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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 496 · 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 6 friends in a quiz: 66, 91, 71, 84, 67, 77. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 20, 28, 39, 49. What is their average mark?
  3. 3.Manav’s batting average after 11 innings is 30 runs. How many runs must Manav score in the next innings to raise the average to 33?
  4. 4.The average of 6 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  5. 5.Aditya’s batting average after 8 innings is 25 runs. How many runs must Aditya score in the next innings to raise the average to 27?
  6. 6.The average of 6 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  7. 7.Marks of 4 friends in a quiz: 25, 30, 17, 8. What is their average mark?
  8. 8.A shop sells an average of 64 kg of sugar a day for 3 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  9. 9.Marks of 4 friends in a quiz: 63, 70, 74, 41. What is their average mark?
  10. 10.Marks of 4 friends in a quiz: 53, 62, 52, 21. What is their average mark?
  11. 11.The average of 7 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  12. 12.The average of 5 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  13. 13.Farhan’s batting average after 8 innings is 33 runs. How many runs must Farhan score in the next innings to raise the average to 34?
  14. 14.The average of 4 numbers is 31. When one more number is added, the average becomes 32. What number was added?
  15. 15.The average of 5 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  16. 16.The average weight of 12 children is 40 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 6 friends in a quiz: 74, 71, 76, 62, 89, 72. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 20, 43, 20, 45. What is their average mark?
  19. 19.Marks of 6 friends in a quiz: 29, 39, 24, 11, 20, 33. What is their average mark?
  20. 20.The average weight of 5 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 52 kg of sugar a day for 5 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  22. 22.Kavya’s batting average after 9 innings is 47 runs. How many runs must Kavya score in the next innings to raise the average to 50?
  23. 23.The average weight of 10 children is 46 kg. One child, who weighs 73 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 54 kg of sugar a day for 2 days, and then 46 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.The average of 5 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  26. 26.The average weight of 7 children is 37 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 10 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 5 friends in a quiz: 38, 26, 39, 15, 22. What is their average mark?
  30. 30.A shop sells an average of 29 kg of sugar a day for 2 days, and then 43 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 21. When one more number is added, the average becomes 27. What number was added?
  32. 32.Marks of 5 friends in a quiz: 24, 19, 22, 27, 18. What is their average mark?
  33. 33.The average weight of 8 children is 35 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 4 friends in a quiz: 22, 16, 15, 35. What is their average mark?
  35. 35.The average of 9 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  36. 36.Marks of 5 friends in a quiz: 27, 31, 33, 25, 14. What is their average mark?
  37. 37.Zoya’s batting average after 6 innings is 46 runs. How many runs must Zoya score in the next innings to raise the average to 50?
  38. 38.Marks of 5 friends in a quiz: 85, 62, 55, 55, 93. What is their average mark?
  39. 39.A shop sells an average of 64 kg of sugar a day for 2 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  40. 40.Marks of 6 friends in a quiz: 41, 44, 57, 64, 48, 70. What is their average mark?

Answer key

  1. 76
  2. 34
  3. 66
  4. 78
  5. 43
  6. 91
  7. 20
  8. 68
  9. 62
  10. 47
  11. 75
  12. 56
  13. 42
  14. 36
  15. 33
  16. 38
  17. 74
  18. 32
  19. 26
  20. 38
  21. 48
  22. 77
  23. 43
  24. 50
  25. 43
  26. 35
  27. 30
  28. 31
  29. 28
  30. 36
  31. 57
  32. 22
  33. 34
  34. 22
  35. 111
  36. 26
  37. 74
  38. 70
  39. 51
  40. 54

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