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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 729 · 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.A shop sells an average of 65 kg of sugar a day for 3 days, and then 47 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  2. 2.The average of 4 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  3. 3.Ananya’s batting average after 5 innings is 40 runs. How many runs must Ananya score in the next innings to raise the average to 41?
  4. 4.Aarav’s batting average after 5 innings is 39 runs. How many runs must Aarav score in the next innings to raise the average to 43?
  5. 5.A shop sells an average of 20 kg of sugar a day for 4 days, and then 78 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.The average of 8 numbers is 56. When one more number is added, the average becomes 60. What number was added?
  7. 7.A shop sells an average of 27 kg of sugar a day for 6 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  8. 8.A shop sells an average of 68 kg of sugar a day for 2 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.The average of 4 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  10. 10.A shop sells an average of 34 kg of sugar a day for 3 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.The average of 6 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  12. 12.Marks of 6 friends in a quiz: 62, 46, 50, 48, 49, 63. What is their average mark?
  13. 13.The average weight of 12 children is 44 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 6 friends in a quiz: 32, 24, 23, 26, 48, 75. What is their average mark?
  15. 15.The average weight of 10 children is 26 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 6 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  17. 17.Tara’s batting average after 12 innings is 35 runs. How many runs must Tara score in the next innings to raise the average to 37?
  18. 18.Marks of 4 friends in a quiz: 68, 69, 56, 59. What is their average mark?
  19. 19.The average weight of 8 children is 29 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 4 friends in a quiz: 36, 33, 43, 64. What is their average mark?
  21. 21.The average of 4 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  22. 22.Ananya’s batting average after 7 innings is 26 runs. How many runs must Ananya score in the next innings to raise the average to 29?
  23. 23.A shop sells an average of 68 kg of sugar a day for 2 days, and then 64 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  24. 24.A shop sells an average of 70 kg of sugar a day for 2 days, and then 26 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.A shop sells an average of 43 kg of sugar a day for 4 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  26. 26.A shop sells an average of 45 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)?
  27. 27.A shop sells an average of 53 kg of sugar a day for 6 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  28. 28.The average of 5 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  29. 29.The average weight of 9 children is 29 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 4 friends in a quiz: 10, 21, 29, 32. What is their average mark?
  31. 31.A shop sells an average of 69 kg of sugar a day for 6 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.A shop sells an average of 61 kg of sugar a day for 5 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  33. 33.The average weight of 8 children is 38 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Kavya’s batting average after 15 innings is 28 runs. How many runs must Kavya score in the next innings to raise the average to 31?
  35. 35.Marks of 4 friends in a quiz: 70, 82, 80, 76. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 46, 59, 51, 28. What is their average mark?
  37. 37.The average of 5 numbers is 54. When one more number is added, the average becomes 60. What number was added?
  38. 38.Diya’s batting average after 8 innings is 23 runs. How many runs must Diya score in the next innings to raise the average to 26?
  39. 39.The average of 8 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  40. 40.The average weight of 11 children is 33 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 53
  2. 36
  3. 46
  4. 63
  5. 49
  6. 92
  7. 25
  8. 42
  9. 61
  10. 33
  11. 23
  12. 53
  13. 43
  14. 38
  15. 25
  16. 66
  17. 61
  18. 63
  19. 26
  20. 44
  21. 39
  22. 50
  23. 66
  24. 37
  25. 45
  26. 67
  27. 41
  28. 41
  29. 26
  30. 23
  31. 64
  32. 57
  33. 36
  34. 76
  35. 77
  36. 46
  37. 90
  38. 50
  39. 96
  40. 30

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