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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 649 · 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.Marks of 6 friends in a quiz: 30, 55, 50, 38, 44, 23. What is their average mark?
  2. 2.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.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)?
  4. 4.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 4 friends in a quiz: 26, 36, 20, 50. What is their average mark?
  6. 6.The average weight of 12 children is 31 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 6 children is 48 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.A shop sells an average of 61 kg of sugar a day for 4 days, and then 54 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  9. 9.Tara’s batting average after 7 innings is 33 runs. How many runs must Tara score in the next innings to raise the average to 36?
  10. 10.A shop sells an average of 79 kg of sugar a day for 3 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  11. 11.A shop sells an average of 33 kg of sugar a day for 3 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.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)?
  13. 13.Marks of 5 friends in a quiz: 62, 41, 44, 43, 65. What is their average mark?
  14. 14.The average of 5 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  15. 15.The average of 8 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  16. 16.The average weight of 12 children is 28 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 42 kg of sugar a day for 2 days, and then 26 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.Marks of 6 friends in a quiz: 77, 79, 62, 57, 79, 60. What is their average mark?
  19. 19.The average weight of 11 children is 27 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 6 friends in a quiz: 16, 16, 24, 19, 33, 18. What is their average mark?
  21. 21.Rahul’s batting average after 6 innings is 33 runs. How many runs must Rahul score in the next innings to raise the average to 38?
  22. 22.Marks of 4 friends in a quiz: 49, 65, 65, 45. What is their average mark?
  23. 23.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 21 kg of sugar a day for 6 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  25. 25.Ishaan’s batting average after 9 innings is 43 runs. How many runs must Ishaan score in the next innings to raise the average to 46?
  26. 26.A shop sells an average of 31 kg of sugar a day for 5 days, and then 57 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.Marks of 6 friends in a quiz: 53, 76, 61, 73, 50, 71. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 70, 76, 91, 87. What is their average mark?
  29. 29.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)?
  30. 30.The average weight of 9 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 96, 93, 88, 75. What is their average mark?
  32. 32.Farhan’s batting average after 12 innings is 22 runs. How many runs must Farhan score in the next innings to raise the average to 27?
  33. 33.A shop sells an average of 54 kg of sugar a day for 2 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  34. 34.Arjun’s batting average after 7 innings is 27 runs. How many runs must Arjun score in the next innings to raise the average to 32?
  35. 35.Marks of 5 friends in a quiz: 40, 23, 14, 31, 17. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 73, 82, 83, 70. What is their average mark?
  37. 37.Marks of 4 friends in a quiz: 32, 52, 37, 39. What is their average mark?
  38. 38.A shop sells an average of 50 kg of sugar a day for 2 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  39. 39.Marks of 6 friends in a quiz: 37, 35, 30, 37, 47, 72. What is their average mark?
  40. 40.Farhan’s batting average after 8 innings is 45 runs. How many runs must Farhan score in the next innings to raise the average to 48?

Answer key

  1. 40
  2. 29
  3. 31
  4. 38
  5. 33
  6. 28
  7. 45
  8. 58
  9. 57
  10. 49
  11. 61
  12. 25
  13. 51
  14. 45
  15. 33
  16. 27
  17. 30
  18. 69
  19. 25
  20. 21
  21. 68
  22. 56
  23. 36
  24. 22
  25. 73
  26. 44
  27. 64
  28. 81
  29. 27
  30. 41
  31. 88
  32. 87
  33. 45
  34. 67
  35. 25
  36. 77
  37. 40
  38. 41
  39. 43
  40. 72

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