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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 144 · 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 8 children is 45 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 10 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 23 kg of sugar a day for 4 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.The average weight of 12 children is 34 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 34 kg of sugar a day for 4 days, and then 26 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.Marks of 4 friends in a quiz: 49, 44, 26, 33. What is their average mark?
  7. 7.A shop sells an average of 31 kg of sugar a day for 6 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  8. 8.Arjun’s batting average after 9 innings is 29 runs. How many runs must Arjun score in the next innings to raise the average to 34?
  9. 9.Marks of 6 friends in a quiz: 49, 48, 39, 53, 58, 77. What is their average mark?
  10. 10.Marks of 5 friends in a quiz: 76, 58, 76, 80, 75. What is their average mark?
  11. 11.The average weight of 9 children is 28 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 5 numbers is 34. When one more number is added, the average becomes 35. What number was added?
  13. 13.The average of 5 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  14. 14.The average of 4 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  15. 15.Marks of 5 friends in a quiz: 58, 59, 64, 57, 17. What is their average mark?
  16. 16.Vivaan’s batting average after 14 innings is 23 runs. How many runs must Vivaan score in the next innings to raise the average to 24?
  17. 17.A shop sells an average of 72 kg of sugar a day for 5 days, and then 58 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.Marks of 4 friends in a quiz: 56, 56, 62, 98. What is their average mark?
  19. 19.The average weight of 10 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Meera’s batting average after 11 innings is 26 runs. How many runs must Meera score in the next innings to raise the average to 28?
  21. 21.Marks of 4 friends in a quiz: 45, 56, 52, 59. What is their average mark?
  22. 22.Dev’s batting average after 13 innings is 46 runs. How many runs must Dev score in the next innings to raise the average to 47?
  23. 23.Aarav’s batting average after 12 innings is 27 runs. How many runs must Aarav score in the next innings to raise the average to 32?
  24. 24.The average weight of 7 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Ananya’s batting average after 8 innings is 39 runs. How many runs must Ananya score in the next innings to raise the average to 43?
  26. 26.The average of 7 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  27. 27.The average of 4 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  28. 28.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Manav’s batting average after 5 innings is 24 runs. How many runs must Manav score in the next innings to raise the average to 29?
  30. 30.The average of 7 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  31. 31.Aarav’s batting average after 5 innings is 46 runs. How many runs must Aarav score in the next innings to raise the average to 49?
  32. 32.The average of 8 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  33. 33.Isha’s batting average after 6 innings is 21 runs. How many runs must Isha score in the next innings to raise the average to 26?
  34. 34.The average weight of 6 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Pooja’s batting average after 5 innings is 26 runs. How many runs must Pooja score in the next innings to raise the average to 31?
  36. 36.Marks of 5 friends in a quiz: 37, 63, 41, 46, 58. What is their average mark?
  37. 37.The average of 6 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  38. 38.A shop sells an average of 40 kg of sugar a day for 5 days, and then 22 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  39. 39.Meera’s batting average after 7 innings is 20 runs. How many runs must Meera score in the next innings to raise the average to 25?
  40. 40.Marks of 6 friends in a quiz: 60, 58, 52, 62, 66, 92. What is their average mark?

Answer key

  1. 43
  2. 44
  3. 27
  4. 33
  5. 30
  6. 38
  7. 50
  8. 79
  9. 54
  10. 73
  11. 26
  12. 40
  13. 84
  14. 58
  15. 51
  16. 38
  17. 65
  18. 68
  19. 39
  20. 50
  21. 53
  22. 60
  23. 92
  24. 40
  25. 75
  26. 84
  27. 83
  28. 39
  29. 54
  30. 50
  31. 64
  32. 69
  33. 56
  34. 34
  35. 56
  36. 49
  37. 73
  38. 31
  39. 60
  40. 65

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