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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 17 · 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 5 friends in a quiz: 85, 92, 90, 98, 55. What is their average mark?
  2. 2.The average of 6 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  3. 3.Rohan’s batting average after 10 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 32?
  4. 4.Marks of 5 friends in a quiz: 31, 33, 31, 23, 12. What is their average mark?
  5. 5.Marks of 5 friends in a quiz: 20, 21, 10, 13, 61. What is their average mark?
  6. 6.Marks of 6 friends in a quiz: 89, 77, 86, 103, 80, 99. What is their average mark?
  7. 7.Tara’s batting average after 14 innings is 21 runs. How many runs must Tara score in the next innings to raise the average to 25?
  8. 8.Marks of 4 friends in a quiz: 28, 31, 21, 24. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 26, 22, 25, 26, 61. What is their average mark?
  10. 10.The average weight of 9 children is 38 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 5 friends in a quiz: 74, 97, 95, 85, 89. What is their average mark?
  12. 12.The average weight of 11 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 8 numbers is 36. When one more number is added, the average becomes 39. What number was added?
  14. 14.The average of 4 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  15. 15.Marks of 6 friends in a quiz: 59, 67, 85, 65, 64, 92. What is their average mark?
  16. 16.Marks of 5 friends in a quiz: 41, 50, 26, 38, 25. What is their average mark?
  17. 17.Marks of 5 friends in a quiz: 102, 86, 89, 75, 98. What is their average mark?
  18. 18.Marks of 5 friends in a quiz: 59, 78, 87, 72, 74. What is their average mark?
  19. 19.The average weight of 8 children is 40 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 6 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  21. 21.A shop sells an average of 31 kg of sugar a day for 4 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.Dev’s batting average after 7 innings is 35 runs. How many runs must Dev score in the next innings to raise the average to 38?
  23. 23.The average of 4 numbers is 54. When one more number is added, the average becomes 57. What number was added?
  24. 24.A shop sells an average of 60 kg of sugar a day for 4 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.Marks of 6 friends in a quiz: 63, 73, 50, 58, 44, 60. What is their average mark?
  26. 26.The average of 7 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  27. 27.The average of 6 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  28. 28.The average weight of 9 children is 30 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 5 friends in a quiz: 59, 77, 75, 77, 82. What is their average mark?
  30. 30.The average of 6 numbers is 41. When one more number is added, the average becomes 44. What number was added?
  31. 31.Marks of 6 friends in a quiz: 69, 56, 57, 73, 73, 68. What is their average mark?
  32. 32.The average of 6 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  33. 33.The average weight of 10 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 4 friends in a quiz: 83, 55, 60, 82. What is their average mark?
  35. 35.A shop sells an average of 36 kg of sugar a day for 4 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.Marks of 4 friends in a quiz: 13, 23, 37, 39. What is their average mark?
  37. 37.The average of 5 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  38. 38.A shop sells an average of 34 kg of sugar a day for 5 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  39. 39.A shop sells an average of 32 kg of sugar a day for 2 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  40. 40.A shop sells an average of 32 kg of sugar a day for 4 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 84
  2. 83
  3. 82
  4. 26
  5. 25
  6. 89
  7. 81
  8. 26
  9. 32
  10. 36
  11. 88
  12. 33
  13. 63
  14. 65
  15. 72
  16. 36
  17. 90
  18. 74
  19. 37
  20. 65
  21. 37
  22. 59
  23. 69
  24. 48
  25. 58
  26. 49
  27. 46
  28. 27
  29. 74
  30. 62
  31. 66
  32. 44
  33. 33
  34. 70
  35. 35
  36. 28
  37. 54
  38. 30
  39. 30
  40. 29

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