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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 618 · 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.A shop sells an average of 76 kg of sugar a day for 6 days, and then 42 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  2. 2.Marks of 4 friends in a quiz: 63, 67, 48, 58. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 65, 49, 62, 60. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 66, 82, 86, 82. What is their average mark?
  5. 5.The average weight of 7 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Aditya’s batting average after 6 innings is 20 runs. How many runs must Aditya score in the next innings to raise the average to 22?
  7. 7.Tara’s batting average after 8 innings is 20 runs. How many runs must Tara score in the next innings to raise the average to 22?
  8. 8.A shop sells an average of 23 kg of sugar a day for 3 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.The average of 9 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  10. 10.Marks of 6 friends in a quiz: 17, 22, 46, 20, 43, 38. What is their average mark?
  11. 11.The average weight of 12 children is 29 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 7 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  13. 13.A shop sells an average of 21 kg of sugar a day for 4 days, and then 25 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.The average of 9 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  15. 15.Pooja’s batting average after 12 innings is 50 runs. How many runs must Pooja score in the next innings to raise the average to 53?
  16. 16.The average weight of 12 children is 33 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 6 friends in a quiz: 20, 26, 10, 34, 10, 50. What is their average mark?
  18. 18.Marks of 6 friends in a quiz: 55, 49, 57, 62, 35, 30. What is their average mark?
  19. 19.Sneha’s batting average after 14 innings is 49 runs. How many runs must Sneha score in the next innings to raise the average to 51?
  20. 20.A shop sells an average of 39 kg of sugar a day for 3 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  21. 21.The average of 6 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  22. 22.The average of 6 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  23. 23.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 74 kg of sugar a day for 2 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  25. 25.The average of 4 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  26. 26.Vivaan’s batting average after 8 innings is 34 runs. How many runs must Vivaan score in the next innings to raise the average to 36?
  27. 27.The average weight of 5 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 6 friends in a quiz: 76, 51, 67, 74, 54, 50. What is their average mark?
  29. 29.The average of 6 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  30. 30.A shop sells an average of 53 kg of sugar a day for 2 days, and then 73 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 16. When one more number is added, the average becomes 17. What number was added?
  32. 32.A shop sells an average of 60 kg of sugar a day for 3 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  33. 33.A shop sells an average of 28 kg of sugar a day for 2 days, and then 76 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.Manav’s batting average after 6 innings is 43 runs. How many runs must Manav score in the next innings to raise the average to 45?
  35. 35.A shop sells an average of 38 kg of sugar a day for 5 days, and then 40 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  36. 36.A shop sells an average of 45 kg of sugar a day for 2 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.A shop sells an average of 68 kg of sugar a day for 6 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  38. 38.The average of 8 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  39. 39.The average weight of 12 children is 34 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 12 children is 39 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 59
  2. 59
  3. 59
  4. 79
  5. 41
  6. 34
  7. 38
  8. 27
  9. 54
  10. 31
  11. 26
  12. 42
  13. 23
  14. 49
  15. 89
  16. 31
  17. 25
  18. 48
  19. 79
  20. 56
  21. 67
  22. 90
  23. 37
  24. 47
  25. 62
  26. 52
  27. 25
  28. 62
  29. 56
  30. 63
  31. 22
  32. 46
  33. 64
  34. 57
  35. 39
  36. 53
  37. 52
  38. 81
  39. 33
  40. 37

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