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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 349 · 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.Marks of 4 friends in a quiz: 85, 87, 77, 99. What is their average mark?
  2. 2.The average weight of 6 children is 29 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 33 kg of sugar a day for 4 days, and then 48 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  4. 4.The average of 7 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  5. 5.Marks of 6 friends in a quiz: 27, 28, 16, 33, 15, 37. What is their average mark?
  6. 6.The average weight of 7 children is 36 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Priya’s batting average after 14 innings is 33 runs. How many runs must Priya score in the next innings to raise the average to 36?
  8. 8.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 9 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  10. 10.The average of 7 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  11. 11.A shop sells an average of 52 kg of sugar a day for 3 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  12. 12.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)?
  13. 13.The average weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 4 friends in a quiz: 18, 17, 12, 41. What is their average mark?
  15. 15.A shop sells an average of 67 kg of sugar a day for 3 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  16. 16.The average of 7 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  17. 17.The average of 4 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  18. 18.The average weight of 10 children is 34 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Pooja’s batting average after 6 innings is 49 runs. How many runs must Pooja score in the next innings to raise the average to 54?
  20. 20.Aarav’s batting average after 10 innings is 22 runs. How many runs must Aarav score in the next innings to raise the average to 24?
  21. 21.The average of 7 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  22. 22.The average weight of 9 children is 44 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 5 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  24. 24.A shop sells an average of 52 kg of sugar a day for 2 days, and then 22 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Marks of 4 friends in a quiz: 36, 35, 11, 6. What is their average mark?
  26. 26.Marks of 6 friends in a quiz: 40, 22, 38, 36, 17, 39. What is their average mark?
  27. 27.Sneha’s batting average after 14 innings is 44 runs. How many runs must Sneha score in the next innings to raise the average to 47?
  28. 28.The average of 4 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  29. 29.The average of 7 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  30. 30.Marks of 5 friends in a quiz: 13, 26, 28, 10, 23. What is their average mark?
  31. 31.The average of 5 numbers is 57. When one more number is added, the average becomes 59. What number was added?
  32. 32.Marks of 5 friends in a quiz: 51, 28, 51, 33, 52. What is their average mark?
  33. 33.Marks of 5 friends in a quiz: 44, 62, 40, 64, 45. What is their average mark?
  34. 34.The average of 7 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  35. 35.The average of 4 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  36. 36.A shop sells an average of 76 kg of sugar a day for 2 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.A shop sells an average of 66 kg of sugar a day for 3 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  38. 38.A shop sells an average of 35 kg of sugar a day for 6 days, and then 74 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  39. 39.A shop sells an average of 40 kg of sugar a day for 4 days, and then 60 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.Marks of 4 friends in a quiz: 51, 43, 43, 15. What is their average mark?

Answer key

  1. 87
  2. 28
  3. 42
  4. 35
  5. 26
  6. 33
  7. 78
  8. 43
  9. 54
  10. 66
  11. 54
  12. 40
  13. 39
  14. 22
  15. 57
  16. 104
  17. 48
  18. 31
  19. 84
  20. 44
  21. 52
  22. 42
  23. 38
  24. 32
  25. 22
  26. 32
  27. 89
  28. 32
  29. 62
  30. 20
  31. 69
  32. 43
  33. 51
  34. 56
  35. 68
  36. 59
  37. 56
  38. 48
  39. 50
  40. 38

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