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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 331 · 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 6 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  2. 2.Marks of 4 friends in a quiz: 19, 38, 40, 7. What is their average mark?
  3. 3.A shop sells an average of 48 kg of sugar a day for 4 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.The average weight of 11 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 37 kg of sugar a day for 3 days, and then 61 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.The average of 5 numbers is 60. When one more number is added, the average becomes 63. What number was added?
  7. 7.Farhan’s batting average after 11 innings is 26 runs. How many runs must Farhan score in the next innings to raise the average to 31?
  8. 8.The average of 8 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  9. 9.Marks of 4 friends in a quiz: 86, 87, 91, 80. What is their average mark?
  10. 10.The average of 9 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  11. 11.The average of 6 numbers is 42. When one more number is added, the average becomes 46. What number was added?
  12. 12.Marks of 4 friends in a quiz: 15, 36, 16, 41. What is their average mark?
  13. 13.A shop sells an average of 57 kg of sugar a day for 2 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  14. 14.A shop sells an average of 30 kg of sugar a day for 6 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  15. 15.Saanvi’s batting average after 9 innings is 34 runs. How many runs must Saanvi score in the next innings to raise the average to 35?
  16. 16.Marks of 4 friends in a quiz: 76, 64, 77, 95. What is their average mark?
  17. 17.Vivaan’s batting average after 7 innings is 23 runs. How many runs must Vivaan score in the next innings to raise the average to 26?
  18. 18.Marks of 5 friends in a quiz: 50, 48, 51, 36, 10. What is their average mark?
  19. 19.Rahul’s batting average after 13 innings is 33 runs. How many runs must Rahul score in the next innings to raise the average to 38?
  20. 20.Marks of 4 friends in a quiz: 35, 32, 23, 58. What is their average mark?
  21. 21.A shop sells an average of 79 kg of sugar a day for 6 days, and then 27 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 83, 64, 64, 85. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 45, 56, 72, 55. What is their average mark?
  24. 24.The average weight of 12 children is 45 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 4 friends in a quiz: 75, 47, 49, 73. What is their average mark?
  26. 26.The average of 4 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  27. 27.The average weight of 7 children is 29 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 76 kg of sugar a day for 5 days, and then 44 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  29. 29.Meera’s batting average after 14 innings is 35 runs. How many runs must Meera score in the next innings to raise the average to 40?
  30. 30.Rohan’s batting average after 8 innings is 42 runs. How many runs must Rohan score in the next innings to raise the average to 46?
  31. 31.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 6 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  33. 33.A shop sells an average of 70 kg of sugar a day for 5 days, and then 37 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  34. 34.A shop sells an average of 43 kg of sugar a day for 3 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  35. 35.The average of 9 numbers is 56. When one more number is added, the average becomes 61. What number was added?
  36. 36.Marks of 4 friends in a quiz: 38, 23, 18, 41. What is their average mark?
  37. 37.The average weight of 8 children is 28 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 5 friends in a quiz: 84, 72, 64, 82, 43. What is their average mark?
  39. 39.The average weight of 5 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 53
  2. 26
  3. 45
  4. 45
  5. 52
  6. 78
  7. 86
  8. 76
  9. 86
  10. 68
  11. 70
  12. 27
  13. 56
  14. 28
  15. 44
  16. 78
  17. 47
  18. 39
  19. 103
  20. 37
  21. 53
  22. 74
  23. 57
  24. 42
  25. 61
  26. 59
  27. 28
  28. 60
  29. 110
  30. 78
  31. 40
  32. 73
  33. 52
  34. 41
  35. 106
  36. 30
  37. 26
  38. 69
  39. 33
  40. 28

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