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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 528 · 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 52. When one more number is added, the average becomes 55. What number was added?
  2. 2.Marks of 5 friends in a quiz: 11, 9, 10, 9, 81. What is their average mark?
  3. 3.The average weight of 12 children is 46 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 75 kg of sugar a day for 2 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.A shop sells an average of 70 kg of sugar a day for 4 days, and then 34 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.Pooja’s batting average after 9 innings is 20 runs. How many runs must Pooja score in the next innings to raise the average to 25?
  7. 7.Marks of 4 friends in a quiz: 29, 14, 7, 34. What is their average mark?
  8. 8.Diya’s batting average after 7 innings is 32 runs. How many runs must Diya score in the next innings to raise the average to 34?
  9. 9.The average of 7 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  10. 10.The average weight of 8 children is 31 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 5 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  12. 12.The average of 9 numbers is 34. When one more number is added, the average becomes 39. What number was added?
  13. 13.The average of 9 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  14. 14.A shop sells an average of 79 kg of sugar a day for 2 days, and then 25 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.A shop sells an average of 63 kg of sugar a day for 2 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  16. 16.A shop sells an average of 66 kg of sugar a day for 2 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  17. 17.Tara’s batting average after 9 innings is 21 runs. How many runs must Tara score in the next innings to raise the average to 24?
  18. 18.The average weight of 10 children is 29 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Aditya’s batting average after 7 innings is 42 runs. How many runs must Aditya score in the next innings to raise the average to 44?
  21. 21.The average weight of 7 children is 41 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 5 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  23. 23.Isha’s batting average after 15 innings is 20 runs. How many runs must Isha score in the next innings to raise the average to 21?
  24. 24.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 4 friends in a quiz: 55, 73, 74, 78. What is their average mark?
  26. 26.Marks of 6 friends in a quiz: 55, 54, 58, 54, 39, 64. What is their average mark?
  27. 27.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Aditya’s batting average after 10 innings is 22 runs. How many runs must Aditya score in the next innings to raise the average to 23?
  29. 29.Kabir’s batting average after 13 innings is 46 runs. How many runs must Kabir score in the next innings to raise the average to 47?
  30. 30.A shop sells an average of 50 kg of sugar a day for 2 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.The average weight of 5 children is 44 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 56 kg of sugar a day for 6 days, and then 41 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  33. 33.The average weight of 7 children is 32 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 4 friends in a quiz: 66, 63, 56, 27. What is their average mark?
  35. 35.The average of 4 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  36. 36.The average weight of 7 children is 38 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 6 friends in a quiz: 69, 74, 51, 73, 73, 50. What is their average mark?
  38. 38.A shop sells an average of 21 kg of sugar a day for 2 days, and then 39 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.Vivaan’s batting average after 9 innings is 21 runs. How many runs must Vivaan score in the next innings to raise the average to 24?
  40. 40.Marks of 4 friends in a quiz: 24, 27, 52, 49. What is their average mark?

Answer key

  1. 67
  2. 24
  3. 45
  4. 57
  5. 52
  6. 70
  7. 21
  8. 48
  9. 26
  10. 28
  11. 59
  12. 84
  13. 59
  14. 43
  15. 51
  16. 72
  17. 51
  18. 28
  19. 39
  20. 58
  21. 40
  22. 60
  23. 36
  24. 44
  25. 70
  26. 54
  27. 36
  28. 33
  29. 60
  30. 56
  31. 43
  32. 51
  33. 31
  34. 53
  35. 26
  36. 37
  37. 65
  38. 33
  39. 51
  40. 38

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