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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 633 · 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: 53, 49, 27, 35, 28, 60. What is their average mark?
  2. 2.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)?
  3. 3.The average weight of 5 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 8 children is 47 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 4 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  6. 6.Farhan’s batting average after 5 innings is 29 runs. How many runs must Farhan score in the next innings to raise the average to 32?
  7. 7.Sneha’s batting average after 14 innings is 30 runs. How many runs must Sneha score in the next innings to raise the average to 32?
  8. 8.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 61 kg of sugar a day for 3 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.Marks of 5 friends in a quiz: 62, 79, 80, 53, 56. What is their average mark?
  11. 11.Zoya’s batting average after 15 innings is 49 runs. How many runs must Zoya score in the next innings to raise the average to 53?
  12. 12.A shop sells an average of 36 kg of sugar a day for 3 days, and then 42 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Marks of 4 friends in a quiz: 63, 35, 53, 49. What is their average mark?
  14. 14.The average weight of 7 children is 33 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 30 kg of sugar a day for 3 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.A shop sells an average of 53 kg of sugar a day for 6 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  17. 17.Marks of 5 friends in a quiz: 86, 71, 68, 76, 84. What is their average mark?
  18. 18.Diya’s batting average after 9 innings is 28 runs. How many runs must Diya score in the next innings to raise the average to 29?
  19. 19.A shop sells an average of 66 kg of sugar a day for 4 days, and then 64 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 72, 73, 59, 76. What is their average mark?
  21. 21.The average weight of 8 children is 34 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 5 friends in a quiz: 57, 39, 39, 40, 85. What is their average mark?
  23. 23.The average of 8 numbers is 41. When one more number is added, the average becomes 46. What number was added?
  24. 24.A shop sells an average of 23 kg of sugar a day for 3 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  25. 25.A shop sells an average of 57 kg of sugar a day for 4 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.The average of 9 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  27. 27.The average of 8 numbers is 30. When one more number is added, the average becomes 34. What number was added?
  28. 28.The average weight of 11 children is 30 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 31 kg of sugar a day for 3 days, and then 79 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  30. 30.The average of 9 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  31. 31.The average of 9 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  32. 32.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 6 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  34. 34.Marks of 6 friends in a quiz: 72, 75, 60, 76, 74, 63. What is their average mark?
  35. 35.The average weight of 7 children is 30 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 6 friends in a quiz: 40, 26, 47, 29, 32, 42. What is their average mark?
  37. 37.Marks of 6 friends in a quiz: 81, 60, 81, 78, 68, 46. What is their average mark?
  38. 38.Marks of 4 friends in a quiz: 42, 23, 48, 35. What is their average mark?
  39. 39.Marks of 6 friends in a quiz: 58, 61, 58, 76, 56, 93. What is their average mark?
  40. 40.Ishaan’s batting average after 10 innings is 22 runs. How many runs must Ishaan score in the next innings to raise the average to 25?

Answer key

  1. 42
  2. 44
  3. 43
  4. 45
  5. 47
  6. 47
  7. 60
  8. 36
  9. 42
  10. 66
  11. 113
  12. 39
  13. 50
  14. 32
  15. 33
  16. 47
  17. 77
  18. 38
  19. 65
  20. 70
  21. 33
  22. 52
  23. 86
  24. 47
  25. 55
  26. 65
  27. 66
  28. 27
  29. 63
  30. 32
  31. 62
  32. 44
  33. 65
  34. 70
  35. 29
  36. 36
  37. 69
  38. 37
  39. 67
  40. 55

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