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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 609 · 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 11 children is 28 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 11 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 44 kg of sugar a day for 4 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.A shop sells an average of 64 kg of sugar a day for 2 days, and then 46 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.The average weight of 8 children is 41 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Nisha’s batting average after 6 innings is 42 runs. How many runs must Nisha score in the next innings to raise the average to 45?
  8. 8.The average weight of 7 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 47 kg of sugar a day for 4 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.Marks of 4 friends in a quiz: 59, 70, 60, 51. What is their average mark?
  11. 11.Priya’s batting average after 5 innings is 23 runs. How many runs must Priya score in the next innings to raise the average to 28?
  12. 12.The average of 4 numbers is 46. When one more number is added, the average becomes 51. What number was added?
  13. 13.A shop sells an average of 21 kg of sugar a day for 4 days, and then 49 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.The average weight of 12 children is 30 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 5 friends in a quiz: 50, 50, 53, 47, 85. What is their average mark?
  16. 16.Marks of 6 friends in a quiz: 63, 76, 85, 72, 63, 61. What is their average mark?
  17. 17.The average of 5 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  18. 18.Kavya’s batting average after 8 innings is 30 runs. How many runs must Kavya score in the next innings to raise the average to 35?
  19. 19.A shop sells an average of 72 kg of sugar a day for 2 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  20. 20.The average weight of 7 children is 40 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 5 friends in a quiz: 57, 43, 47, 54, 24. What is their average mark?
  22. 22.The average of 6 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  23. 23.Marks of 5 friends in a quiz: 42, 49, 41, 49, 54. What is their average mark?
  24. 24.The average of 9 numbers is 31. When one more number is added, the average becomes 32. What number was added?
  25. 25.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 4 friends in a quiz: 102, 77, 101, 80. What is their average mark?
  27. 27.Arjun’s batting average after 10 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 26?
  28. 28.The average of 7 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  29. 29.The average of 5 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  30. 30.The average of 9 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  31. 31.Marks of 6 friends in a quiz: 10, 21, 35, 35, 17, 14. What is their average mark?
  32. 32.Sneha’s batting average after 9 innings is 49 runs. How many runs must Sneha score in the next innings to raise the average to 51?
  33. 33.Meera’s batting average after 6 innings is 37 runs. How many runs must Meera score in the next innings to raise the average to 38?
  34. 34.The average weight of 6 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 6 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  36. 36.The average weight of 10 children is 34 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 62 kg of sugar a day for 3 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  38. 38.Marks of 5 friends in a quiz: 78, 83, 104, 94, 86. What is their average mark?
  39. 39.The average of 6 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  40. 40.A shop sells an average of 24 kg of sugar a day for 2 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

Answer key

  1. 26
  2. 29
  3. 50
  4. 52
  5. 39
  6. 26
  7. 63
  8. 39
  9. 60
  10. 60
  11. 53
  12. 71
  13. 35
  14. 28
  15. 57
  16. 70
  17. 57
  18. 75
  19. 52
  20. 37
  21. 45
  22. 46
  23. 47
  24. 41
  25. 40
  26. 90
  27. 46
  28. 34
  29. 43
  30. 63
  31. 22
  32. 69
  33. 44
  34. 44
  35. 88
  36. 31
  37. 46
  38. 89
  39. 40
  40. 41

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