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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 513 · 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: 45, 43, 36, 52, 64. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 65, 65, 67, 72, 72, 97. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 40, 45, 52, 27. What is their average mark?
  4. 4.Marks of 6 friends in a quiz: 65, 58, 54, 70, 72, 83. What is their average mark?
  5. 5.A shop sells an average of 38 kg of sugar a day for 5 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  6. 6.The average of 8 numbers is 33. When one more number is added, the average becomes 38. What number was added?
  7. 7.Marks of 5 friends in a quiz: 35, 51, 47, 36, 11. What is their average mark?
  8. 8.The average weight of 5 children is 32 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 76 kg of sugar a day for 6 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  10. 10.A shop sells an average of 35 kg of sugar a day for 6 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.The average weight of 12 children is 29 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 4 friends in a quiz: 14, 22, 35, 25. What is their average mark?
  13. 13.The average of 6 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  14. 14.A shop sells an average of 55 kg of sugar a day for 2 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  15. 15.Rohan’s batting average after 8 innings is 35 runs. How many runs must Rohan score in the next innings to raise the average to 38?
  16. 16.A shop sells an average of 69 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)?
  17. 17.A shop sells an average of 22 kg of sugar a day for 2 days, and then 28 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.Rohan’s batting average after 11 innings is 37 runs. How many runs must Rohan score in the next innings to raise the average to 39?
  19. 19.Marks of 4 friends in a quiz: 62, 78, 77, 63. What is their average mark?
  20. 20.Kabir’s batting average after 7 innings is 30 runs. How many runs must Kabir score in the next innings to raise the average to 35?
  21. 21.A shop sells an average of 69 kg of sugar a day for 4 days, and then 44 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.The average of 9 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  23. 23.The average weight of 8 children is 48 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Priya’s batting average after 15 innings is 37 runs. How many runs must Priya score in the next innings to raise the average to 39?
  25. 25.Marks of 6 friends in a quiz: 32, 27, 29, 52, 25, 57. What is their average mark?
  26. 26.The average weight of 12 children is 33 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 4 friends in a quiz: 56, 44, 40, 72. What is their average mark?
  28. 28.The average of 9 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  29. 29.Marks of 6 friends in a quiz: 48, 28, 53, 31, 41, 51. What is their average mark?
  30. 30.The average weight of 11 children is 47 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 7 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  32. 32.The average of 4 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  33. 33.The average weight of 7 children is 32 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Aditya’s batting average after 5 innings is 37 runs. How many runs must Aditya score in the next innings to raise the average to 38?
  35. 35.The average weight of 12 children is 46 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Ananya’s batting average after 15 innings is 46 runs. How many runs must Ananya score in the next innings to raise the average to 51?
  37. 37.The average weight of 11 children is 35 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 5 numbers is 47. When one more number is added, the average becomes 52. What number was added?
  39. 39.The average of 4 numbers is 34. When one more number is added, the average becomes 39. What number was added?
  40. 40.The average weight of 12 children is 43 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 48
  2. 73
  3. 41
  4. 67
  5. 56
  6. 78
  7. 36
  8. 31
  9. 54
  10. 39
  11. 28
  12. 24
  13. 43
  14. 45
  15. 62
  16. 46
  17. 26
  18. 61
  19. 70
  20. 70
  21. 54
  22. 52
  23. 45
  24. 69
  25. 37
  26. 32
  27. 53
  28. 31
  29. 42
  30. 45
  31. 106
  32. 36
  33. 31
  34. 43
  35. 45
  36. 126
  37. 34
  38. 77
  39. 59
  40. 40

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