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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 256 · 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 9 children is 42 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.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)?
  3. 3.A shop sells an average of 30 kg of sugar a day for 3 days, and then 46 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.The average of 8 numbers is 30. When one more number is added, the average becomes 34. What number was added?
  5. 5.The average of 8 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  6. 6.Marks of 6 friends in a quiz: 92, 89, 68, 66, 63, 90. What is their average mark?
  7. 7.A shop sells an average of 34 kg of sugar a day for 6 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.A shop sells an average of 50 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)?
  9. 9.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 5 children is 30 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 6 friends in a quiz: 78, 84, 94, 71, 70, 77. What is their average mark?
  12. 12.A shop sells an average of 41 kg of sugar a day for 4 days, and then 59 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  13. 13.Pooja’s batting average after 14 innings is 29 runs. How many runs must Pooja score in the next innings to raise the average to 30?
  14. 14.The average of 5 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  15. 15.Saanvi’s batting average after 7 innings is 28 runs. How many runs must Saanvi score in the next innings to raise the average to 33?
  16. 16.Kabir’s batting average after 12 innings is 28 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  17. 17.The average weight of 9 children is 43 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 55 kg of sugar a day for 6 days, and then 65 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  19. 19.A shop sells an average of 69 kg of sugar a day for 4 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.The average weight of 8 children is 40 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Isha’s batting average after 13 innings is 22 runs. How many runs must Isha score in the next innings to raise the average to 23?
  22. 22.Marks of 5 friends in a quiz: 73, 85, 62, 65, 70. What is their average mark?
  23. 23.Meera’s batting average after 7 innings is 23 runs. How many runs must Meera score in the next innings to raise the average to 24?
  24. 24.A shop sells an average of 71 kg of sugar a day for 3 days, and then 47 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  25. 25.The average weight of 8 children is 30 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average weight of 11 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 5 children is 48 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 43 kg of sugar a day for 5 days, and then 34 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  29. 29.The average weight of 8 children is 36 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 11 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 5 friends in a quiz: 47, 35, 40, 33, 75. What is their average mark?
  32. 32.Marks of 5 friends in a quiz: 94, 92, 91, 80, 48. What is their average mark?
  33. 33.A shop sells an average of 47 kg of sugar a day for 6 days, and then 36 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  34. 34.Marks of 4 friends in a quiz: 46, 50, 43, 5. What is their average mark?
  35. 35.Aarav’s batting average after 5 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 45?
  36. 36.Marks of 6 friends in a quiz: 42, 29, 42, 15, 24, 10. What is their average mark?
  37. 37.The average weight of 12 children is 42 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 8 children is 44 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Ananya’s batting average after 9 innings is 46 runs. How many runs must Ananya score in the next innings to raise the average to 50?
  40. 40.The average of 6 numbers is 22. When one more number is added, the average becomes 23. What number was added?

Answer key

  1. 40
  2. 26
  3. 38
  4. 66
  5. 73
  6. 78
  7. 40
  8. 49
  9. 29
  10. 29
  11. 79
  12. 50
  13. 44
  14. 39
  15. 68
  16. 80
  17. 40
  18. 60
  19. 48
  20. 37
  21. 36
  22. 71
  23. 31
  24. 55
  25. 27
  26. 26
  27. 45
  28. 39
  29. 34
  30. 45
  31. 46
  32. 81
  33. 42
  34. 36
  35. 60
  36. 27
  37. 41
  38. 43
  39. 86
  40. 29

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