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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 240 · 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 weight of 5 children is 48 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 4 friends in a quiz: 27, 35, 26, 28. What is their average mark?
  3. 3.The average weight of 9 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 4 friends in a quiz: 88, 96, 71, 81. What is their average mark?
  5. 5.The average weight of 8 children is 45 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 6 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  7. 7.The average weight of 5 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 6 friends in a quiz: 33, 50, 54, 49, 42, 48. What is their average mark?
  9. 9.Marks of 4 friends in a quiz: 71, 98, 101, 74. What is their average mark?
  10. 10.A shop sells an average of 24 kg of sugar a day for 3 days, and then 72 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.A shop sells an average of 77 kg of sugar a day for 3 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  12. 12.A shop sells an average of 61 kg of sugar a day for 2 days, and then 51 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  13. 13.The average of 5 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  14. 14.Pooja’s batting average after 10 innings is 41 runs. How many runs must Pooja score in the next innings to raise the average to 42?
  15. 15.Marks of 5 friends in a quiz: 76, 80, 73, 82, 89. What is their average mark?
  16. 16.A shop sells an average of 24 kg of sugar a day for 3 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.Ishaan’s batting average after 8 innings is 26 runs. How many runs must Ishaan score in the next innings to raise the average to 31?
  18. 18.A shop sells an average of 45 kg of sugar a day for 4 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  19. 19.Marks of 5 friends in a quiz: 77, 67, 69, 86, 81. What is their average mark?
  20. 20.The average of 8 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  21. 21.Marks of 6 friends in a quiz: 27, 43, 33, 22, 33, 16. What is their average mark?
  22. 22.Marks of 4 friends in a quiz: 59, 86, 66, 77. What is their average mark?
  23. 23.Pooja’s batting average after 8 innings is 31 runs. How many runs must Pooja score in the next innings to raise the average to 33?
  24. 24.Marks of 4 friends in a quiz: 60, 32, 49, 43. What is their average mark?
  25. 25.A shop sells an average of 27 kg of sugar a day for 3 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 11 children is 46 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 8 children is 28 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 25 kg of sugar a day for 3 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.Arjun’s batting average after 6 innings is 26 runs. How many runs must Arjun score in the next innings to raise the average to 28?
  31. 31.The average of 4 numbers is 59. When one more number is added, the average becomes 61. What number was added?
  32. 32.Marks of 6 friends in a quiz: 54, 33, 34, 57, 42, 56. What is their average mark?
  33. 33.Aditya’s batting average after 5 innings is 43 runs. How many runs must Aditya score in the next innings to raise the average to 46?
  34. 34.The average weight of 8 children is 33 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 4 friends in a quiz: 37, 22, 42, 11. What is their average mark?
  36. 36.Farhan’s batting average after 5 innings is 47 runs. How many runs must Farhan score in the next innings to raise the average to 48?
  37. 37.Marks of 4 friends in a quiz: 78, 77, 79, 98. What is their average mark?
  38. 38.Marks of 4 friends in a quiz: 50, 45, 26, 31. What is their average mark?
  39. 39.The average weight of 12 children is 28 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 5 children is 42 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 45
  2. 29
  3. 34
  4. 84
  5. 42
  6. 98
  7. 33
  8. 46
  9. 86
  10. 54
  11. 73
  12. 55
  13. 76
  14. 52
  15. 80
  16. 41
  17. 71
  18. 42
  19. 76
  20. 53
  21. 29
  22. 72
  23. 49
  24. 46
  25. 24
  26. 27
  27. 44
  28. 27
  29. 42
  30. 40
  31. 69
  32. 46
  33. 61
  34. 30
  35. 28
  36. 53
  37. 83
  38. 38
  39. 26
  40. 41

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