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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 630 · 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 36. When one more number is added, the average becomes 39. What number was added?
  2. 2.The average weight of 8 children is 35 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 5 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  4. 4.The average of 6 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  5. 5.Arjun’s batting average after 10 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 27?
  6. 6.Arjun’s batting average after 11 innings is 39 runs. How many runs must Arjun score in the next innings to raise the average to 44?
  7. 7.A shop sells an average of 61 kg of sugar a day for 2 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  8. 8.The average weight of 10 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 40, 38, 28, 24, 60. What is their average mark?
  10. 10.A shop sells an average of 22 kg of sugar a day for 4 days, and then 26 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.Rohan’s batting average after 9 innings is 24 runs. How many runs must Rohan score in the next innings to raise the average to 26?
  12. 12.Marks of 6 friends in a quiz: 90, 68, 70, 76, 86, 78. What is their average mark?
  13. 13.The average of 8 numbers is 21. When one more number is added, the average becomes 27. What number was added?
  14. 14.The average of 4 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  15. 15.Meera’s batting average after 5 innings is 25 runs. How many runs must Meera score in the next innings to raise the average to 26?
  16. 16.A shop sells an average of 40 kg of sugar a day for 3 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  17. 17.The average of 4 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  18. 18.Karan’s batting average after 7 innings is 34 runs. How many runs must Karan score in the next innings to raise the average to 38?
  19. 19.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)?
  20. 20.Manav’s batting average after 12 innings is 21 runs. How many runs must Manav score in the next innings to raise the average to 23?
  21. 21.The average of 4 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  22. 22.The average weight of 12 children is 29 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 6 friends in a quiz: 41, 30, 13, 31, 16, 31. What is their average mark?
  24. 24.The average of 7 numbers is 32. When one more number is added, the average becomes 36. What number was added?
  25. 25.Rohan’s batting average after 11 innings is 24 runs. How many runs must Rohan score in the next innings to raise the average to 25?
  26. 26.The average weight of 12 children is 35 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 4 friends in a quiz: 59, 39, 56, 26. What is their average mark?
  28. 28.Marks of 6 friends in a quiz: 8, 32, 13, 16, 19, 44. What is their average mark?
  29. 29.Priya’s batting average after 12 innings is 23 runs. How many runs must Priya score in the next innings to raise the average to 27?
  30. 30.A shop sells an average of 22 kg of sugar a day for 2 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  31. 31.The average of 5 numbers is 37. When one more number is added, the average becomes 40. What number was added?
  32. 32.Marks of 6 friends in a quiz: 57, 43, 55, 41, 35, 51. What is their average mark?
  33. 33.Marks of 6 friends in a quiz: 33, 11, 19, 23, 40, 24. What is their average mark?
  34. 34.Marks of 4 friends in a quiz: 68, 61, 44, 39. What is their average mark?
  35. 35.The average weight of 12 children is 36 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 77 kg of sugar a day for 3 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  37. 37.A shop sells an average of 56 kg of sugar a day for 3 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.The average of 8 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  39. 39.Zoya’s batting average after 14 innings is 35 runs. How many runs must Zoya score in the next innings to raise the average to 38?
  40. 40.Marks of 4 friends in a quiz: 94, 96, 75, 91. What is their average mark?

Answer key

  1. 51
  2. 33
  3. 49
  4. 28
  5. 57
  6. 99
  7. 40
  8. 42
  9. 38
  10. 24
  11. 44
  12. 78
  13. 75
  14. 47
  15. 31
  16. 48
  17. 20
  18. 66
  19. 29
  20. 47
  21. 32
  22. 28
  23. 27
  24. 64
  25. 36
  26. 34
  27. 45
  28. 22
  29. 75
  30. 41
  31. 55
  32. 47
  33. 25
  34. 53
  35. 35
  36. 45
  37. 38
  38. 53
  39. 80
  40. 89

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