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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 18 · 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 6 friends in a quiz: 44, 48, 35, 42, 26, 33. What is their average mark?
  2. 2.The average weight of 11 children is 28 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 75 kg of sugar a day for 3 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  4. 4.The average weight of 6 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 41 kg of sugar a day for 2 days, and then 53 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.A shop sells an average of 39 kg of sugar a day for 3 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  7. 7.Marks of 4 friends in a quiz: 47, 57, 45, 63. What is their average mark?
  8. 8.Marks of 4 friends in a quiz: 84, 64, 56, 80. What is their average mark?
  9. 9.The average weight of 7 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 4 friends in a quiz: 68, 48, 60, 76. What is their average mark?
  11. 11.The average weight of 8 children is 32 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 32 kg of sugar a day for 4 days, and then 25 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  13. 13.The average of 4 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  14. 14.Marks of 4 friends in a quiz: 79, 90, 79, 76. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 78, 73, 67, 82, 95. What is their average mark?
  16. 16.The average weight of 6 children is 47 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 8 children is 35 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 7 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  20. 20.Diya’s batting average after 5 innings is 33 runs. How many runs must Diya score in the next innings to raise the average to 36?
  21. 21.A shop sells an average of 26 kg of sugar a day for 3 days, and then 42 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.The average of 4 numbers is 60. When one more number is added, the average becomes 66. What number was added?
  23. 23.The average weight of 10 children is 45 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Tara’s batting average after 15 innings is 26 runs. How many runs must Tara score in the next innings to raise the average to 27?
  25. 25.The average of 4 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  26. 26.The average of 9 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  27. 27.The average of 4 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  28. 28.Marks of 6 friends in a quiz: 53, 71, 51, 58, 65, 80. What is their average mark?
  29. 29.Farhan’s batting average after 6 innings is 46 runs. How many runs must Farhan score in the next innings to raise the average to 48?
  30. 30.The average weight of 5 children is 47 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.A shop sells an average of 39 kg of sugar a day for 4 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.Marks of 4 friends in a quiz: 59, 40, 50, 27. What is their average mark?
  33. 33.The average weight of 10 children is 43 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 7 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Vivaan’s batting average after 5 innings is 21 runs. How many runs must Vivaan score in the next innings to raise the average to 22?
  36. 36.The average of 8 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  37. 37.The average of 8 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  38. 38.The average of 5 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  39. 39.The average of 5 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  40. 40.A shop sells an average of 60 kg of sugar a day for 2 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

Answer key

  1. 38
  2. 25
  3. 55
  4. 26
  5. 50
  6. 37
  7. 53
  8. 71
  9. 32
  10. 63
  11. 29
  12. 29
  13. 48
  14. 81
  15. 79
  16. 44
  17. 36
  18. 34
  19. 62
  20. 51
  21. 34
  22. 90
  23. 42
  24. 42
  25. 22
  26. 72
  27. 21
  28. 63
  29. 60
  30. 44
  31. 35
  32. 44
  33. 41
  34. 40
  35. 27
  36. 87
  37. 50
  38. 49
  39. 43
  40. 42

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