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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 369 · 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.Marks of 6 friends in a quiz: 54, 74, 79, 63, 58, 80. What is their average mark?
  2. 2.The average weight of 8 children is 44 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Sneha’s batting average after 5 innings is 29 runs. How many runs must Sneha score in the next innings to raise the average to 33?
  4. 4.The average weight of 9 children is 36 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 7 children is 28 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 4 friends in a quiz: 41, 50, 29, 28. What is their average mark?
  7. 7.The average of 9 numbers is 29. When one more number is added, the average becomes 33. What number was added?
  8. 8.The average of 9 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  9. 9.Marks of 5 friends in a quiz: 53, 59, 72, 62, 39. What is their average mark?
  10. 10.A shop sells an average of 34 kg of sugar a day for 4 days, and then 68 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.The average of 5 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  12. 12.A shop sells an average of 61 kg of sugar a day for 2 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.The average of 5 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  14. 14.Farhan’s batting average after 9 innings is 22 runs. How many runs must Farhan score in the next innings to raise the average to 24?
  15. 15.The average of 7 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  16. 16.The average of 5 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  17. 17.Marks of 5 friends in a quiz: 74, 81, 79, 74, 77. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 35, 54, 28, 47. What is their average mark?
  19. 19.The average of 4 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  20. 20.A shop sells an average of 64 kg of sugar a day for 2 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  21. 21.The average of 6 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  22. 22.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)?
  23. 23.Rohan’s batting average after 8 innings is 26 runs. How many runs must Rohan score in the next innings to raise the average to 29?
  24. 24.Aditya’s batting average after 9 innings is 30 runs. How many runs must Aditya score in the next innings to raise the average to 32?
  25. 25.The average of 6 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  26. 26.Marks of 6 friends in a quiz: 36, 42, 55, 66, 53, 54. What is their average mark?
  27. 27.Ishaan’s batting average after 8 innings is 31 runs. How many runs must Ishaan score in the next innings to raise the average to 32?
  28. 28.The average weight of 8 children is 28 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 74 kg of sugar a day for 4 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.A shop sells an average of 38 kg of sugar a day for 4 days, and then 47 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  31. 31.The average of 5 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  32. 32.A shop sells an average of 22 kg of sugar a day for 3 days, and then 38 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.The average of 9 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  34. 34.Priya’s batting average after 5 innings is 43 runs. How many runs must Priya score in the next innings to raise the average to 46?
  35. 35.Rahul’s batting average after 11 innings is 22 runs. How many runs must Rahul score in the next innings to raise the average to 23?
  36. 36.Marks of 5 friends in a quiz: 17, 41, 24, 35, 23. What is their average mark?
  37. 37.Marks of 5 friends in a quiz: 81, 92, 84, 72, 86. What is their average mark?
  38. 38.Marks of 4 friends in a quiz: 50, 65, 67, 66. What is their average mark?
  39. 39.Tara’s batting average after 10 innings is 26 runs. How many runs must Tara score in the next innings to raise the average to 29?
  40. 40.A shop sells an average of 57 kg of sugar a day for 5 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?

Answer key

  1. 68
  2. 41
  3. 53
  4. 33
  5. 27
  6. 37
  7. 69
  8. 72
  9. 57
  10. 51
  11. 72
  12. 54
  13. 89
  14. 42
  15. 81
  16. 60
  17. 77
  18. 41
  19. 31
  20. 58
  21. 76
  22. 33
  23. 53
  24. 50
  25. 45
  26. 51
  27. 40
  28. 25
  29. 64
  30. 43
  31. 84
  32. 32
  33. 68
  34. 61
  35. 34
  36. 28
  37. 83
  38. 62
  39. 59
  40. 42

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