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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 179 · 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 5 friends in a quiz: 37, 51, 58, 36, 53. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 16, 20, 36, 32, 43, 33. What is their average mark?
  3. 3.Marks of 5 friends in a quiz: 80, 76, 94, 75, 80. What is their average mark?
  4. 4.A shop sells an average of 38 kg of sugar a day for 5 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  5. 5.A shop sells an average of 40 kg of sugar a day for 2 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.The average weight of 9 children is 40 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 76 kg of sugar a day for 3 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  8. 8.The average of 9 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  9. 9.The average weight of 10 children is 31 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 6 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  11. 11.Pooja’s batting average after 8 innings is 37 runs. How many runs must Pooja score in the next innings to raise the average to 42?
  12. 12.A shop sells an average of 29 kg of sugar a day for 4 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Ishaan’s batting average after 5 innings is 30 runs. How many runs must Ishaan score in the next innings to raise the average to 34?
  14. 14.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 8 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  17. 17.The average of 4 numbers is 41. When one more number is added, the average becomes 42. What number was added?
  18. 18.Meera’s batting average after 8 innings is 37 runs. How many runs must Meera score in the next innings to raise the average to 42?
  19. 19.Marks of 5 friends in a quiz: 48, 48, 43, 53, 93. What is their average mark?
  20. 20.The average of 9 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  21. 21.The average weight of 9 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 5 friends in a quiz: 50, 37, 33, 23, 42. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 81, 61, 55, 71. What is their average mark?
  24. 24.The average of 5 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  25. 25.Dev’s batting average after 11 innings is 30 runs. How many runs must Dev score in the next innings to raise the average to 35?
  26. 26.Priya’s batting average after 8 innings is 39 runs. How many runs must Priya score in the next innings to raise the average to 44?
  27. 27.Marks of 4 friends in a quiz: 68, 69, 76, 95. What is their average mark?
  28. 28.Marks of 6 friends in a quiz: 87, 77, 78, 90, 96, 82. What is their average mark?
  29. 29.Rahul’s batting average after 9 innings is 47 runs. How many runs must Rahul score in the next innings to raise the average to 50?
  30. 30.The average of 5 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  31. 31.The average weight of 10 children is 37 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 7 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  33. 33.The average of 5 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  34. 34.A shop sells an average of 44 kg of sugar a day for 6 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.A shop sells an average of 40 kg of sugar a day for 6 days, and then 52 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  36. 36.Nisha’s batting average after 15 innings is 43 runs. How many runs must Nisha score in the next innings to raise the average to 44?
  37. 37.The average weight of 11 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Vivaan’s batting average after 12 innings is 33 runs. How many runs must Vivaan score in the next innings to raise the average to 37?
  39. 39.Marks of 4 friends in a quiz: 18, 21, 33, 28. What is their average mark?
  40. 40.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 47
  2. 30
  3. 81
  4. 36
  5. 62
  6. 37
  7. 58
  8. 69
  9. 29
  10. 64
  11. 82
  12. 40
  13. 54
  14. 30
  15. 29
  16. 77
  17. 46
  18. 82
  19. 57
  20. 33
  21. 39
  22. 37
  23. 67
  24. 56
  25. 90
  26. 84
  27. 77
  28. 85
  29. 77
  30. 66
  31. 36
  32. 33
  33. 27
  34. 40
  35. 44
  36. 59
  37. 35
  38. 85
  39. 25
  40. 26

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