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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 584 · 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 39 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 6 children is 32 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 5 friends in a quiz: 16, 11, 11, 39, 48. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 40, 26, 38, 40, 26. What is their average mark?
  5. 5.A shop sells an average of 57 kg of sugar a day for 2 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.Marks of 5 friends in a quiz: 48, 40, 68, 54, 65. What is their average mark?
  7. 7.Marks of 6 friends in a quiz: 25, 20, 42, 20, 48, 49. What is their average mark?
  8. 8.Marks of 4 friends in a quiz: 55, 49, 73, 79. What is their average mark?
  9. 9.The average of 7 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  10. 10.Marks of 6 friends in a quiz: 61, 86, 73, 86, 73, 65. What is their average mark?
  11. 11.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)?
  12. 12.A shop sells an average of 46 kg of sugar a day for 2 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.A shop sells an average of 50 kg of sugar a day for 6 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.A shop sells an average of 73 kg of sugar a day for 4 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  15. 15.Marks of 5 friends in a quiz: 33, 27, 28, 34, 23. What is their average mark?
  16. 16.Karan’s batting average after 14 innings is 21 runs. How many runs must Karan score in the next innings to raise the average to 25?
  17. 17.A shop sells an average of 32 kg of sugar a day for 3 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  18. 18.Nisha’s batting average after 11 innings is 27 runs. How many runs must Nisha score in the next innings to raise the average to 29?
  19. 19.Marks of 4 friends in a quiz: 68, 87, 82, 67. What is their average mark?
  20. 20.The average of 4 numbers is 15. When one more number is added, the average becomes 18. What number was added?
  21. 21.Marks of 5 friends in a quiz: 65, 68, 83, 79, 90. What is their average mark?
  22. 22.The average weight of 7 children is 33 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 9 children is 28 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 5 friends in a quiz: 46, 28, 31, 39, 31. What is their average mark?
  25. 25.The average of 8 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  26. 26.A shop sells an average of 30 kg of sugar a day for 3 days, and then 52 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.A shop sells an average of 53 kg of sugar a day for 5 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  28. 28.Isha’s batting average after 7 innings is 36 runs. How many runs must Isha score in the next innings to raise the average to 40?
  29. 29.The average weight of 6 children is 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.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)?
  31. 31.Marks of 6 friends in a quiz: 14, 30, 15, 15, 9, 55. What is their average mark?
  32. 32.Rahul’s batting average after 15 innings is 24 runs. How many runs must Rahul score in the next innings to raise the average to 27?
  33. 33.Arjun’s batting average after 5 innings is 45 runs. How many runs must Arjun score in the next innings to raise the average to 48?
  34. 34.Marks of 6 friends in a quiz: 37, 34, 22, 24, 44, 37. What is their average mark?
  35. 35.A shop sells an average of 56 kg of sugar a day for 6 days, and then 45 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  36. 36.Kavya’s batting average after 9 innings is 42 runs. How many runs must Kavya score in the next innings to raise the average to 44?
  37. 37.Priya’s batting average after 7 innings is 39 runs. How many runs must Priya score in the next innings to raise the average to 40?
  38. 38.Rohan’s batting average after 12 innings is 48 runs. How many runs must Rohan score in the next innings to raise the average to 49?
  39. 39.Marks of 4 friends in a quiz: 23, 26, 29, 58. What is their average mark?
  40. 40.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)?

Answer key

  1. 38
  2. 29
  3. 25
  4. 34
  5. 36
  6. 55
  7. 34
  8. 64
  9. 31
  10. 74
  11. 34
  12. 47
  13. 44
  14. 58
  15. 29
  16. 81
  17. 40
  18. 51
  19. 76
  20. 30
  21. 77
  22. 32
  23. 25
  24. 35
  25. 89
  26. 41
  27. 40
  28. 68
  29. 25
  30. 44
  31. 23
  32. 72
  33. 63
  34. 33
  35. 51
  36. 62
  37. 47
  38. 61
  39. 34
  40. 26

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