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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 271 · 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 weight of 10 children is 37 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 57 kg of sugar a day for 2 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  3. 3.Marks of 6 friends in a quiz: 60, 40, 58, 32, 60, 20. What is their average mark?
  4. 4.A shop sells an average of 28 kg of sugar a day for 6 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  5. 5.The average of 7 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  6. 6.A shop sells an average of 61 kg of sugar a day for 3 days, and then 26 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  7. 7.The average weight of 12 children is 31 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average of 9 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  9. 9.The average of 8 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  10. 10.Aarav’s batting average after 9 innings is 33 runs. How many runs must Aarav score in the next innings to raise the average to 38?
  11. 11.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)?
  12. 12.Marks of 6 friends in a quiz: 62, 58, 69, 73, 48, 56. What is their average mark?
  13. 13.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Ishaan’s batting average after 13 innings is 45 runs. How many runs must Ishaan score in the next innings to raise the average to 46?
  15. 15.Rahul’s batting average after 13 innings is 44 runs. How many runs must Rahul score in the next innings to raise the average to 49?
  16. 16.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)?
  17. 17.A shop sells an average of 44 kg of sugar a day for 6 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  18. 18.The average weight of 6 children is 29 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 5 friends in a quiz: 81, 88, 83, 63, 55. What is their average mark?
  20. 20.Marks of 6 friends in a quiz: 41, 50, 67, 48, 63, 49. What is their average mark?
  21. 21.A shop sells an average of 52 kg of sugar a day for 2 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 27, 7, 32, 14. What is their average mark?
  23. 23.Arjun’s batting average after 10 innings is 32 runs. How many runs must Arjun score in the next innings to raise the average to 36?
  24. 24.A shop sells an average of 67 kg of sugar a day for 6 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.Marks of 4 friends in a quiz: 88, 92, 74, 58. What is their average mark?
  26. 26.Marks of 4 friends in a quiz: 54, 72, 77, 65. What is their average mark?
  27. 27.A shop sells an average of 25 kg of sugar a day for 3 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  28. 28.Marks of 5 friends in a quiz: 59, 38, 48, 32, 53. What is their average mark?
  29. 29.A shop sells an average of 49 kg of sugar a day for 3 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.Marks of 4 friends in a quiz: 92, 69, 92, 55. What is their average mark?
  31. 31.A shop sells an average of 28 kg of sugar a day for 6 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  32. 32.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 6 numbers is 59. When one more number is added, the average becomes 64. What number was added?
  34. 34.The average weight of 5 children is 43 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 75 kg of sugar a day for 6 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  36. 36.A shop sells an average of 50 kg of sugar a day for 3 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.Karan’s batting average after 12 innings is 39 runs. How many runs must Karan score in the next innings to raise the average to 42?
  38. 38.Aditya’s batting average after 12 innings is 24 runs. How many runs must Aditya score in the next innings to raise the average to 26?
  39. 39.Sneha’s batting average after 9 innings is 28 runs. How many runs must Sneha score in the next innings to raise the average to 30?
  40. 40.The average of 7 numbers is 25. When one more number is added, the average becomes 26. What number was added?

Answer key

  1. 34
  2. 39
  3. 45
  4. 29
  5. 28
  6. 41
  7. 29
  8. 69
  9. 45
  10. 83
  11. 43
  12. 61
  13. 29
  14. 59
  15. 114
  16. 36
  17. 50
  18. 26
  19. 74
  20. 53
  21. 44
  22. 20
  23. 76
  24. 66
  25. 78
  26. 67
  27. 47
  28. 46
  29. 38
  30. 77
  31. 50
  32. 28
  33. 94
  34. 42
  35. 65
  36. 64
  37. 78
  38. 50
  39. 48
  40. 33

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