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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 6 · 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: 69, 58, 56, 68, 89. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 74, 57, 59, 82, 72, 58. What is their average mark?
  3. 3.A shop sells an average of 62 kg of sugar a day for 3 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  4. 4.Marks of 4 friends in a quiz: 65, 84, 78, 49. What is their average mark?
  5. 5.A shop sells an average of 31 kg of sugar a day for 3 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  6. 6.The average weight of 11 children is 39 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Karan’s batting average after 10 innings is 24 runs. How many runs must Karan score in the next innings to raise the average to 26?
  8. 8.Isha’s batting average after 14 innings is 27 runs. How many runs must Isha score in the next innings to raise the average to 28?
  9. 9.Marks of 5 friends in a quiz: 44, 39, 46, 37, 44. What is their average mark?
  10. 10.A shop sells an average of 59 kg of sugar a day for 3 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  11. 11.A shop sells an average of 80 kg of sugar a day for 2 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  12. 12.Marks of 6 friends in a quiz: 77, 69, 69, 54, 66, 67. What is their average mark?
  13. 13.The average of 4 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  14. 14.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)?
  15. 15.The average weight of 8 children is 46 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 4 friends in a quiz: 20, 18, 16, 66. What is their average mark?
  17. 17.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)?
  18. 18.Marks of 4 friends in a quiz: 31, 53, 53, 23. What is their average mark?
  19. 19.Aditya’s batting average after 8 innings is 22 runs. How many runs must Aditya score in the next innings to raise the average to 24?
  20. 20.The average weight of 9 children is 31 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 6 friends in a quiz: 32, 50, 50, 33, 23, 22. What is their average mark?
  22. 22.Isha’s batting average after 10 innings is 28 runs. How many runs must Isha score in the next innings to raise the average to 33?
  23. 23.Marks of 4 friends in a quiz: 47, 20, 19, 50. What is their average mark?
  24. 24.Marks of 4 friends in a quiz: 13, 34, 23, 38. What is their average mark?
  25. 25.A shop sells an average of 70 kg of sugar a day for 6 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  26. 26.Marks of 4 friends in a quiz: 77, 92, 93, 90. What is their average mark?
  27. 27.Marks of 6 friends in a quiz: 23, 44, 42, 45, 33, 29. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 29, 38, 32, 24, 67. What is their average mark?
  29. 29.The average weight of 9 children is 46 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Kavya’s batting average after 6 innings is 45 runs. How many runs must Kavya score in the next innings to raise the average to 48?
  31. 31.Marks of 4 friends in a quiz: 42, 46, 48, 80. What is their average mark?
  32. 32.A shop sells an average of 27 kg of sugar a day for 6 days, and then 69 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  33. 33.Arjun’s batting average after 12 innings is 22 runs. How many runs must Arjun score in the next innings to raise the average to 24?
  34. 34.The average of 8 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  35. 35.The average weight of 6 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 8 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  37. 37.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 5 friends in a quiz: 82, 93, 76, 83, 91. What is their average mark?
  39. 39.A shop sells an average of 59 kg of sugar a day for 2 days, and then 38 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.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)?

Answer key

  1. 68
  2. 67
  3. 54
  4. 69
  5. 51
  6. 36
  7. 46
  8. 42
  9. 42
  10. 57
  11. 44
  12. 67
  13. 30
  14. 36
  15. 45
  16. 30
  17. 33
  18. 40
  19. 40
  20. 29
  21. 35
  22. 83
  23. 34
  24. 27
  25. 59
  26. 88
  27. 36
  28. 38
  29. 45
  30. 66
  31. 54
  32. 41
  33. 48
  34. 61
  35. 29
  36. 58
  37. 40
  38. 85
  39. 45
  40. 32

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