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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 294 · 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 8 children is 36 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 7 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 48 kg of sugar a day for 3 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  4. 4.Marks of 6 friends in a quiz: 25, 39, 39, 35, 20, 40. What is their average mark?
  5. 5.The average weight of 11 children is 44 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 6 friends in a quiz: 37, 33, 31, 49, 28, 32. What is their average mark?
  7. 7.Marks of 5 friends in a quiz: 28, 23, 11, 33, 30. What is their average mark?
  8. 8.A shop sells an average of 74 kg of sugar a day for 6 days, and then 41 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  9. 9.A shop sells an average of 22 kg of sugar a day for 6 days, and then 57 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  10. 10.Ananya’s batting average after 13 innings is 27 runs. How many runs must Ananya score in the next innings to raise the average to 29?
  11. 11.Marks of 6 friends in a quiz: 28, 28, 35, 27, 50, 78. What is their average mark?
  12. 12.A shop sells an average of 30 kg of sugar a day for 3 days, and then 48 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: 88, 86, 83, 99. What is their average mark?
  14. 14.The average of 5 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  15. 15.A shop sells an average of 42 kg of sugar a day for 4 days, and then 24 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.The average weight of 9 children is 27 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 4 numbers is 30. When one more number is added, the average becomes 32. What number was added?
  18. 18.A shop sells an average of 75 kg of sugar a day for 4 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  19. 19.The average weight of 7 children is 27 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 52 kg of sugar a day for 6 days, and then 22 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  21. 21.The average of 4 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  22. 22.The average weight of 7 children is 39 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 6 friends in a quiz: 25, 53, 33, 38, 41, 44. What is their average mark?
  24. 24.The average weight of 7 children is 43 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 8 numbers is 44. When one more number is added, the average becomes 49. What number was added?
  26. 26.Ishaan’s batting average after 5 innings is 50 runs. How many runs must Ishaan score in the next innings to raise the average to 53?
  27. 27.Aarav’s batting average after 8 innings is 31 runs. How many runs must Aarav score in the next innings to raise the average to 33?
  28. 28.A shop sells an average of 34 kg of sugar a day for 4 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.A shop sells an average of 67 kg of sugar a day for 5 days, and then 35 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  30. 30.The average of 7 numbers is 56. When one more number is added, the average becomes 60. What number was added?
  31. 31.Kabir’s batting average after 13 innings is 42 runs. How many runs must Kabir score in the next innings to raise the average to 43?
  32. 32.Kavya’s batting average after 10 innings is 38 runs. How many runs must Kavya score in the next innings to raise the average to 39?
  33. 33.The average of 6 numbers is 38. When one more number is added, the average becomes 42. What number was added?
  34. 34.Ananya’s batting average after 8 innings is 20 runs. How many runs must Ananya score in the next innings to raise the average to 21?
  35. 35.The average weight of 5 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 5 friends in a quiz: 26, 28, 41, 29, 6. What is their average mark?
  37. 37.A shop sells an average of 78 kg of sugar a day for 4 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.The average of 9 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  39. 39.Marks of 4 friends in a quiz: 23, 10, 5, 42. What is their average mark?
  40. 40.Marks of 6 friends in a quiz: 37, 39, 45, 41, 53, 61. What is their average mark?

Answer key

  1. 35
  2. 29
  3. 54
  4. 33
  5. 41
  6. 35
  7. 25
  8. 59
  9. 36
  10. 55
  11. 41
  12. 39
  13. 89
  14. 89
  15. 33
  16. 25
  17. 40
  18. 57
  19. 26
  20. 40
  21. 37
  22. 38
  23. 39
  24. 40
  25. 89
  26. 68
  27. 49
  28. 50
  29. 51
  30. 88
  31. 56
  32. 49
  33. 66
  34. 29
  35. 42
  36. 26
  37. 60
  38. 56
  39. 20
  40. 46

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