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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 702 · 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 5 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  2. 2.The average weight of 6 children is 39 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 6 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  4. 4.Marks of 5 friends in a quiz: 54, 60, 74, 63, 54. What is their average mark?
  5. 5.Marks of 6 friends in a quiz: 54, 33, 42, 50, 45, 58. What is their average mark?
  6. 6.Saanvi’s batting average after 15 innings is 29 runs. How many runs must Saanvi score in the next innings to raise the average to 34?
  7. 7.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)?
  8. 8.Vivaan’s batting average after 6 innings is 43 runs. How many runs must Vivaan score in the next innings to raise the average to 47?
  9. 9.Marks of 4 friends in a quiz: 27, 31, 23, 63. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 58, 34, 47, 33, 50, 66. What is their average mark?
  11. 11.Marks of 5 friends in a quiz: 21, 41, 39, 27, 52. What is their average mark?
  12. 12.The average of 8 numbers is 60. When one more number is added, the average becomes 63. What number was added?
  13. 13.A shop sells an average of 78 kg of sugar a day for 2 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  14. 14.The average weight of 11 children is 45 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 7 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  16. 16.The average weight of 7 children is 33 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 4 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  18. 18.The average of 4 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  19. 19.Marks of 4 friends in a quiz: 9, 11, 12, 56. What is their average mark?
  20. 20.A shop sells an average of 70 kg of sugar a day for 4 days, and then 40 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Rohan’s batting average after 15 innings is 37 runs. How many runs must Rohan score in the next innings to raise the average to 41?
  22. 22.The average of 6 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  23. 23.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 56 kg of sugar a day for 4 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.The average of 6 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  26. 26.Manav’s batting average after 8 innings is 20 runs. How many runs must Manav score in the next innings to raise the average to 23?
  27. 27.A shop sells an average of 27 kg of sugar a day for 2 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  28. 28.Aditya’s batting average after 12 innings is 38 runs. How many runs must Aditya score in the next innings to raise the average to 42?
  29. 29.Marks of 5 friends in a quiz: 46, 39, 19, 24, 42. What is their average mark?
  30. 30.A shop sells an average of 65 kg of sugar a day for 6 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 9 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.Marks of 4 friends in a quiz: 33, 39, 55, 45. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 31, 37, 18, 30. What is their average mark?
  34. 34.A shop sells an average of 63 kg of sugar a day for 3 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  35. 35.Marks of 4 friends in a quiz: 67, 76, 69, 96. What is their average mark?
  36. 36.Marks of 6 friends in a quiz: 28, 25, 35, 31, 10, 21. What is their average mark?
  37. 37.Sneha’s batting average after 13 innings is 39 runs. How many runs must Sneha score in the next innings to raise the average to 44?
  38. 38.The average weight of 11 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 55 kg of sugar a day for 3 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  40. 40.A shop sells an average of 68 kg of sugar a day for 4 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 33
  2. 37
  3. 52
  4. 61
  5. 47
  6. 109
  7. 41
  8. 71
  9. 36
  10. 48
  11. 36
  12. 87
  13. 50
  14. 43
  15. 50
  16. 32
  17. 75
  18. 29
  19. 22
  20. 55
  21. 101
  22. 50
  23. 32
  24. 44
  25. 42
  26. 47
  27. 23
  28. 90
  29. 34
  30. 50
  31. 39
  32. 43
  33. 29
  34. 47
  35. 77
  36. 25
  37. 109
  38. 44
  39. 57
  40. 56

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