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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 57 · 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 of 4 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  2. 2.A shop sells an average of 29 kg of sugar a day for 3 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.The average of 5 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  4. 4.Marks of 4 friends in a quiz: 82, 67, 83, 60. What is their average mark?
  5. 5.Marks of 4 friends in a quiz: 70, 73, 70, 59. What is their average mark?
  6. 6.The average weight of 5 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 25 kg of sugar a day for 6 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  8. 8.Marks of 6 friends in a quiz: 41, 42, 44, 59, 59, 91. What is their average mark?
  9. 9.The average weight of 9 children is 26 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 8 children is 31 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 4 friends in a quiz: 76, 66, 62, 60. What is their average mark?
  12. 12.The average weight of 12 children is 34 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average weight of 9 children is 42 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 6 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  15. 15.Marks of 4 friends in a quiz: 71, 48, 52, 73. What is their average mark?
  16. 16.A shop sells an average of 29 kg of sugar a day for 2 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  17. 17.The average of 5 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  18. 18.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Priya’s batting average after 15 innings is 23 runs. How many runs must Priya score in the next innings to raise the average to 28?
  20. 20.A shop sells an average of 63 kg of sugar a day for 5 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  21. 21.Manav’s batting average after 9 innings is 44 runs. How many runs must Manav score in the next innings to raise the average to 49?
  22. 22.The average weight of 7 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Kavya’s batting average after 13 innings is 36 runs. How many runs must Kavya score in the next innings to raise the average to 40?
  24. 24.The average weight of 5 children is 27 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.A shop sells an average of 58 kg of sugar a day for 4 days, and then 33 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.Marks of 6 friends in a quiz: 75, 96, 98, 85, 71, 73. What is their average mark?
  27. 27.A shop sells an average of 30 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)?
  28. 28.The average of 8 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  29. 29.The average of 5 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  30. 30.The average of 6 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  31. 31.Kabir’s batting average after 6 innings is 32 runs. How many runs must Kabir score in the next innings to raise the average to 35?
  32. 32.The average of 4 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  33. 33.The average of 6 numbers is 40. When one more number is added, the average becomes 41. What number was added?
  34. 34.The average weight of 12 children is 44 kg. One child, who weighs 77 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 4 friends in a quiz: 87, 62, 89, 66. What is their average mark?
  36. 36.The average of 6 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  37. 37.Ananya’s batting average after 5 innings is 29 runs. How many runs must Ananya score in the next innings to raise the average to 33?
  38. 38.Marks of 5 friends in a quiz: 69, 73, 66, 66, 51. What is their average mark?
  39. 39.The average of 5 numbers is 60. When one more number is added, the average becomes 65. What number was added?
  40. 40.Arjun’s batting average after 8 innings is 42 runs. How many runs must Arjun score in the next innings to raise the average to 46?

Answer key

  1. 89
  2. 25
  3. 47
  4. 73
  5. 68
  6. 34
  7. 37
  8. 56
  9. 25
  10. 30
  11. 66
  12. 32
  13. 39
  14. 54
  15. 61
  16. 44
  17. 38
  18. 36
  19. 103
  20. 61
  21. 94
  22. 38
  23. 92
  24. 26
  25. 43
  26. 83
  27. 42
  28. 85
  29. 68
  30. 80
  31. 53
  32. 43
  33. 47
  34. 41
  35. 76
  36. 43
  37. 53
  38. 65
  39. 90
  40. 78

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