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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 4 · 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: 59, 86, 56, 83. What is their average mark?
  2. 2.The average of 6 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  3. 3.The average of 9 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  4. 4.The average of 6 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  5. 5.Karan’s batting average after 6 innings is 27 runs. How many runs must Karan score in the next innings to raise the average to 29?
  6. 6.The average of 6 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  7. 7.A shop sells an average of 23 kg of sugar a day for 5 days, and then 71 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.A shop sells an average of 45 kg of sugar a day for 3 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  9. 9.Priya’s batting average after 13 innings is 32 runs. How many runs must Priya score in the next innings to raise the average to 34?
  10. 10.Kabir’s batting average after 11 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 22?
  11. 11.Marks of 4 friends in a quiz: 50, 56, 72, 50. What is their average mark?
  12. 12.The average of 7 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  13. 13.A shop sells an average of 33 kg of sugar a day for 2 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  14. 14.Marks of 4 friends in a quiz: 37, 42, 23, 26. What is their average mark?
  15. 15.A shop sells an average of 78 kg of sugar a day for 4 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.The average weight of 8 children is 44 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 5 friends in a quiz: 59, 50, 55, 67, 89. What is their average mark?
  18. 18.The average of 7 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  19. 19.The average of 5 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  20. 20.Marks of 5 friends in a quiz: 21, 22, 36, 22, 34. What is their average mark?
  21. 21.The average of 6 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  22. 22.The average of 4 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  23. 23.Kavya’s batting average after 11 innings is 49 runs. How many runs must Kavya score in the next innings to raise the average to 53?
  24. 24.A shop sells an average of 63 kg of sugar a day for 2 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.Marks of 4 friends in a quiz: 26, 14, 22, 42. What is their average mark?
  26. 26.Marks of 6 friends in a quiz: 61, 70, 82, 67, 70, 82. What is their average mark?
  27. 27.Marks of 4 friends in a quiz: 82, 60, 55, 71. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 61, 61, 63, 70, 85. What is their average mark?
  29. 29.Marks of 5 friends in a quiz: 65, 46, 57, 48, 34. What is their average mark?
  30. 30.The average of 4 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  31. 31.The average of 4 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  32. 32.The average of 7 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  33. 33.The average of 4 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  34. 34.The average weight of 5 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Priya’s batting average after 11 innings is 47 runs. How many runs must Priya score in the next innings to raise the average to 48?
  36. 36.The average of 4 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  37. 37.The average weight of 6 children is 39 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 7 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 4 friends in a quiz: 41, 31, 49, 27. What is their average mark?
  40. 40.Diya’s batting average after 8 innings is 20 runs. How many runs must Diya score in the next innings to raise the average to 21?

Answer key

  1. 71
  2. 46
  3. 42
  4. 93
  5. 41
  6. 35
  7. 41
  8. 57
  9. 60
  10. 33
  11. 57
  12. 68
  13. 37
  14. 32
  15. 67
  16. 42
  17. 64
  18. 45
  19. 49
  20. 27
  21. 90
  22. 54
  23. 97
  24. 42
  25. 26
  26. 72
  27. 67
  28. 68
  29. 50
  30. 37
  31. 31
  32. 79
  33. 48
  34. 26
  35. 59
  36. 35
  37. 37
  38. 39
  39. 37
  40. 29

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