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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 622 · 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: 32, 43, 17, 44, 14. What is their average mark?
  2. 2.The average of 4 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  3. 3.Marks of 6 friends in a quiz: 44, 42, 51, 54, 33, 10. What is their average mark?
  4. 4.Marks of 6 friends in a quiz: 80, 69, 80, 72, 72, 59. What is their average mark?
  5. 5.The average weight of 5 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 5 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 49 kg of sugar a day for 5 days, and then 59 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  8. 8.The average weight of 10 children is 46 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 8 numbers is 39. When one more number is added, the average becomes 41. What number was added?
  10. 10.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 6 friends in a quiz: 21, 38, 40, 21, 22, 26. What is their average mark?
  12. 12.A shop sells an average of 40 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)?
  13. 13.Marks of 4 friends in a quiz: 45, 61, 57, 77. What is their average mark?
  14. 14.Marks of 6 friends in a quiz: 25, 18, 37, 45, 22, 39. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 77, 69, 89, 84, 91. What is their average mark?
  16. 16.A shop sells an average of 23 kg of sugar a day for 5 days, and then 67 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  17. 17.Marks of 4 friends in a quiz: 90, 77, 83, 98. What is their average mark?
  18. 18.The average weight of 7 children is 47 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 4 friends in a quiz: 77, 63, 81, 91. What is their average mark?
  20. 20.The average of 7 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  21. 21.A shop sells an average of 48 kg of sugar a day for 5 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  22. 22.Sneha’s batting average after 12 innings is 36 runs. How many runs must Sneha score in the next innings to raise the average to 38?
  23. 23.Marks of 5 friends in a quiz: 59, 38, 38, 42, 78. What is their average mark?
  24. 24.A shop sells an average of 34 kg of sugar a day for 5 days, and then 20 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.The average of 5 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  26. 26.Rahul’s batting average after 8 innings is 34 runs. How many runs must Rahul score in the next innings to raise the average to 39?
  27. 27.A shop sells an average of 79 kg of sugar a day for 2 days, and then 67 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  28. 28.The average of 4 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  29. 29.Marks of 5 friends in a quiz: 34, 21, 23, 34, 63. What is their average mark?
  30. 30.The average of 8 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  31. 31.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 5 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  33. 33.A shop sells an average of 45 kg of sugar a day for 6 days, and then 70 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  34. 34.The average weight of 6 children is 38 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Arjun’s batting average after 9 innings is 35 runs. How many runs must Arjun score in the next innings to raise the average to 39?
  36. 36.The average of 5 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  37. 37.The average weight of 9 children is 36 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 4 friends in a quiz: 20, 20, 23, 21. What is their average mark?
  39. 39.A shop sells an average of 30 kg of sugar a day for 5 days, and then 36 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  40. 40.A shop sells an average of 24 kg of sugar a day for 2 days, and then 79 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?

Answer key

  1. 30
  2. 64
  3. 39
  4. 72
  5. 35
  6. 31
  7. 54
  8. 45
  9. 57
  10. 26
  11. 28
  12. 32
  13. 60
  14. 31
  15. 82
  16. 45
  17. 87
  18. 44
  19. 78
  20. 88
  21. 44
  22. 62
  23. 51
  24. 27
  25. 73
  26. 79
  27. 71
  28. 52
  29. 35
  30. 47
  31. 31
  32. 26
  33. 55
  34. 35
  35. 75
  36. 66
  37. 33
  38. 21
  39. 33
  40. 57

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