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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 12 · 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: 45, 29, 31, 55. What is their average mark?
  2. 2.A shop sells an average of 37 kg of sugar a day for 3 days, and then 77 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.The average weight of 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 72 kg of sugar a day for 6 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  5. 5.Marks of 4 friends in a quiz: 53, 56, 83, 80. What is their average mark?
  6. 6.Marks of 4 friends in a quiz: 13, 16, 29, 50. What is their average mark?
  7. 7.The average weight of 7 children is 48 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Meera’s batting average after 7 innings is 21 runs. How many runs must Meera score in the next innings to raise the average to 26?
  9. 9.The average of 4 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  10. 10.The average weight of 11 children is 47 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 6 friends in a quiz: 58, 61, 47, 50, 34, 26. What is their average mark?
  12. 12.A shop sells an average of 65 kg of sugar a day for 6 days, and then 55 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  13. 13.Marks of 5 friends in a quiz: 59, 56, 61, 72, 97. What is their average mark?
  14. 14.A shop sells an average of 45 kg of sugar a day for 2 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  15. 15.A shop sells an average of 25 kg of sugar a day for 5 days, and then 57 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  16. 16.The average of 7 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  17. 17.Marks of 5 friends in a quiz: 44, 38, 48, 37, 43. What is their average mark?
  18. 18.A shop sells an average of 24 kg of sugar a day for 4 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.The average of 5 numbers is 46. When one more number is added, the average becomes 47. What number was added?
  20. 20.A shop sells an average of 36 kg of sugar a day for 4 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  21. 21.The average weight of 12 children is 42 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 5 friends in a quiz: 55, 63, 44, 56, 42. What is their average mark?
  23. 23.A shop sells an average of 50 kg of sugar a day for 6 days, and then 62 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  24. 24.Aarav’s batting average after 7 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 46?
  25. 25.The average of 6 numbers is 44. When one more number is added, the average becomes 46. What number was added?
  26. 26.A shop sells an average of 32 kg of sugar a day for 4 days, and then 77 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.The average weight of 11 children is 45 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 9 children is 37 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 5 friends in a quiz: 23, 28, 29, 38, 17. What is their average mark?
  30. 30.The average weight of 11 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Vivaan’s batting average after 9 innings is 35 runs. How many runs must Vivaan score in the next innings to raise the average to 40?
  32. 32.A shop sells an average of 54 kg of sugar a day for 3 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  33. 33.Marks of 5 friends in a quiz: 49, 63, 65, 48, 55. What is their average mark?
  34. 34.Marks of 4 friends in a quiz: 59, 67, 65, 81. What is their average mark?
  35. 35.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Aditya’s batting average after 5 innings is 28 runs. How many runs must Aditya score in the next innings to raise the average to 33?
  37. 37.Marks of 5 friends in a quiz: 64, 65, 52, 52, 87. What is their average mark?
  38. 38.The average of 4 numbers is 40. When one more number is added, the average becomes 42. What number was added?
  39. 39.A shop sells an average of 23 kg of sugar a day for 5 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  40. 40.A shop sells an average of 25 kg of sugar a day for 4 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 40
  2. 62
  3. 45
  4. 60
  5. 68
  6. 27
  7. 45
  8. 61
  9. 56
  10. 45
  11. 46
  12. 60
  13. 69
  14. 52
  15. 41
  16. 45
  17. 42
  18. 36
  19. 52
  20. 31
  21. 41
  22. 52
  23. 56
  24. 74
  25. 58
  26. 59
  27. 43
  28. 34
  29. 27
  30. 29
  31. 85
  32. 46
  33. 56
  34. 68
  35. 35
  36. 58
  37. 64
  38. 50
  39. 25
  40. 31

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