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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 13 · 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 20 kg of sugar a day for 3 days, and then 54 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.The average weight of 10 children is 31 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 5 friends in a quiz: 12, 28, 20, 31, 14. What is their average mark?
  4. 4.Marks of 6 friends in a quiz: 72, 73, 83, 69, 79, 80. What is their average mark?
  5. 5.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 6 friends in a quiz: 22, 8, 27, 13, 19, 31. What is their average mark?
  7. 7.Marks of 4 friends in a quiz: 17, 18, 15, 58. What is their average mark?
  8. 8.Diya’s batting average after 6 innings is 27 runs. How many runs must Diya score in the next innings to raise the average to 31?
  9. 9.Manav’s batting average after 15 innings is 22 runs. How many runs must Manav score in the next innings to raise the average to 25?
  10. 10.A shop sells an average of 33 kg of sugar a day for 6 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  11. 11.The average of 7 numbers is 42. When one more number is added, the average becomes 46. What number was added?
  12. 12.A shop sells an average of 43 kg of sugar a day for 2 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.A shop sells an average of 33 kg of sugar a day for 2 days, and then 77 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.A shop sells an average of 37 kg of sugar a day for 6 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.A shop sells an average of 34 kg of sugar a day for 6 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.Marks of 6 friends in a quiz: 17, 23, 9, 10, 13, 72. What is their average mark?
  17. 17.The average of 6 numbers is 45. When one more number is added, the average becomes 51. What number was added?
  18. 18.The average of 6 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  19. 19.Dev’s batting average after 13 innings is 42 runs. How many runs must Dev score in the next innings to raise the average to 45?
  20. 20.The average of 5 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  21. 21.Marks of 6 friends in a quiz: 42, 67, 58, 45, 66, 64. What is their average mark?
  22. 22.The average of 7 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  23. 23.A shop sells an average of 49 kg of sugar a day for 5 days, and then 21 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  24. 24.The average of 4 numbers is 42. When one more number is added, the average becomes 48. What number was added?
  25. 25.A shop sells an average of 54 kg of sugar a day for 4 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.Marks of 6 friends in a quiz: 53, 55, 46, 54, 32, 18. What is their average mark?
  27. 27.Manav’s batting average after 15 innings is 31 runs. How many runs must Manav score in the next innings to raise the average to 35?
  28. 28.A shop sells an average of 22 kg of sugar a day for 2 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  29. 29.The average weight of 9 children is 31 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 6 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  31. 31.The average weight of 6 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 52 kg of sugar a day for 3 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  34. 34.Marks of 5 friends in a quiz: 67, 84, 85, 67, 87. What is their average mark?
  35. 35.A shop sells an average of 50 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)?
  36. 36.A shop sells an average of 27 kg of sugar a day for 3 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.Saanvi’s batting average after 12 innings is 28 runs. How many runs must Saanvi score in the next innings to raise the average to 29?
  38. 38.The average weight of 8 children is 29 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 5 numbers is 60. When one more number is added, the average becomes 66. What number was added?
  40. 40.Marks of 5 friends in a quiz: 55, 57, 44, 46, 58. What is their average mark?

Answer key

  1. 37
  2. 29
  3. 21
  4. 76
  5. 28
  6. 20
  7. 27
  8. 55
  9. 70
  10. 39
  11. 74
  12. 65
  13. 66
  14. 39
  15. 43
  16. 24
  17. 87
  18. 81
  19. 84
  20. 78
  21. 57
  22. 28
  23. 35
  24. 72
  25. 60
  26. 43
  27. 95
  28. 30
  29. 29
  30. 33
  31. 27
  32. 26
  33. 60
  34. 78
  35. 56
  36. 35
  37. 41
  38. 28
  39. 96
  40. 52

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