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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 709 · 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: 33, 60, 47, 40. What is their average mark?
  2. 2.Marks of 5 friends in a quiz: 38, 21, 17, 18, 61. What is their average mark?
  3. 3.The average weight of 6 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 6 friends in a quiz: 25, 42, 43, 27, 53, 50. What is their average mark?
  5. 5.The average of 7 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  6. 6.The average weight of 9 children is 34 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 8 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  8. 8.Marks of 4 friends in a quiz: 69, 68, 56, 43. What is their average mark?
  9. 9.Ishaan’s batting average after 12 innings is 40 runs. How many runs must Ishaan score in the next innings to raise the average to 45?
  10. 10.Tara’s batting average after 10 innings is 34 runs. How many runs must Tara score in the next innings to raise the average to 37?
  11. 11.Meera’s batting average after 9 innings is 30 runs. How many runs must Meera score in the next innings to raise the average to 31?
  12. 12.The average of 5 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  13. 13.Saanvi’s batting average after 10 innings is 32 runs. How many runs must Saanvi score in the next innings to raise the average to 33?
  14. 14.A shop sells an average of 78 kg of sugar a day for 2 days, and then 27 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.A shop sells an average of 80 kg of sugar a day for 3 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  16. 16.A shop sells an average of 23 kg of sugar a day for 2 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.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)?
  18. 18.Farhan’s batting average after 11 innings is 25 runs. How many runs must Farhan score in the next innings to raise the average to 26?
  19. 19.Marks of 5 friends in a quiz: 51, 34, 37, 44, 64. What is their average mark?
  20. 20.Marks of 6 friends in a quiz: 78, 89, 101, 82, 94, 84. What is their average mark?
  21. 21.A shop sells an average of 27 kg of sugar a day for 6 days, and then 55 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  22. 22.Marks of 6 friends in a quiz: 80, 55, 66, 51, 66, 78. What is their average mark?
  23. 23.Karan’s batting average after 7 innings is 44 runs. How many runs must Karan score in the next innings to raise the average to 46?
  24. 24.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)?
  25. 25.Rahul’s batting average after 14 innings is 22 runs. How many runs must Rahul score in the next innings to raise the average to 24?
  26. 26.The average weight of 5 children is 46 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average of 8 numbers is 34. When one more number is added, the average becomes 36. What number was added?
  28. 28.A shop sells an average of 42 kg of sugar a day for 6 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  29. 29.The average weight of 12 children is 37 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.A shop sells an average of 31 kg of sugar a day for 5 days, and then 66 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  31. 31.The average weight of 7 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 6 friends in a quiz: 86, 83, 66, 62, 62, 97. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 43, 62, 43, 84. What is their average mark?
  34. 34.A shop sells an average of 74 kg of sugar a day for 6 days, and then 71 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  35. 35.Marks of 6 friends in a quiz: 27, 34, 28, 48, 47, 62. What is their average mark?
  36. 36.Saanvi’s batting average after 15 innings is 24 runs. How many runs must Saanvi score in the next innings to raise the average to 26?
  37. 37.The average of 8 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  38. 38.The average weight of 12 children is 36 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 5 friends in a quiz: 15, 16, 19, 10, 60. What is their average mark?
  40. 40.A shop sells an average of 28 kg of sugar a day for 2 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

Answer key

  1. 45
  2. 31
  3. 31
  4. 40
  5. 65
  6. 32
  7. 83
  8. 59
  9. 105
  10. 67
  11. 40
  12. 64
  13. 43
  14. 44
  15. 48
  16. 35
  17. 34
  18. 37
  19. 46
  20. 88
  21. 41
  22. 66
  23. 60
  24. 66
  25. 52
  26. 44
  27. 52
  28. 58
  29. 36
  30. 41
  31. 31
  32. 76
  33. 58
  34. 73
  35. 41
  36. 56
  37. 59
  38. 35
  39. 24
  40. 34

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