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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 109 · 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 11 children is 41 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 63 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)?
  3. 3.Marks of 4 friends in a quiz: 20, 17, 31, 16. What is their average mark?
  4. 4.A shop sells an average of 25 kg of sugar a day for 4 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.Marks of 4 friends in a quiz: 75, 60, 68, 81. What is their average mark?
  6. 6.The average of 6 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  7. 7.Rohan’s batting average after 9 innings is 32 runs. How many runs must Rohan score in the next innings to raise the average to 33?
  8. 8.The average of 9 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  9. 9.Priya’s batting average after 12 innings is 21 runs. How many runs must Priya score in the next innings to raise the average to 23?
  10. 10.A shop sells an average of 32 kg of sugar a day for 5 days, and then 21 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  11. 11.Priya’s batting average after 13 innings is 41 runs. How many runs must Priya score in the next innings to raise the average to 46?
  12. 12.A shop sells an average of 47 kg of sugar a day for 4 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Farhan’s batting average after 11 innings is 48 runs. How many runs must Farhan score in the next innings to raise the average to 49?
  14. 14.Marks of 6 friends in a quiz: 48, 28, 25, 45, 34, 18. What is their average mark?
  15. 15.Sneha’s batting average after 13 innings is 46 runs. How many runs must Sneha score in the next innings to raise the average to 50?
  16. 16.Marks of 5 friends in a quiz: 48, 39, 32, 30, 46. What is their average mark?
  17. 17.The average weight of 11 children is 27 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 28 kg of sugar a day for 6 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.A shop sells an average of 68 kg of sugar a day for 5 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  20. 20.A shop sells an average of 50 kg of sugar a day for 5 days, and then 74 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.The average of 8 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  22. 22.Marks of 6 friends in a quiz: 73, 90, 65, 70, 90, 80. What is their average mark?
  23. 23.Marks of 5 friends in a quiz: 74, 71, 51, 60, 49. What is their average mark?
  24. 24.Marks of 6 friends in a quiz: 65, 80, 90, 92, 77, 70. What is their average mark?
  25. 25.The average weight of 6 children is 29 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 75 kg of sugar a day for 2 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  27. 27.The average of 9 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  28. 28.The average of 4 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  29. 29.Marks of 5 friends in a quiz: 13, 39, 23, 22, 28. What is their average mark?
  30. 30.Marks of 6 friends in a quiz: 54, 47, 51, 39, 63, 52. What is their average mark?
  31. 31.The average weight of 7 children is 32 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 7 children is 28 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 54 kg of sugar a day for 5 days, and then 38 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  34. 34.The average of 9 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  35. 35.The average weight of 12 children is 33 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 4 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  37. 37.The average of 5 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  38. 38.The average weight of 10 children is 42 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 6 friends in a quiz: 34, 39, 51, 37, 59, 44. What is their average mark?
  40. 40.Marks of 4 friends in a quiz: 60, 43, 68, 61. What is their average mark?

Answer key

  1. 38
  2. 51
  3. 21
  4. 24
  5. 71
  6. 29
  7. 42
  8. 75
  9. 47
  10. 26
  11. 111
  12. 57
  13. 60
  14. 33
  15. 102
  16. 39
  17. 25
  18. 31
  19. 62
  20. 59
  21. 82
  22. 78
  23. 61
  24. 79
  25. 26
  26. 65
  27. 50
  28. 68
  29. 25
  30. 51
  31. 30
  32. 27
  33. 46
  34. 65
  35. 31
  36. 40
  37. 55
  38. 41
  39. 44
  40. 58

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