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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 600 · 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 9 children is 36 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 6 friends in a quiz: 28, 44, 30, 37, 46, 43. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 43, 23, 38, 32. What is their average mark?
  4. 4.The average of 9 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  5. 5.The average of 9 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  6. 6.Diya’s batting average after 11 innings is 33 runs. How many runs must Diya score in the next innings to raise the average to 36?
  7. 7.A shop sells an average of 42 kg of sugar a day for 6 days, and then 67 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  8. 8.Rahul’s batting average after 8 innings is 38 runs. How many runs must Rahul score in the next innings to raise the average to 43?
  9. 9.Marks of 4 friends in a quiz: 19, 37, 16, 36. What is their average mark?
  10. 10.Marks of 5 friends in a quiz: 50, 60, 80, 61, 74. What is their average mark?
  11. 11.Meera’s batting average after 11 innings is 38 runs. How many runs must Meera score in the next innings to raise the average to 39?
  12. 12.Marks of 4 friends in a quiz: 27, 42, 43, 44. What is their average mark?
  13. 13.The average of 6 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  14. 14.Marks of 6 friends in a quiz: 47, 26, 39, 36, 30, 38. What is their average mark?
  15. 15.A shop sells an average of 67 kg of sugar a day for 6 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  16. 16.A shop sells an average of 73 kg of sugar a day for 5 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.A shop sells an average of 22 kg of sugar a day for 6 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.The average of 8 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  19. 19.The average weight of 9 children is 41 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 36 kg of sugar a day for 4 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Marks of 4 friends in a quiz: 90, 83, 76, 79. What is their average mark?
  22. 22.The average of 4 numbers is 60. When one more number is added, the average becomes 65. What number was added?
  23. 23.Marks of 5 friends in a quiz: 53, 49, 40, 32, 16. What is their average mark?
  24. 24.The average weight of 8 children is 30 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 9 children is 33 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 8 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  27. 27.A shop sells an average of 20 kg of sugar a day for 3 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  28. 28.Marks of 5 friends in a quiz: 44, 47, 37, 48, 54. What is their average mark?
  29. 29.Meera’s batting average after 10 innings is 25 runs. How many runs must Meera score in the next innings to raise the average to 27?
  30. 30.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 11 children is 35 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 76 kg of sugar a day for 5 days, and then 48 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  33. 33.A shop sells an average of 80 kg of sugar a day for 3 days, and then 48 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.Marks of 5 friends in a quiz: 68, 53, 59, 67, 88. What is their average mark?
  35. 35.A shop sells an average of 50 kg of sugar a day for 6 days, and then 41 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  36. 36.The average weight of 11 children is 34 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Aditya’s batting average after 5 innings is 47 runs. How many runs must Aditya score in the next innings to raise the average to 49?
  38. 38.The average of 6 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  39. 39.The average weight of 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 4 friends in a quiz: 19, 18, 23, 40. What is their average mark?

Answer key

  1. 34
  2. 38
  3. 34
  4. 49
  5. 56
  6. 69
  7. 52
  8. 83
  9. 27
  10. 65
  11. 50
  12. 39
  13. 61
  14. 36
  15. 53
  16. 57
  17. 36
  18. 94
  19. 39
  20. 56
  21. 82
  22. 85
  23. 38
  24. 29
  25. 31
  26. 41
  27. 40
  28. 46
  29. 47
  30. 37
  31. 34
  32. 62
  33. 60
  34. 67
  35. 47
  36. 31
  37. 59
  38. 68
  39. 27
  40. 25

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