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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 78 · 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 12 children is 42 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 74 kg of sugar a day for 6 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  3. 3.Marks of 6 friends in a quiz: 22, 15, 23, 22, 6, 32. What is their average mark?
  4. 4.The average of 6 numbers is 52. When one more number is added, the average becomes 57. What number was added?
  5. 5.The average weight of 5 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 5 numbers is 38. When one more number is added, the average becomes 42. What number was added?
  7. 7.The average of 8 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  8. 8.A shop sells an average of 67 kg of sugar a day for 6 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  9. 9.Dev’s batting average after 13 innings is 30 runs. How many runs must Dev score in the next innings to raise the average to 33?
  10. 10.A shop sells an average of 80 kg of sugar a day for 6 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  11. 11.Marks of 4 friends in a quiz: 32, 30, 37, 45. What is their average mark?
  12. 12.Priya’s batting average after 7 innings is 21 runs. How many runs must Priya score in the next innings to raise the average to 22?
  13. 13.Marks of 4 friends in a quiz: 42, 44, 50, 24. What is their average mark?
  14. 14.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 6 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  16. 16.The average of 4 numbers is 40. When one more number is added, the average becomes 44. What number was added?
  17. 17.Vivaan’s batting average after 5 innings is 35 runs. How many runs must Vivaan score in the next innings to raise the average to 39?
  18. 18.Marks of 6 friends in a quiz: 26, 33, 32, 21, 15, 47. What is their average mark?
  19. 19.The average of 7 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  20. 20.Marks of 4 friends in a quiz: 77, 74, 78, 23. What is their average mark?
  21. 21.A shop sells an average of 48 kg of sugar a day for 3 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  22. 22.A shop sells an average of 45 kg of sugar a day for 2 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  23. 23.Aarav’s batting average after 7 innings is 27 runs. How many runs must Aarav score in the next innings to raise the average to 30?
  24. 24.A shop sells an average of 54 kg of sugar a day for 5 days, and then 30 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 44, 45, 33, 20, 13. What is their average mark?
  26. 26.The average of 5 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  27. 27.Marks of 4 friends in a quiz: 11, 38, 29, 22. What is their average mark?
  28. 28.Rahul’s batting average after 12 innings is 20 runs. How many runs must Rahul score in the next innings to raise the average to 23?
  29. 29.The average weight of 8 children is 27 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 9 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  31. 31.Marks of 4 friends in a quiz: 23, 32, 32, 5. What is their average mark?
  32. 32.The average weight of 12 children is 28 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 6 friends in a quiz: 76, 67, 73, 64, 62, 48. What is their average mark?
  34. 34.The average weight of 6 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average weight of 10 children is 26 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 5 children is 32 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average weight of 6 children is 44 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 34 kg of sugar a day for 3 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 43, 54, 55, 27, 21. What is their average mark?
  40. 40.Marks of 6 friends in a quiz: 37, 22, 45, 35, 50, 27. What is their average mark?

Answer key

  1. 41
  2. 47
  3. 20
  4. 87
  5. 25
  6. 62
  7. 55
  8. 54
  9. 72
  10. 56
  11. 36
  12. 29
  13. 40
  14. 30
  15. 76
  16. 60
  17. 59
  18. 29
  19. 63
  20. 63
  21. 32
  22. 33
  23. 51
  24. 45
  25. 31
  26. 41
  27. 25
  28. 59
  29. 26
  30. 73
  31. 23
  32. 25
  33. 65
  34. 40
  35. 25
  36. 31
  37. 43
  38. 36
  39. 40
  40. 36

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