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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 393 · 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 weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 6 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  3. 3.The average weight of 7 children is 38 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 49 kg of sugar a day for 2 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.Marks of 6 friends in a quiz: 63, 52, 57, 56, 75, 81. What is their average mark?
  6. 6.Zoya’s batting average after 8 innings is 20 runs. How many runs must Zoya score in the next innings to raise the average to 23?
  7. 7.The average weight of 6 children is 29 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.A shop sells an average of 23 kg of sugar a day for 6 days, and then 31 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  9. 9.Marks of 4 friends in a quiz: 28, 20, 40, 44. What is their average mark?
  10. 10.Karan’s batting average after 8 innings is 33 runs. How many runs must Karan score in the next innings to raise the average to 34?
  11. 11.The average weight of 11 children is 33 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 4 friends in a quiz: 14, 18, 23, 33. What is their average mark?
  13. 13.Manav’s batting average after 5 innings is 49 runs. How many runs must Manav score in the next innings to raise the average to 51?
  14. 14.A shop sells an average of 37 kg of sugar a day for 5 days, and then 43 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  15. 15.A shop sells an average of 75 kg of sugar a day for 2 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  16. 16.Marks of 6 friends in a quiz: 52, 62, 78, 71, 72, 61. What is their average mark?
  17. 17.The average of 9 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  18. 18.The average weight of 6 children is 29 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 35 kg of sugar a day for 6 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 51, 42, 58, 49. What is their average mark?
  21. 21.A shop sells an average of 76 kg of sugar a day for 4 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.Ishaan’s batting average after 15 innings is 23 runs. How many runs must Ishaan score in the next innings to raise the average to 28?
  23. 23.A shop sells an average of 30 kg of sugar a day for 3 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.Marks of 4 friends in a quiz: 33, 29, 46, 28. What is their average mark?
  25. 25.A shop sells an average of 42 kg of sugar a day for 6 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  26. 26.The average weight of 8 children is 30 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 5 friends in a quiz: 60, 72, 68, 67, 23. What is their average mark?
  28. 28.The average of 9 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  29. 29.Marks of 4 friends in a quiz: 55, 60, 34, 47. What is their average mark?
  30. 30.The average of 5 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  31. 31.A shop sells an average of 65 kg of sugar a day for 4 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  32. 32.Marks of 4 friends in a quiz: 98, 93, 94, 59. What is their average mark?
  33. 33.The average weight of 5 children is 35 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 7 children is 43 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average weight of 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 4 numbers is 41. When one more number is added, the average becomes 42. What number was added?
  37. 37.Marks of 6 friends in a quiz: 37, 20, 24, 35, 38, 44. What is their average mark?
  38. 38.A shop sells an average of 66 kg of sugar a day for 2 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.Marks of 6 friends in a quiz: 19, 42, 36, 22, 29, 20. What is their average mark?
  40. 40.The average weight of 9 children is 38 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 39
  2. 40
  3. 36
  4. 41
  5. 64
  6. 47
  7. 28
  8. 27
  9. 33
  10. 42
  11. 31
  12. 22
  13. 61
  14. 40
  15. 70
  16. 66
  17. 101
  18. 26
  19. 37
  20. 50
  21. 59
  22. 103
  23. 33
  24. 34
  25. 41
  26. 27
  27. 58
  28. 63
  29. 49
  30. 62
  31. 56
  32. 86
  33. 34
  34. 42
  35. 45
  36. 46
  37. 33
  38. 39
  39. 28
  40. 35

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