14.A shop sells an average of 37 kg of sugar a day for 3 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  15. 15.The average of 6 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  16. 16.A shop sells an average of 78 kg of sugar a day for 4 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  17. 17.Tara’s batting average after 6 innings is 37 runs. How many runs must Tara score in the next innings to raise the average to 42?
  18. 18.The average weight of 7 children is 37 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Diya’s batting average after 15 innings is 50 runs. How many runs must Diya score in the next innings to raise the average to 54?
  20. 20.The average of 4 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  21. 21.Marks of 5 friends in a quiz: 44, 42, 39, 25, 30. What is their average mark?
  22. 22.Marks of 4 friends in a quiz: 72, 52, 70, 42. What is their average mark?
  23. 23.Marks of 6 friends in a quiz: 97, 96, 76, 87, 81, 61. What is their average mark?
  24. 24.The average weight of 9 children is 40 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Aarav’s batting average after 10 innings is 50 runs. How many runs must Aarav score in the next innings to raise the average to 52?
  26. 26.A shop sells an average of 23 kg of sugar a day for 6 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  27. 27.Marks of 6 friends in a quiz: 92, 73, 96, 95, 84, 46. What is their average mark?
  28. 28.The average of 9 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  29. 29.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)?
  30. 30.A shop sells an average of 45 kg of sugar a day for 2 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  31. 31.The average weight of 6 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 4 numbers is 46. When one more number is added, the average becomes 51. What number was added?
  33. 33.Pooja’s batting average after 8 innings is 33 runs. How many runs must Pooja score in the next innings to raise the average to 38?
  34. 34.The average of 9 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  35. 35.The average weight of 12 children is 37 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Farhan’s batting average after 14 innings is 25 runs. How many runs must Farhan score in the next innings to raise the average to 27?
  37. 37.Kavya’s batting average after 8 innings is 31 runs. How many runs must Kavya score in the next innings to raise the average to 32?
  38. 38.The average weight of 6 children is 42 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 24 kg of sugar a day for 5 days, and then 60 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  40. 40.The average of 9 numbers is 51. When one more number is added, the average becomes 56. What number was added?

Answer key

  1. 64
  2. 80
  3. 25
  4. 34
  5. 48
  6. 41
  7. 65
  8. 66
  9. 43
  10. 56
  11. 86
  12. 36
  13. 30
  14. 47
  15. 66
  16. 60
  17. 72
  18. 36
  19. 114
  20. 52
  21. 36
  22. 59
  23. 83
  24. 37
  25. 72
  26. 47
  27. 81
  28. 81
  29. 27
  30. 43
  31. 39
  32. 71
  33. 78
  34. 79
  35. 34
  36. 55
  37. 40
  38. 41
  39. 42
  40. 101

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