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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 587 · 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.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)?
  2. 2.Tara’s batting average after 9 innings is 37 runs. How many runs must Tara score in the next innings to raise the average to 40?
  3. 3.A shop sells an average of 42 kg of sugar a day for 2 days, and then 63 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.Marks of 6 friends in a quiz: 59, 64, 64, 73, 67, 27. What is their average mark?
  5. 5.Marks of 4 friends in a quiz: 17, 17, 17, 77. What is their average mark?
  6. 6.The average of 8 numbers is 41. When one more number is added, the average becomes 44. What number was added?
  7. 7.The average weight of 11 children is 39 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 5 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 5 children is 42 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 7 numbers is 41. When one more number is added, the average becomes 42. What number was added?
  11. 11.Marks of 6 friends in a quiz: 37, 66, 67, 58, 50, 34. What is their average mark?
  12. 12.The average weight of 10 children is 35 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 4 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  14. 14.Marks of 5 friends in a quiz: 15, 41, 20, 37, 27. What is their average mark?
  15. 15.A shop sells an average of 71 kg of sugar a day for 4 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.The average weight of 9 children is 44 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Aditya’s batting average after 10 innings is 39 runs. How many runs must Aditya score in the next innings to raise the average to 42?
  18. 18.The average of 6 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  19. 19.Marks of 4 friends in a quiz: 29, 36, 15, 16. What is their average mark?
  20. 20.The average of 8 numbers is 30. When one more number is added, the average becomes 35. What number was added?
  21. 21.Marks of 6 friends in a quiz: 30, 17, 30, 35, 27, 11. What is their average mark?
  22. 22.A shop sells an average of 43 kg of sugar a day for 2 days, and then 55 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.The average of 5 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  24. 24.A shop sells an average of 54 kg of sugar a day for 4 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Isha’s batting average after 5 innings is 31 runs. How many runs must Isha score in the next innings to raise the average to 33?
  26. 26.The average of 9 numbers is 44. When one more number is added, the average becomes 48. What number was added?
  27. 27.The average weight of 5 children is 44 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Manav’s batting average after 15 innings is 20 runs. How many runs must Manav score in the next innings to raise the average to 21?
  29. 29.The average weight of 5 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 8 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  31. 31.A shop sells an average of 30 kg of sugar a day for 3 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  32. 32.The average weight of 5 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 4 friends in a quiz: 79, 81, 58, 46. What is their average mark?
  34. 34.A shop sells an average of 43 kg of sugar a day for 2 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  35. 35.The average of 5 numbers is 44. When one more number is added, the average becomes 49. What number was added?
  36. 36.The average of 8 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  37. 37.A shop sells an average of 42 kg of sugar a day for 2 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  38. 38.Marks of 6 friends in a quiz: 88, 72, 82, 75, 72, 73. What is their average mark?
  39. 39.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 6 friends in a quiz: 59, 51, 69, 76, 73, 44. What is their average mark?

Answer key

  1. 45
  2. 67
  3. 56
  4. 59
  5. 32
  6. 68
  7. 36
  8. 26
  9. 41
  10. 49
  11. 52
  12. 32
  13. 38
  14. 28
  15. 69
  16. 42
  17. 72
  18. 67
  19. 24
  20. 75
  21. 25
  22. 51
  23. 33
  24. 51
  25. 43
  26. 84
  27. 43
  28. 36
  29. 36
  30. 41
  31. 26
  32. 25
  33. 66
  34. 42
  35. 74
  36. 110
  37. 35
  38. 77
  39. 38
  40. 62

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