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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 26 · 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 5 friends in a quiz: 42, 23, 29, 40, 26. What is their average mark?
  2. 2.A shop sells an average of 61 kg of sugar a day for 6 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  3. 3.The average of 6 numbers is 56. When one more number is added, the average becomes 57. What number was added?
  4. 4.A shop sells an average of 51 kg of sugar a day for 5 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  5. 5.The average weight of 10 children is 33 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Saanvi’s batting average after 12 innings is 40 runs. How many runs must Saanvi score in the next innings to raise the average to 45?
  7. 7.Marks of 4 friends in a quiz: 51, 26, 30, 57. What is their average mark?
  8. 8.Zoya’s batting average after 14 innings is 31 runs. How many runs must Zoya score in the next innings to raise the average to 36?
  9. 9.Marks of 5 friends in a quiz: 33, 26, 41, 22, 53. What is their average mark?
  10. 10.The average weight of 6 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 5 friends in a quiz: 102, 78, 90, 102, 78. What is their average mark?
  12. 12.A shop sells an average of 74 kg of sugar a day for 3 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.A shop sells an average of 27 kg of sugar a day for 6 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.The average weight of 11 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 4 friends in a quiz: 38, 21, 27, 58. What is their average mark?
  16. 16.Marks of 6 friends in a quiz: 51, 65, 44, 67, 56, 47. What is their average mark?
  17. 17.Marks of 5 friends in a quiz: 55, 55, 82, 83, 75. What is their average mark?
  18. 18.Marks of 6 friends in a quiz: 44, 38, 36, 23, 40, 47. What is their average mark?
  19. 19.The average weight of 7 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 69 kg of sugar a day for 3 days, and then 55 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  21. 21.The average weight of 7 children is 32 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.A shop sells an average of 76 kg of sugar a day for 4 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.A shop sells an average of 39 kg of sugar a day for 2 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.The average of 5 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  25. 25.Aarav’s batting average after 12 innings is 48 runs. How many runs must Aarav score in the next innings to raise the average to 53?
  26. 26.The average of 8 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  27. 27.The average weight of 12 children is 44 kg. One child, who weighs 77 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 77 kg of sugar a day for 4 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.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)?
  30. 30.The average of 8 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  31. 31.Marks of 4 friends in a quiz: 60, 80, 80, 52. What is their average mark?
  32. 32.Marks of 4 friends in a quiz: 83, 82, 94, 65. What is their average mark?
  33. 33.The average of 6 numbers is 41. When one more number is added, the average becomes 46. What number was added?
  34. 34.Marks of 4 friends in a quiz: 88, 91, 90, 51. What is their average mark?
  35. 35.Marks of 5 friends in a quiz: 81, 74, 75, 72, 98. What is their average mark?
  36. 36.Pooja’s batting average after 5 innings is 36 runs. How many runs must Pooja score in the next innings to raise the average to 39?
  37. 37.A shop sells an average of 60 kg of sugar a day for 3 days, and then 72 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.The average of 6 numbers is 59. When one more number is added, the average becomes 61. What number was added?
  39. 39.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)?
  40. 40.The average of 6 numbers is 29. When one more number is added, the average becomes 31. What number was added?

Answer key

  1. 32
  2. 59
  3. 63
  4. 59
  5. 32
  6. 105
  7. 41
  8. 106
  9. 35
  10. 36
  11. 90
  12. 77
  13. 37
  14. 33
  15. 36
  16. 55
  17. 70
  18. 38
  19. 25
  20. 61
  21. 30
  22. 64
  23. 36
  24. 45
  25. 113
  26. 95
  27. 41
  28. 64
  29. 41
  30. 28
  31. 68
  32. 81
  33. 76
  34. 80
  35. 80
  36. 54
  37. 66
  38. 73
  39. 25
  40. 43

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