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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 422 · 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 weight of 5 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 7 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 7 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  4. 4.The average weight of 12 children is 44 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Rohan’s batting average after 12 innings is 20 runs. How many runs must Rohan score in the next innings to raise the average to 23?
  6. 6.The average weight of 6 children is 35 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 6 friends in a quiz: 38, 15, 17, 41, 15, 54. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 89, 74, 94, 77, 71. What is their average mark?
  9. 9.The average of 7 numbers is 54. When one more number is added, the average becomes 57. What number was added?
  10. 10.A shop sells an average of 78 kg of sugar a day for 2 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  11. 11.The average weight of 7 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 4 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  13. 13.Rahul’s batting average after 9 innings is 45 runs. How many runs must Rahul score in the next innings to raise the average to 49?
  14. 14.The average of 9 numbers is 30. When one more number is added, the average becomes 35. What number was added?
  15. 15.A shop sells an average of 31 kg of sugar a day for 2 days, and then 64 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.A shop sells an average of 76 kg of sugar a day for 2 days, and then 40 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.Tara’s batting average after 10 innings is 23 runs. How many runs must Tara score in the next innings to raise the average to 28?
  18. 18.Zoya’s batting average after 6 innings is 25 runs. How many runs must Zoya score in the next innings to raise the average to 30?
  19. 19.The average of 7 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  20. 20.A shop sells an average of 40 kg of sugar a day for 2 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  21. 21.A shop sells an average of 74 kg of sugar a day for 2 days, and then 20 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.The average of 4 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  23. 23.The average of 7 numbers is 34. When one more number is added, the average becomes 39. What number was added?
  24. 24.The average of 7 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  25. 25.Marks of 5 friends in a quiz: 68, 45, 45, 66, 51. What is their average mark?
  26. 26.Aditya’s batting average after 7 innings is 48 runs. How many runs must Aditya score in the next innings to raise the average to 52?
  27. 27.Priya’s batting average after 15 innings is 46 runs. How many runs must Priya score in the next innings to raise the average to 49?
  28. 28.The average of 4 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  29. 29.The average of 5 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  30. 30.A shop sells an average of 76 kg of sugar a day for 5 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  31. 31.Manav’s batting average after 13 innings is 27 runs. How many runs must Manav score in the next innings to raise the average to 32?
  32. 32.The average of 6 numbers is 60. When one more number is added, the average becomes 65. What number was added?
  33. 33.A shop sells an average of 61 kg of sugar a day for 2 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  34. 34.Marks of 6 friends in a quiz: 94, 82, 70, 90, 93, 57. What is their average mark?
  35. 35.The average of 6 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  36. 36.The average of 9 numbers is 24. When one more number is added, the average becomes 28. What number was added?
  37. 37.A shop sells an average of 48 kg of sugar a day for 2 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  38. 38.The average of 9 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  39. 39.Ananya’s batting average after 12 innings is 41 runs. How many runs must Ananya score in the next innings to raise the average to 46?
  40. 40.The average weight of 7 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 25
  2. 34
  3. 72
  4. 43
  5. 59
  6. 32
  7. 30
  8. 81
  9. 78
  10. 70
  11. 32
  12. 63
  13. 85
  14. 80
  15. 53
  16. 52
  17. 78
  18. 60
  19. 96
  20. 28
  21. 38
  22. 57
  23. 74
  24. 77
  25. 55
  26. 80
  27. 94
  28. 62
  29. 45
  30. 72
  31. 97
  32. 95
  33. 62
  34. 81
  35. 55
  36. 64
  37. 51
  38. 55
  39. 106
  40. 27

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