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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 728 · 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 6 children is 44 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 5 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  3. 3.Marks of 5 friends in a quiz: 61, 57, 39, 40, 68. What is their average mark?
  4. 4.The average weight of 10 children is 40 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 6 children is 34 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 5 friends in a quiz: 47, 44, 39, 45, 45. What is their average mark?
  7. 7.Marks of 4 friends in a quiz: 77, 78, 78, 67. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 96, 78, 91, 76, 84. What is their average mark?
  9. 9.The average weight of 9 children is 45 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 6 friends in a quiz: 45, 63, 43, 64, 55, 30. What is their average mark?
  11. 11.The average of 8 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  12. 12.Marks of 6 friends in a quiz: 35, 18, 20, 20, 19, 62. What is their average mark?
  13. 13.The average of 4 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  14. 14.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Kavya’s batting average after 7 innings is 29 runs. How many runs must Kavya score in the next innings to raise the average to 31?
  16. 16.Marks of 4 friends in a quiz: 81, 72, 74, 45. What is their average mark?
  17. 17.A shop sells an average of 58 kg of sugar a day for 4 days, and then 64 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.The average of 7 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  19. 19.The average of 9 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  20. 20.Marks of 6 friends in a quiz: 49, 45, 50, 21, 34, 17. What is their average mark?
  21. 21.Arjun’s batting average after 6 innings is 43 runs. How many runs must Arjun score in the next innings to raise the average to 47?
  22. 22.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 6 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  24. 24.The average weight of 7 children is 47 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.A shop sells an average of 25 kg of sugar a day for 2 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  26. 26.The average of 9 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  27. 27.Marks of 6 friends in a quiz: 36, 30, 10, 7, 7, 36. What is their average mark?
  28. 28.Vivaan’s batting average after 6 innings is 36 runs. How many runs must Vivaan score in the next innings to raise the average to 41?
  29. 29.The average of 5 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  30. 30.Arjun’s batting average after 9 innings is 37 runs. How many runs must Arjun score in the next innings to raise the average to 38?
  31. 31.Marks of 6 friends in a quiz: 42, 41, 44, 38, 21, 12. What is their average mark?
  32. 32.Marks of 6 friends in a quiz: 81, 73, 63, 77, 61, 95. What is their average mark?
  33. 33.The average of 4 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  34. 34.Farhan’s batting average after 14 innings is 23 runs. How many runs must Farhan score in the next innings to raise the average to 27?
  35. 35.Isha’s batting average after 11 innings is 36 runs. How many runs must Isha score in the next innings to raise the average to 38?
  36. 36.Marks of 4 friends in a quiz: 57, 53, 78, 64. What is their average mark?
  37. 37.Rohan’s batting average after 7 innings is 34 runs. How many runs must Rohan score in the next innings to raise the average to 38?
  38. 38.Marks of 4 friends in a quiz: 92, 92, 75, 61. What is their average mark?
  39. 39.The average of 4 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  40. 40.The average weight of 12 children is 45 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 41
  2. 22
  3. 53
  4. 38
  5. 33
  6. 44
  7. 75
  8. 85
  9. 44
  10. 50
  11. 31
  12. 29
  13. 86
  14. 36
  15. 45
  16. 68
  17. 60
  18. 64
  19. 64
  20. 36
  21. 71
  22. 30
  23. 67
  24. 45
  25. 45
  26. 50
  27. 21
  28. 71
  29. 63
  30. 47
  31. 33
  32. 75
  33. 64
  34. 83
  35. 60
  36. 63
  37. 66
  38. 80
  39. 65
  40. 44

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