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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 455 · 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 75 kg of sugar a day for 4 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.A shop sells an average of 25 kg of sugar a day for 3 days, and then 75 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 61, 59, 79, 77. What is their average mark?
  4. 4.Marks of 6 friends in a quiz: 52, 72, 81, 73, 67, 57. What is their average mark?
  5. 5.A shop sells an average of 24 kg of sugar a day for 5 days, and then 64 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.A shop sells an average of 40 kg of sugar a day for 5 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.Marks of 5 friends in a quiz: 63, 73, 53, 59, 42. What is their average mark?
  8. 8.The average of 5 numbers is 35. When one more number is added, the average becomes 41. What number was added?
  9. 9.Saanvi’s batting average after 10 innings is 22 runs. How many runs must Saanvi score in the next innings to raise the average to 23?
  10. 10.A shop sells an average of 73 kg of sugar a day for 2 days, and then 79 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.Saanvi’s batting average after 5 innings is 28 runs. How many runs must Saanvi score in the next innings to raise the average to 30?
  12. 12.Farhan’s batting average after 5 innings is 49 runs. How many runs must Farhan score in the next innings to raise the average to 52?
  13. 13.Marks of 4 friends in a quiz: 32, 14, 27, 35. What is their average mark?
  14. 14.A shop sells an average of 45 kg of sugar a day for 2 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.Marks of 5 friends in a quiz: 62, 57, 56, 46, 79. What is their average mark?
  16. 16.A shop sells an average of 55 kg of sugar a day for 6 days, and then 27 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  17. 17.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.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)?
  19. 19.The average of 6 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  20. 20.Marks of 4 friends in a quiz: 37, 48, 36, 83. What is their average mark?
  21. 21.Marks of 6 friends in a quiz: 26, 18, 20, 23, 34, 23. What is their average mark?
  22. 22.Marks of 4 friends in a quiz: 39, 35, 30, 24. What is their average mark?
  23. 23.The average of 9 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  24. 24.A shop sells an average of 69 kg of sugar a day for 3 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 38, 22, 24, 50, 46. What is their average mark?
  26. 26.The average of 4 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  27. 27.Dev’s batting average after 6 innings is 28 runs. How many runs must Dev score in the next innings to raise the average to 30?
  28. 28.The average of 5 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  29. 29.Rohan’s batting average after 7 innings is 36 runs. How many runs must Rohan score in the next innings to raise the average to 41?
  30. 30.A shop sells an average of 26 kg of sugar a day for 4 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.The average weight of 9 children is 34 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 6 friends in a quiz: 81, 85, 65, 64, 65, 90. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 31, 15, 9, 37. What is their average mark?
  34. 34.Zoya’s batting average after 7 innings is 40 runs. How many runs must Zoya score in the next innings to raise the average to 43?
  35. 35.A shop sells an average of 54 kg of sugar a day for 4 days, and then 28 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.Kavya’s batting average after 5 innings is 26 runs. How many runs must Kavya score in the next innings to raise the average to 27?
  37. 37.A shop sells an average of 78 kg of sugar a day for 6 days, and then 42 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  38. 38.Farhan’s batting average after 5 innings is 42 runs. How many runs must Farhan score in the next innings to raise the average to 47?
  39. 39.The average of 8 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  40. 40.Marks of 6 friends in a quiz: 26, 36, 52, 41, 53, 26. What is their average mark?

Answer key

  1. 73
  2. 50
  3. 69
  4. 67
  5. 44
  6. 36
  7. 58
  8. 71
  9. 33
  10. 77
  11. 40
  12. 67
  13. 27
  14. 63
  15. 60
  16. 41
  17. 28
  18. 37
  19. 73
  20. 51
  21. 24
  22. 32
  23. 88
  24. 51
  25. 36
  26. 40
  27. 42
  28. 37
  29. 76
  30. 41
  31. 32
  32. 75
  33. 23
  34. 64
  35. 41
  36. 32
  37. 60
  38. 72
  39. 38
  40. 39

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