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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 342 · 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 5 friends in a quiz: 13, 42, 12, 37, 31. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 32, 23, 32, 37. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 51, 49, 73, 67. What is their average mark?
  4. 4.The average of 9 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  5. 5.The average weight of 6 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 7 numbers is 56. When one more number is added, the average becomes 57. What number was added?
  7. 7.The average of 5 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  8. 8.The average weight of 7 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 6 friends in a quiz: 78, 85, 85, 89, 73, 94. What is their average mark?
  10. 10.Marks of 4 friends in a quiz: 83, 93, 82, 58. What is their average mark?
  11. 11.Pooja’s batting average after 8 innings is 48 runs. How many runs must Pooja score in the next innings to raise the average to 53?
  12. 12.The average weight of 12 children is 36 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Arjun’s batting average after 11 innings is 33 runs. How many runs must Arjun score in the next innings to raise the average to 34?
  14. 14.A shop sells an average of 39 kg of sugar a day for 3 days, and then 78 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.The average of 6 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  16. 16.Marks of 5 friends in a quiz: 89, 68, 69, 89, 65. What is their average mark?
  17. 17.The average weight of 12 children is 44 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Saanvi’s batting average after 5 innings is 30 runs. How many runs must Saanvi score in the next innings to raise the average to 31?
  19. 19.Marks of 5 friends in a quiz: 93, 66, 66, 94, 86. What is their average mark?
  20. 20.The average weight of 6 children is 35 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 49 kg of sugar a day for 3 days, and then 31 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 72 kg of sugar a day for 6 days, and then 80 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  23. 23.The average weight of 12 children is 41 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 41 kg of sugar a day for 2 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  25. 25.Marks of 6 friends in a quiz: 13, 19, 33, 17, 24, 44. What is their average mark?
  26. 26.Farhan’s batting average after 15 innings is 34 runs. How many runs must Farhan score in the next innings to raise the average to 37?
  27. 27.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Sneha’s batting average after 5 innings is 31 runs. How many runs must Sneha score in the next innings to raise the average to 32?
  29. 29.Marks of 4 friends in a quiz: 57, 57, 86, 88. What is their average mark?
  30. 30.The average weight of 8 children is 39 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 67, 63, 61, 21. What is their average mark?
  32. 32.Marks of 4 friends in a quiz: 66, 88, 77, 81. What is their average mark?
  33. 33.The average weight of 10 children is 34 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 49 kg of sugar a day for 4 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average of 4 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  36. 36.The average weight of 9 children is 31 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 4 friends in a quiz: 49, 67, 60, 60. What is their average mark?
  38. 38.Rohan’s batting average after 6 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 47?
  39. 39.The average of 8 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  40. 40.The average of 7 numbers is 39. When one more number is added, the average becomes 40. What number was added?

Answer key

  1. 27
  2. 31
  3. 60
  4. 96
  5. 28
  6. 64
  7. 38
  8. 42
  9. 84
  10. 79
  11. 93
  12. 35
  13. 45
  14. 65
  15. 57
  16. 76
  17. 42
  18. 36
  19. 81
  20. 34
  21. 37
  22. 74
  23. 38
  24. 32
  25. 25
  26. 82
  27. 44
  28. 37
  29. 72
  30. 38
  31. 53
  32. 78
  33. 31
  34. 40
  35. 27
  36. 28
  37. 59
  38. 71
  39. 62
  40. 47

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