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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 258 · 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 27 kg of sugar a day for 3 days, and then 33 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.The average weight of 6 children is 37 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.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)?
  4. 4.The average of 4 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  5. 5.The average of 9 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  6. 6.The average of 5 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  7. 7.Marks of 6 friends in a quiz: 30, 15, 13, 11, 31, 20. What is their average mark?
  8. 8.Marks of 4 friends in a quiz: 99, 94, 74, 85. What is their average mark?
  9. 9.A shop sells an average of 32 kg of sugar a day for 5 days, and then 56 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.Isha’s batting average after 7 innings is 35 runs. How many runs must Isha score in the next innings to raise the average to 40?
  11. 11.Farhan’s batting average after 5 innings is 28 runs. How many runs must Farhan score in the next innings to raise the average to 31?
  12. 12.The average weight of 8 children is 40 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Vivaan’s batting average after 7 innings is 40 runs. How many runs must Vivaan score in the next innings to raise the average to 41?
  14. 14.Marks of 6 friends in a quiz: 71, 60, 67, 56, 69, 31. What is their average mark?
  15. 15.The average of 8 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  16. 16.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Karan’s batting average after 8 innings is 50 runs. How many runs must Karan score in the next innings to raise the average to 52?
  18. 18.A shop sells an average of 52 kg of sugar a day for 5 days, and then 63 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  19. 19.Manav’s batting average after 12 innings is 39 runs. How many runs must Manav score in the next innings to raise the average to 44?
  20. 20.Marks of 5 friends in a quiz: 44, 44, 28, 26, 43. What is their average mark?
  21. 21.The average weight of 10 children is 30 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 8 numbers is 60. When one more number is added, the average becomes 66. What number was added?
  23. 23.The average weight of 7 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 9 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 4 friends in a quiz: 75, 97, 72, 84. What is their average mark?
  26. 26.The average of 5 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  27. 27.The average weight of 10 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 75 kg of sugar a day for 3 days, and then 80 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  29. 29.Sneha’s batting average after 13 innings is 50 runs. How many runs must Sneha score in the next innings to raise the average to 52?
  30. 30.A shop sells an average of 52 kg of sugar a day for 6 days, and then 63 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  31. 31.A shop sells an average of 77 kg of sugar a day for 4 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  32. 32.A shop sells an average of 20 kg of sugar a day for 2 days, and then 62 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  33. 33.Marks of 5 friends in a quiz: 47, 37, 52, 36, 68. What is their average mark?
  34. 34.The average of 9 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  35. 35.Dev’s batting average after 13 innings is 34 runs. How many runs must Dev score in the next innings to raise the average to 38?
  36. 36.Marks of 6 friends in a quiz: 82, 77, 56, 68, 76, 49. What is their average mark?
  37. 37.Marks of 4 friends in a quiz: 20, 38, 19, 43. What is their average mark?
  38. 38.A shop sells an average of 27 kg of sugar a day for 2 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 70, 64, 85, 79, 92. What is their average mark?
  40. 40.The average weight of 11 children is 31 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 30
  2. 36
  3. 35
  4. 73
  5. 92
  6. 43
  7. 20
  8. 88
  9. 41
  10. 75
  11. 46
  12. 37
  13. 48
  14. 59
  15. 77
  16. 33
  17. 68
  18. 58
  19. 104
  20. 37
  21. 27
  22. 114
  23. 27
  24. 27
  25. 82
  26. 67
  27. 37
  28. 77
  29. 78
  30. 57
  31. 67
  32. 50
  33. 48
  34. 107
  35. 90
  36. 68
  37. 30
  38. 33
  39. 78
  40. 29

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