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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 419 · 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.A shop sells an average of 63 kg of sugar a day for 3 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  3. 3.The average of 6 numbers is 30. When one more number is added, the average becomes 35. What number was added?
  4. 4.Manav’s batting average after 8 innings is 25 runs. How many runs must Manav score in the next innings to raise the average to 30?
  5. 5.The average of 5 numbers is 52. When one more number is added, the average becomes 57. What number was added?
  6. 6.Marks of 6 friends in a quiz: 38, 43, 20, 41, 21, 35. What is their average mark?
  7. 7.The average of 8 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  8. 8.A shop sells an average of 23 kg of sugar a day for 2 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  9. 9.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)?
  10. 10.The average weight of 11 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 6 numbers is 55. When one more number is added, the average becomes 61. What number was added?
  12. 12.The average weight of 12 children is 35 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 4 friends in a quiz: 8, 32, 36, 8. What is their average mark?
  14. 14.Marks of 6 friends in a quiz: 58, 43, 33, 58, 39, 45. What is their average mark?
  15. 15.Sneha’s batting average after 8 innings is 29 runs. How many runs must Sneha score in the next innings to raise the average to 30?
  16. 16.The average of 9 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  17. 17.The average weight of 7 children is 41 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 9 numbers is 34. When one more number is added, the average becomes 40. What number was added?
  19. 19.A shop sells an average of 77 kg of sugar a day for 5 days, and then 71 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.A shop sells an average of 25 kg of sugar a day for 4 days, and then 45 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Marks of 5 friends in a quiz: 30, 24, 39, 39, 63. What is their average mark?
  22. 22.The average of 5 numbers is 43. When one more number is added, the average becomes 48. What number was added?
  23. 23.Priya’s batting average after 5 innings is 25 runs. How many runs must Priya score in the next innings to raise the average to 26?
  24. 24.The average weight of 7 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.A shop sells an average of 30 kg of sugar a day for 2 days, and then 79 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  26. 26.Aarav’s batting average after 8 innings is 36 runs. How many runs must Aarav score in the next innings to raise the average to 37?
  27. 27.The average weight of 8 children is 33 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 6 children is 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 6 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  30. 30.Marks of 5 friends in a quiz: 34, 31, 48, 51, 31. What is their average mark?
  31. 31.The average weight of 8 children is 39 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 5 friends in a quiz: 60, 38, 44, 51, 62. What is their average mark?
  33. 33.The average of 9 numbers is 46. When one more number is added, the average becomes 50. What number was added?
  34. 34.Marks of 4 friends in a quiz: 49, 29, 27, 55. What is their average mark?
  35. 35.The average of 9 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  36. 36.The average weight of 9 children is 39 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 23 kg of sugar a day for 6 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  38. 38.Marks of 5 friends in a quiz: 64, 77, 57, 76, 81. What is their average mark?
  39. 39.A shop sells an average of 36 kg of sugar a day for 3 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.The average of 7 numbers is 18. When one more number is added, the average becomes 21. What number was added?

Answer key

  1. 39
  2. 51
  3. 65
  4. 70
  5. 82
  6. 33
  7. 102
  8. 27
  9. 28
  10. 41
  11. 97
  12. 33
  13. 21
  14. 46
  15. 38
  16. 92
  17. 40
  18. 94
  19. 74
  20. 35
  21. 39
  22. 73
  23. 31
  24. 37
  25. 65
  26. 45
  27. 30
  28. 25
  29. 68
  30. 39
  31. 38
  32. 51
  33. 86
  34. 40
  35. 44
  36. 36
  37. 42
  38. 71
  39. 30
  40. 42

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