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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 66 · 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 38 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 4 friends in a quiz: 51, 68, 48, 81. What is their average mark?
  3. 3.The average weight of 5 children is 48 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 5 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 74 kg of sugar a day for 6 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.A shop sells an average of 35 kg of sugar a day for 4 days, and then 59 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.The average weight of 5 children is 34 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 6 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Pooja’s batting average after 5 innings is 40 runs. How many runs must Pooja score in the next innings to raise the average to 41?
  10. 10.Marks of 6 friends in a quiz: 76, 86, 66, 63, 71, 88. What is their average mark?
  11. 11.Marks of 6 friends in a quiz: 30, 23, 29, 7, 27, 10. What is their average mark?
  12. 12.Marks of 6 friends in a quiz: 53, 65, 60, 68, 69, 87. What is their average mark?
  13. 13.A shop sells an average of 33 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)?
  14. 14.Marks of 5 friends in a quiz: 30, 36, 26, 46, 37. What is their average mark?
  15. 15.The average of 9 numbers is 51. When one more number is added, the average becomes 53. What number was added?
  16. 16.Marks of 6 friends in a quiz: 17, 40, 16, 29, 30, 42. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 78, 77, 55, 42. What is their average mark?
  18. 18.Manav’s batting average after 15 innings is 40 runs. How many runs must Manav score in the next innings to raise the average to 42?
  19. 19.Marks of 6 friends in a quiz: 82, 74, 81, 90, 90, 99. What is their average mark?
  20. 20.A shop sells an average of 37 kg of sugar a day for 4 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  21. 21.The average of 4 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  22. 22.The average weight of 9 children is 47 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.A shop sells an average of 63 kg of sugar a day for 2 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.Marks of 6 friends in a quiz: 36, 42, 37, 60, 31, 70. What is their average mark?
  25. 25.The average weight of 11 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average weight of 10 children is 44 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Kabir’s batting average after 6 innings is 35 runs. How many runs must Kabir score in the next innings to raise the average to 39?
  28. 28.A shop sells an average of 53 kg of sugar a day for 2 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  29. 29.A shop sells an average of 31 kg of sugar a day for 4 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.Marks of 4 friends in a quiz: 15, 10, 33, 38. What is their average mark?
  31. 31.Kavya’s batting average after 9 innings is 33 runs. How many runs must Kavya score in the next innings to raise the average to 35?
  32. 32.The average of 6 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  33. 33.Marks of 4 friends in a quiz: 75, 78, 59, 76. What is their average mark?
  34. 34.Kabir’s batting average after 15 innings is 29 runs. How many runs must Kabir score in the next innings to raise the average to 30?
  35. 35.Marks of 5 friends in a quiz: 18, 24, 25, 27, 21. What is their average mark?
  36. 36.Rohan’s batting average after 15 innings is 49 runs. How many runs must Rohan score in the next innings to raise the average to 53?
  37. 37.Ishaan’s batting average after 10 innings is 34 runs. How many runs must Ishaan score in the next innings to raise the average to 39?
  38. 38.Rahul’s batting average after 12 innings is 27 runs. How many runs must Rahul score in the next innings to raise the average to 28?
  39. 39.Saanvi’s batting average after 13 innings is 43 runs. How many runs must Saanvi score in the next innings to raise the average to 45?
  40. 40.Marks of 6 friends in a quiz: 44, 40, 33, 39, 33, 39. What is their average mark?

Answer key

  1. 37
  2. 62
  3. 45
  4. 30
  5. 62
  6. 47
  7. 33
  8. 26
  9. 46
  10. 75
  11. 21
  12. 67
  13. 49
  14. 35
  15. 71
  16. 29
  17. 63
  18. 72
  19. 86
  20. 55
  21. 31
  22. 44
  23. 57
  24. 46
  25. 29
  26. 41
  27. 63
  28. 37
  29. 26
  30. 24
  31. 53
  32. 77
  33. 72
  34. 45
  35. 23
  36. 113
  37. 89
  38. 40
  39. 71
  40. 38

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