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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 128 · 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 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 51 kg of sugar a day for 5 days, and then 62 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  3. 3.The average of 9 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  4. 4.A shop sells an average of 59 kg of sugar a day for 6 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  5. 5.The average of 4 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  6. 6.The average weight of 5 children is 46 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 9 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 8 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  10. 10.A shop sells an average of 62 kg of sugar a day for 4 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.Marks of 5 friends in a quiz: 68, 69, 55, 53, 25. What is their average mark?
  12. 12.The average of 5 numbers is 41. When one more number is added, the average becomes 44. What number was added?
  13. 13.The average weight of 5 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 6 friends in a quiz: 77, 99, 84, 75, 99, 70. What is their average mark?
  15. 15.The average weight of 12 children is 31 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 4 numbers is 29. When one more number is added, the average becomes 33. What number was added?
  17. 17.Marks of 5 friends in a quiz: 56, 61, 57, 51, 95. What is their average mark?
  18. 18.A shop sells an average of 31 kg of sugar a day for 6 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  19. 19.Marks of 4 friends in a quiz: 60, 48, 62, 22. What is their average mark?
  20. 20.Marks of 4 friends in a quiz: 53, 48, 51, 76. What is their average mark?
  21. 21.The average weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 8 children is 38 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Ananya’s batting average after 15 innings is 39 runs. How many runs must Ananya score in the next innings to raise the average to 41?
  24. 24.A shop sells an average of 36 kg of sugar a day for 3 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Marks of 4 friends in a quiz: 17, 24, 27, 56. What is their average mark?
  26. 26.The average weight of 6 children is 34 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.A shop sells an average of 57 kg of sugar a day for 4 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  28. 28.A shop sells an average of 25 kg of sugar a day for 6 days, and then 40 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  29. 29.The average weight of 9 children is 42 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Vivaan’s batting average after 12 innings is 22 runs. How many runs must Vivaan score in the next innings to raise the average to 27?
  31. 31.The average weight of 9 children is 32 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 8 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  33. 33.A shop sells an average of 35 kg of sugar a day for 6 days, and then 61 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  34. 34.The average weight of 12 children is 41 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 79 kg of sugar a day for 6 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  36. 36.Farhan’s batting average after 8 innings is 43 runs. How many runs must Farhan score in the next innings to raise the average to 45?
  37. 37.A shop sells an average of 39 kg of sugar a day for 4 days, and then 30 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  38. 38.The average weight of 12 children is 33 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 6 children is 39 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 12 children is 33 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 30
  2. 57
  3. 37
  4. 52
  5. 28
  6. 45
  7. 28
  8. 34
  9. 83
  10. 69
  11. 54
  12. 59
  13. 33
  14. 84
  15. 30
  16. 49
  17. 64
  18. 53
  19. 48
  20. 57
  21. 39
  22. 36
  23. 71
  24. 34
  25. 31
  26. 33
  27. 60
  28. 31
  29. 39
  30. 87
  31. 29
  32. 38
  33. 48
  34. 40
  35. 62
  36. 61
  37. 34
  38. 31
  39. 37
  40. 30

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