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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 361 · 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: 25, 22, 26, 75. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 47, 38, 33, 14. What is their average mark?
  3. 3.Marks of 6 friends in a quiz: 25, 16, 29, 9, 14, 45. What is their average mark?
  4. 4.The average weight of 5 children is 35 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 5 friends in a quiz: 65, 63, 52, 61, 24. What is their average mark?
  6. 6.Farhan’s batting average after 9 innings is 32 runs. How many runs must Farhan score in the next innings to raise the average to 33?
  7. 7.Marks of 4 friends in a quiz: 43, 23, 36, 38. What is their average mark?
  8. 8.A shop sells an average of 24 kg of sugar a day for 4 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  9. 9.The average of 9 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  10. 10.Marks of 5 friends in a quiz: 62, 57, 43, 73, 55. What is their average mark?
  11. 11.A shop sells an average of 56 kg of sugar a day for 6 days, and then 64 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 76, 90, 87, 99. What is their average mark?
  13. 13.A shop sells an average of 34 kg of sugar a day for 4 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  14. 14.Zoya’s batting average after 7 innings is 40 runs. How many runs must Zoya score in the next innings to raise the average to 45?
  15. 15.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)?
  16. 16.The average weight of 10 children is 48 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 9 children is 40 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 7 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  19. 19.Marks of 5 friends in a quiz: 59, 62, 80, 82, 62. What is their average mark?
  20. 20.The average weight of 8 children is 27 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 71 kg of sugar a day for 2 days, and then 59 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.The average of 6 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  23. 23.Meera’s batting average after 10 innings is 45 runs. How many runs must Meera score in the next innings to raise the average to 46?
  24. 24.The average of 7 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  25. 25.The average of 9 numbers is 39. When one more number is added, the average becomes 41. What number was added?
  26. 26.The average weight of 6 children is 35 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average of 9 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  28. 28.The average of 9 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  29. 29.The average weight of 11 children is 41 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Farhan’s batting average after 9 innings is 38 runs. How many runs must Farhan score in the next innings to raise the average to 41?
  31. 31.A shop sells an average of 35 kg of sugar a day for 2 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  32. 32.The average weight of 12 children is 30 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 4 friends in a quiz: 81, 80, 72, 31. What is their average mark?
  34. 34.A shop sells an average of 36 kg of sugar a day for 5 days, and then 80 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  35. 35.Diya’s batting average after 12 innings is 50 runs. How many runs must Diya score in the next innings to raise the average to 51?
  36. 36.The average of 5 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  37. 37.The average of 4 numbers is 21. When one more number is added, the average becomes 27. What number was added?
  38. 38.The average weight of 11 children is 35 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 65 kg of sugar a day for 2 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  40. 40.Marks of 6 friends in a quiz: 44, 20, 24, 47, 49, 26. What is their average mark?

Answer key

  1. 37
  2. 33
  3. 23
  4. 32
  5. 53
  6. 42
  7. 35
  8. 28
  9. 80
  10. 58
  11. 60
  12. 88
  13. 28
  14. 80
  15. 41
  16. 45
  17. 38
  18. 50
  19. 69
  20. 25
  21. 63
  22. 61
  23. 56
  24. 71
  25. 59
  26. 32
  27. 65
  28. 38
  29. 39
  30. 68
  31. 49
  32. 28
  33. 66
  34. 60
  35. 63
  36. 45
  37. 51
  38. 32
  39. 66
  40. 35

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