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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 239 · 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 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 10 children is 32 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 4 numbers is 43. When one more number is added, the average becomes 44. What number was added?
  4. 4.A shop sells an average of 24 kg of sugar a day for 2 days, and then 64 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.A shop sells an average of 20 kg of sugar a day for 2 days, and then 76 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  6. 6.The average of 8 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  7. 7.The average weight of 8 children is 32 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 11 children is 46 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 10 children is 30 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 5 friends in a quiz: 44, 41, 25, 38, 17. What is their average mark?
  11. 11.Marks of 5 friends in a quiz: 76, 88, 63, 60, 78. What is their average mark?
  12. 12.The average of 5 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  13. 13.A shop sells an average of 60 kg of sugar a day for 5 days, and then 52 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.The average of 7 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  15. 15.The average weight of 6 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 6 friends in a quiz: 46, 33, 26, 26, 26, 89. What is their average mark?
  17. 17.A shop sells an average of 33 kg of sugar a day for 3 days, and then 41 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.Marks of 4 friends in a quiz: 97, 84, 93, 70. What is their average mark?
  19. 19.A shop sells an average of 40 kg of sugar a day for 3 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.Ishaan’s batting average after 12 innings is 30 runs. How many runs must Ishaan score in the next innings to raise the average to 34?
  21. 21.A shop sells an average of 70 kg of sugar a day for 5 days, and then 40 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 62, 57, 63, 62. What is their average mark?
  23. 23.The average weight of 11 children is 26 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 66 kg of sugar a day for 5 days, and then 62 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.A shop sells an average of 37 kg of sugar a day for 2 days, and then 61 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  26. 26.A shop sells an average of 27 kg of sugar a day for 4 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.Marks of 4 friends in a quiz: 25, 30, 26, 47. What is their average mark?
  28. 28.The average of 6 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  29. 29.Diya’s batting average after 8 innings is 29 runs. How many runs must Diya score in the next innings to raise the average to 32?
  30. 30.Pooja’s batting average after 15 innings is 44 runs. How many runs must Pooja score in the next innings to raise the average to 48?
  31. 31.Marks of 5 friends in a quiz: 35, 46, 37, 42, 5. What is their average mark?
  32. 32.A shop sells an average of 65 kg of sugar a day for 5 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  33. 33.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 6 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  35. 35.The average of 9 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  36. 36.The average of 7 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  37. 37.The average weight of 10 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Manav’s batting average after 14 innings is 41 runs. How many runs must Manav score in the next innings to raise the average to 42?
  39. 39.Marks of 5 friends in a quiz: 23, 22, 33, 7, 15. What is their average mark?
  40. 40.The average of 5 numbers is 33. When one more number is added, the average becomes 39. What number was added?

Answer key

  1. 41
  2. 31
  3. 48
  4. 44
  5. 60
  6. 67
  7. 29
  8. 43
  9. 29
  10. 33
  11. 73
  12. 31
  13. 56
  14. 59
  15. 27
  16. 41
  17. 38
  18. 86
  19. 38
  20. 82
  21. 55
  22. 61
  23. 25
  24. 64
  25. 55
  26. 34
  27. 32
  28. 89
  29. 56
  30. 108
  31. 33
  32. 57
  33. 28
  34. 79
  35. 30
  36. 84
  37. 33
  38. 56
  39. 20
  40. 69

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