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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 694 · 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 of 9 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  2. 2.Marks of 5 friends in a quiz: 72, 85, 100, 82, 91. What is their average mark?
  3. 3.Meera’s batting average after 7 innings is 28 runs. How many runs must Meera score in the next innings to raise the average to 29?
  4. 4.Aditya’s batting average after 6 innings is 45 runs. How many runs must Aditya score in the next innings to raise the average to 47?
  5. 5.Farhan’s batting average after 13 innings is 49 runs. How many runs must Farhan score in the next innings to raise the average to 51?
  6. 6.The average of 6 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  7. 7.A shop sells an average of 71 kg of sugar a day for 2 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  8. 8.Marks of 5 friends in a quiz: 36, 48, 44, 34, 33. What is their average mark?
  9. 9.Marks of 4 friends in a quiz: 30, 39, 31, 56. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 75, 96, 93, 100, 77, 69. What is their average mark?
  11. 11.A shop sells an average of 62 kg of sugar a day for 3 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  12. 12.Marks of 6 friends in a quiz: 62, 34, 47, 52, 40, 47. What is their average mark?
  13. 13.The average weight of 7 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 5 friends in a quiz: 25, 45, 31, 33, 66. What is their average mark?
  15. 15.A shop sells an average of 25 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)?
  16. 16.The average of 9 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  17. 17.The average of 6 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  18. 18.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Aarav’s batting average after 6 innings is 34 runs. How many runs must Aarav score in the next innings to raise the average to 35?
  20. 20.The average weight of 6 children is 41 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Kabir’s batting average after 13 innings is 43 runs. How many runs must Kabir score in the next innings to raise the average to 46?
  22. 22.Marks of 5 friends in a quiz: 19, 11, 10, 28, 42. What is their average mark?
  23. 23.The average weight of 10 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 27 kg of sugar a day for 2 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 29, 21, 9, 13, 43. What is their average mark?
  26. 26.The average of 9 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  27. 27.A shop sells an average of 42 kg of sugar a day for 2 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.Farhan’s batting average after 11 innings is 44 runs. How many runs must Farhan score in the next innings to raise the average to 48?
  29. 29.Rohan’s batting average after 15 innings is 50 runs. How many runs must Rohan score in the next innings to raise the average to 55?
  30. 30.The average weight of 11 children is 44 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.A shop sells an average of 21 kg of sugar a day for 6 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.Dev’s batting average after 7 innings is 38 runs. How many runs must Dev score in the next innings to raise the average to 42?
  33. 33.Nisha’s batting average after 8 innings is 31 runs. How many runs must Nisha score in the next innings to raise the average to 32?
  34. 34.Marks of 4 friends in a quiz: 67, 81, 74, 90. What is their average mark?
  35. 35.The average weight of 7 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 50 kg of sugar a day for 4 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.Marks of 4 friends in a quiz: 53, 52, 68, 51. What is their average mark?
  38. 38.Marks of 5 friends in a quiz: 46, 35, 49, 53, 67. What is their average mark?
  39. 39.The average of 4 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  40. 40.A shop sells an average of 77 kg of sugar a day for 4 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?

Answer key

  1. 104
  2. 86
  3. 36
  4. 59
  5. 77
  6. 85
  7. 62
  8. 39
  9. 39
  10. 85
  11. 68
  12. 47
  13. 31
  14. 40
  15. 23
  16. 68
  17. 89
  18. 30
  19. 41
  20. 40
  21. 85
  22. 22
  23. 26
  24. 43
  25. 23
  26. 38
  27. 36
  28. 92
  29. 130
  30. 42
  31. 26
  32. 70
  33. 40
  34. 78
  35. 39
  36. 53
  37. 56
  38. 50
  39. 80
  40. 62

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