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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 206 · 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: 50, 65, 72, 57. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 11, 15, 9, 23, 26, 42. What is their average mark?
  3. 3.The average of 7 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  4. 4.The average of 4 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  5. 5.The average weight of 12 children is 36 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 39 kg of sugar a day for 6 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  7. 7.The average weight of 8 children is 32 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 9 children is 39 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 51. When one more number is added, the average becomes 57. What number was added?
  10. 10.Kabir’s batting average after 10 innings is 46 runs. How many runs must Kabir score in the next innings to raise the average to 47?
  11. 11.Marks of 5 friends in a quiz: 82, 79, 82, 95, 87. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 73, 91, 86, 94. What is their average mark?
  13. 13.A shop sells an average of 36 kg of sugar a day for 2 days, and then 71 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  14. 14.The average of 7 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  15. 15.Marks of 4 friends in a quiz: 51, 51, 40, 34. What is their average mark?
  16. 16.Zoya’s batting average after 12 innings is 48 runs. How many runs must Zoya score in the next innings to raise the average to 49?
  17. 17.Marks of 6 friends in a quiz: 8, 13, 22, 32, 19, 26. What is their average mark?
  18. 18.Meera’s batting average after 13 innings is 41 runs. How many runs must Meera score in the next innings to raise the average to 46?
  19. 19.Kabir’s batting average after 7 innings is 34 runs. How many runs must Kabir score in the next innings to raise the average to 38?
  20. 20.Priya’s batting average after 5 innings is 34 runs. How many runs must Priya score in the next innings to raise the average to 38?
  21. 21.The average of 9 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  22. 22.The average weight of 12 children is 32 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Pooja’s batting average after 8 innings is 41 runs. How many runs must Pooja score in the next innings to raise the average to 42?
  24. 24.Marks of 6 friends in a quiz: 6, 12, 15, 19, 15, 59. What is their average mark?
  25. 25.The average of 5 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  26. 26.The average weight of 11 children is 30 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 10 children is 32 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 7 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  29. 29.The average weight of 10 children is 40 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 5 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  31. 31.The average weight of 11 children is 43 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Isha’s batting average after 7 innings is 48 runs. How many runs must Isha score in the next innings to raise the average to 53?
  33. 33.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)?
  34. 34.Rohan’s batting average after 5 innings is 42 runs. How many runs must Rohan score in the next innings to raise the average to 43?
  35. 35.Marks of 4 friends in a quiz: 33, 52, 37, 46. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 63, 53, 47, 33. What is their average mark?
  37. 37.The average weight of 11 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 5 friends in a quiz: 17, 16, 26, 41, 45. What is their average mark?
  39. 39.A shop sells an average of 41 kg of sugar a day for 3 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.The average of 9 numbers is 35. When one more number is added, the average becomes 40. What number was added?

Answer key

  1. 61
  2. 21
  3. 74
  4. 38
  5. 35
  6. 53
  7. 30
  8. 37
  9. 111
  10. 57
  11. 85
  12. 86
  13. 61
  14. 87
  15. 44
  16. 61
  17. 20
  18. 111
  19. 66
  20. 58
  21. 72
  22. 31
  23. 50
  24. 21
  25. 70
  26. 28
  27. 29
  28. 26
  29. 39
  30. 21
  31. 41
  32. 88
  33. 39
  34. 48
  35. 42
  36. 49
  37. 43
  38. 29
  39. 32
  40. 85

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