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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 605 · 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 7 children is 33 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Rahul’s batting average after 8 innings is 34 runs. How many runs must Rahul score in the next innings to raise the average to 39?
  3. 3.Marks of 6 friends in a quiz: 52, 43, 68, 69, 58, 40. What is their average mark?
  4. 4.Marks of 6 friends in a quiz: 95, 88, 90, 84, 84, 69. What is their average mark?
  5. 5.The average weight of 5 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 6 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  7. 7.Vivaan’s batting average after 7 innings is 44 runs. How many runs must Vivaan score in the next innings to raise the average to 48?
  8. 8.A shop sells an average of 44 kg of sugar a day for 5 days, and then 26 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.Marks of 4 friends in a quiz: 63, 82, 68, 87. What is their average mark?
  10. 10.A shop sells an average of 42 kg of sugar a day for 3 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.Vivaan’s batting average after 8 innings is 26 runs. How many runs must Vivaan score in the next innings to raise the average to 29?
  12. 12.Dev’s batting average after 12 innings is 47 runs. How many runs must Dev score in the next innings to raise the average to 49?
  13. 13.Marks of 4 friends in a quiz: 69, 76, 61, 42. What is their average mark?
  14. 14.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 6 children is 45 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 6 friends in a quiz: 51, 50, 48, 33, 42, 52. What is their average mark?
  17. 17.Rohan’s batting average after 6 innings is 23 runs. How many runs must Rohan score in the next innings to raise the average to 25?
  18. 18.The average of 4 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  19. 19.The average of 9 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  20. 20.The average weight of 6 children is 42 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 7 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Farhan’s batting average after 15 innings is 39 runs. How many runs must Farhan score in the next innings to raise the average to 44?
  23. 23.The average of 4 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  24. 24.Marks of 6 friends in a quiz: 52, 64, 50, 52, 75, 67. What is their average mark?
  25. 25.Priya’s batting average after 5 innings is 29 runs. How many runs must Priya score in the next innings to raise the average to 30?
  26. 26.Rohan’s batting average after 14 innings is 33 runs. How many runs must Rohan score in the next innings to raise the average to 35?
  27. 27.Marks of 4 friends in a quiz: 82, 59, 81, 74. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 56, 69, 77, 66. What is their average mark?
  29. 29.The average weight of 8 children is 30 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 8 children is 37 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 6 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  32. 32.Meera’s batting average after 13 innings is 38 runs. How many runs must Meera score in the next innings to raise the average to 41?
  33. 33.The average of 8 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  34. 34.The average weight of 9 children is 42 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Aditya’s batting average after 7 innings is 21 runs. How many runs must Aditya score in the next innings to raise the average to 23?
  36. 36.Diya’s batting average after 6 innings is 24 runs. How many runs must Diya score in the next innings to raise the average to 28?
  37. 37.Marks of 5 friends in a quiz: 58, 57, 79, 68, 88. What is their average mark?
  38. 38.A shop sells an average of 76 kg of sugar a day for 6 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  39. 39.A shop sells an average of 27 kg of sugar a day for 3 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  40. 40.A shop sells an average of 20 kg of sugar a day for 3 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 32
  2. 79
  3. 55
  4. 85
  5. 42
  6. 91
  7. 76
  8. 36
  9. 75
  10. 37
  11. 53
  12. 73
  13. 62
  14. 45
  15. 42
  16. 46
  17. 37
  18. 82
  19. 66
  20. 39
  21. 27
  22. 119
  23. 46
  24. 60
  25. 35
  26. 63
  27. 74
  28. 67
  29. 28
  30. 35
  31. 41
  32. 80
  33. 38
  34. 40
  35. 37
  36. 52
  37. 70
  38. 63
  39. 47
  40. 24

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