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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 204 · 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 4 friends in a quiz: 47, 28, 36, 41. What is their average mark?
  2. 2.The average of 8 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  3. 3.A shop sells an average of 56 kg of sugar a day for 2 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.Marks of 4 friends in a quiz: 63, 87, 67, 83. What is their average mark?
  5. 5.Marks of 4 friends in a quiz: 28, 40, 19, 49. What is their average mark?
  6. 6.The average of 6 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  7. 7.The average of 8 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  8. 8.A shop sells an average of 46 kg of sugar a day for 4 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  9. 9.Sneha’s batting average after 8 innings is 25 runs. How many runs must Sneha score in the next innings to raise the average to 28?
  10. 10.Marks of 4 friends in a quiz: 83, 67, 74, 80. What is their average mark?
  11. 11.The average weight of 6 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 5 friends in a quiz: 50, 37, 57, 30, 51. What is their average mark?
  13. 13.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 9 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  15. 15.The average weight of 10 children is 27 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 4 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  17. 17.The average weight of 6 children is 45 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 9 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  19. 19.A shop sells an average of 70 kg of sugar a day for 5 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 58, 66, 77, 63. What is their average mark?
  21. 21.The average of 9 numbers is 34. When one more number is added, the average becomes 39. What number was added?
  22. 22.Marks of 6 friends in a quiz: 67, 54, 52, 74, 50, 63. What is their average mark?
  23. 23.The average of 9 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  24. 24.A shop sells an average of 23 kg of sugar a day for 2 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.Marks of 6 friends in a quiz: 72, 51, 60, 61, 62, 90. What is their average mark?
  26. 26.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)?
  27. 27.Ishaan’s batting average after 8 innings is 30 runs. How many runs must Ishaan score in the next innings to raise the average to 33?
  28. 28.The average of 6 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  29. 29.Meera’s batting average after 14 innings is 34 runs. How many runs must Meera score in the next innings to raise the average to 37?
  30. 30.A shop sells an average of 48 kg of sugar a day for 3 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  31. 31.The average weight of 5 children is 46 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Nisha’s batting average after 6 innings is 40 runs. How many runs must Nisha score in the next innings to raise the average to 41?
  33. 33.The average of 6 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  34. 34.A shop sells an average of 73 kg of sugar a day for 4 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.A shop sells an average of 68 kg of sugar a day for 4 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.Farhan’s batting average after 5 innings is 28 runs. How many runs must Farhan score in the next innings to raise the average to 29?
  37. 37.Marks of 4 friends in a quiz: 27, 21, 19, 57. What is their average mark?
  38. 38.The average of 4 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  39. 39.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)?
  40. 40.A shop sells an average of 60 kg of sugar a day for 4 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 38
  2. 68
  3. 60
  4. 75
  5. 34
  6. 79
  7. 58
  8. 59
  9. 52
  10. 76
  11. 28
  12. 45
  13. 33
  14. 63
  15. 25
  16. 41
  17. 42
  18. 47
  19. 56
  20. 66
  21. 84
  22. 60
  23. 52
  24. 37
  25. 66
  26. 41
  27. 57
  28. 99
  29. 79
  30. 66
  31. 45
  32. 47
  33. 52
  34. 53
  35. 69
  36. 34
  37. 31
  38. 43
  39. 26
  40. 66

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