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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 282 · 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 10 children is 36 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 8 children is 44 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 22 kg of sugar a day for 5 days, and then 48 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  4. 4.Ananya’s batting average after 15 innings is 29 runs. How many runs must Ananya score in the next innings to raise the average to 30?
  5. 5.The average weight of 9 children is 26 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 8 children is 26 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 7 numbers is 57. When one more number is added, the average becomes 60. What number was added?
  8. 8.The average weight of 7 children is 27 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 11 children is 47 kg. One child, who weighs 77 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Pooja’s batting average after 15 innings is 29 runs. How many runs must Pooja score in the next innings to raise the average to 31?
  11. 11.Marks of 6 friends in a quiz: 44, 62, 54, 35, 58, 35. What is their average mark?
  12. 12.The average of 4 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  13. 13.A shop sells an average of 75 kg of sugar a day for 3 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.Marks of 4 friends in a quiz: 66, 74, 61, 55. What is their average mark?
  15. 15.A shop sells an average of 25 kg of sugar a day for 3 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  16. 16.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Sneha’s batting average after 6 innings is 29 runs. How many runs must Sneha score in the next innings to raise the average to 31?
  18. 18.The average of 9 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  19. 19.Marks of 6 friends in a quiz: 65, 47, 57, 42, 58, 43. What is their average mark?
  20. 20.Marks of 4 friends in a quiz: 97, 75, 96, 60. What is their average mark?
  21. 21.The average weight of 6 children is 38 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 8 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  23. 23.The average of 4 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  24. 24.A shop sells an average of 69 kg of sugar a day for 6 days, and then 51 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 62, 57, 58, 60, 88. What is their average mark?
  26. 26.The average of 6 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  27. 27.The average weight of 6 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Ishaan’s batting average after 7 innings is 20 runs. How many runs must Ishaan score in the next innings to raise the average to 23?
  29. 29.Marks of 6 friends in a quiz: 29, 36, 30, 38, 41, 90. What is their average mark?
  30. 30.Marks of 6 friends in a quiz: 88, 74, 70, 61, 78, 85. What is their average mark?
  31. 31.Zoya’s batting average after 15 innings is 30 runs. How many runs must Zoya score in the next innings to raise the average to 31?
  32. 32.Marks of 6 friends in a quiz: 56, 64, 49, 60, 45, 68. What is their average mark?
  33. 33.Manav’s batting average after 6 innings is 34 runs. How many runs must Manav score in the next innings to raise the average to 36?
  34. 34.A shop sells an average of 46 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)?
  35. 35.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 52 kg of sugar a day for 4 days, and then 43 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.Meera’s batting average after 5 innings is 38 runs. How many runs must Meera score in the next innings to raise the average to 39?
  38. 38.A shop sells an average of 62 kg of sugar a day for 3 days, and then 27 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  39. 39.Marks of 4 friends in a quiz: 89, 92, 74, 69. What is their average mark?
  40. 40.Aditya’s batting average after 5 innings is 37 runs. How many runs must Aditya score in the next innings to raise the average to 39?

Answer key

  1. 35
  2. 41
  3. 35
  4. 45
  5. 25
  6. 25
  7. 81
  8. 26
  9. 44
  10. 61
  11. 48
  12. 50
  13. 45
  14. 64
  15. 31
  16. 45
  17. 43
  18. 73
  19. 52
  20. 82
  21. 35
  22. 79
  23. 37
  24. 60
  25. 65
  26. 84
  27. 30
  28. 44
  29. 44
  30. 76
  31. 46
  32. 57
  33. 48
  34. 40
  35. 27
  36. 47
  37. 44
  38. 42
  39. 81
  40. 49

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