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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 505 · 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 4 friends in a quiz: 42, 27, 17, 26. What is their average mark?
  2. 2.A shop sells an average of 53 kg of sugar a day for 2 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.The average of 5 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  4. 4.The average weight of 10 children is 33 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 10 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 6 friends in a quiz: 54, 66, 54, 63, 67, 50. What is their average mark?
  8. 8.The average weight of 7 children is 40 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 53 kg of sugar a day for 6 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  10. 10.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 9 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  12. 12.A shop sells an average of 34 kg of sugar a day for 4 days, and then 80 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  13. 13.The average weight of 11 children is 37 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 6 friends in a quiz: 12, 20, 19, 28, 40, 43. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 45, 24, 31, 48. What is their average mark?
  16. 16.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 8 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  18. 18.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)?
  19. 19.Marks of 6 friends in a quiz: 98, 95, 74, 79, 92, 66. What is their average mark?
  20. 20.Rahul’s batting average after 7 innings is 39 runs. How many runs must Rahul score in the next innings to raise the average to 41?
  21. 21.Marks of 5 friends in a quiz: 76, 59, 55, 51, 84. What is their average mark?
  22. 22.A shop sells an average of 60 kg of sugar a day for 3 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  23. 23.Priya’s batting average after 12 innings is 49 runs. How many runs must Priya score in the next innings to raise the average to 51?
  24. 24.A shop sells an average of 32 kg of sugar a day for 4 days, and then 40 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.Marks of 6 friends in a quiz: 37, 34, 33, 44, 52, 22. What is their average mark?
  26. 26.A shop sells an average of 38 kg of sugar a day for 5 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  27. 27.A shop sells an average of 22 kg of sugar a day for 2 days, and then 28 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  28. 28.Marks of 6 friends in a quiz: 24, 23, 50, 27, 41, 57. What is their average mark?
  29. 29.Aditya’s batting average after 10 innings is 42 runs. How many runs must Aditya score in the next innings to raise the average to 47?
  30. 30.Aditya’s batting average after 11 innings is 50 runs. How many runs must Aditya score in the next innings to raise the average to 54?
  31. 31.Tara’s batting average after 15 innings is 40 runs. How many runs must Tara score in the next innings to raise the average to 43?
  32. 32.Marks of 4 friends in a quiz: 81, 76, 79, 56. What is their average mark?
  33. 33.Marks of 5 friends in a quiz: 51, 46, 68, 46, 69. What is their average mark?
  34. 34.A shop sells an average of 66 kg of sugar a day for 6 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  35. 35.The average of 6 numbers is 47. When one more number is added, the average becomes 51. What number was added?
  36. 36.A shop sells an average of 26 kg of sugar a day for 5 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.A shop sells an average of 73 kg of sugar a day for 5 days, and then 57 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.Karan’s batting average after 13 innings is 33 runs. How many runs must Karan score in the next innings to raise the average to 34?
  39. 39.The average weight of 5 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Ishaan’s batting average after 9 innings is 35 runs. How many runs must Ishaan score in the next innings to raise the average to 39?

Answer key

  1. 28
  2. 58
  3. 48
  4. 32
  5. 42
  6. 29
  7. 59
  8. 39
  9. 45
  10. 29
  11. 80
  12. 57
  13. 35
  14. 27
  15. 37
  16. 43
  17. 62
  18. 26
  19. 84
  20. 55
  21. 65
  22. 56
  23. 75
  24. 36
  25. 37
  26. 44
  27. 26
  28. 37
  29. 97
  30. 98
  31. 88
  32. 73
  33. 56
  34. 51
  35. 75
  36. 42
  37. 67
  38. 47
  39. 35
  40. 75

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