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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 251 · 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 12 children is 45 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 5 friends in a quiz: 7, 30, 22, 7, 39. What is their average mark?
  3. 3.The average weight of 11 children is 44 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 8 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  5. 5.Marks of 6 friends in a quiz: 94, 99, 87, 83, 88, 59. What is their average mark?
  6. 6.The average weight of 9 children is 35 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 6 friends in a quiz: 15, 34, 29, 13, 26, 27. What is their average mark?
  8. 8.Ishaan’s batting average after 15 innings is 24 runs. How many runs must Ishaan score in the next innings to raise the average to 27?
  9. 9.Marks of 5 friends in a quiz: 74, 68, 73, 91, 84. What is their average mark?
  10. 10.Marks of 5 friends in a quiz: 37, 19, 12, 28, 24. What is their average mark?
  11. 11.The average weight of 11 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average weight of 9 children is 45 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 4 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  14. 14.A shop sells an average of 27 kg of sugar a day for 2 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.The average weight of 8 children is 33 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 6 friends in a quiz: 53, 53, 55, 32, 48, 41. What is their average mark?
  17. 17.The average of 5 numbers is 58. When one more number is added, the average becomes 63. What number was added?
  18. 18.Farhan’s batting average after 9 innings is 46 runs. How many runs must Farhan score in the next innings to raise the average to 51?
  19. 19.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)?
  20. 20.The average of 5 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  21. 21.Nisha’s batting average after 8 innings is 21 runs. How many runs must Nisha score in the next innings to raise the average to 23?
  22. 22.The average of 7 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  23. 23.Rahul’s batting average after 13 innings is 25 runs. How many runs must Rahul score in the next innings to raise the average to 30?
  24. 24.A shop sells an average of 54 kg of sugar a day for 5 days, and then 42 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 83, 78, 78, 70, 36. What is their average mark?
  26. 26.Priya’s batting average after 9 innings is 33 runs. How many runs must Priya score in the next innings to raise the average to 34?
  27. 27.A shop sells an average of 70 kg of sugar a day for 6 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.Marks of 4 friends in a quiz: 73, 66, 62, 79. What is their average mark?
  29. 29.Kabir’s batting average after 9 innings is 43 runs. How many runs must Kabir score in the next innings to raise the average to 47?
  30. 30.The average of 4 numbers is 35. When one more number is added, the average becomes 40. What number was added?
  31. 31.A shop sells an average of 32 kg of sugar a day for 3 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  32. 32.Marks of 6 friends in a quiz: 11, 11, 26, 37, 21, 32. What is their average mark?
  33. 33.The average of 8 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  34. 34.The average weight of 7 children is 46 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 26 kg of sugar a day for 2 days, and then 35 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.Zoya’s batting average after 6 innings is 28 runs. How many runs must Zoya score in the next innings to raise the average to 30?
  37. 37.Marks of 6 friends in a quiz: 43, 38, 36, 45, 44, 52. What is their average mark?
  38. 38.A shop sells an average of 35 kg of sugar a day for 3 days, and then 49 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.The average of 5 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  40. 40.Marks of 4 friends in a quiz: 62, 76, 83, 79. What is their average mark?

Answer key

  1. 42
  2. 21
  3. 42
  4. 79
  5. 85
  6. 32
  7. 24
  8. 72
  9. 78
  10. 24
  11. 31
  12. 44
  13. 39
  14. 31
  15. 31
  16. 47
  17. 88
  18. 96
  19. 37
  20. 73
  21. 39
  22. 41
  23. 95
  24. 48
  25. 69
  26. 43
  27. 68
  28. 70
  29. 83
  30. 60
  31. 51
  32. 23
  33. 65
  34. 45
  35. 32
  36. 42
  37. 43
  38. 42
  39. 49
  40. 75

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