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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 334 · 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: 39, 48, 47, 58. What is their average mark?
  2. 2.Karan’s batting average after 12 innings is 33 runs. How many runs must Karan score in the next innings to raise the average to 38?
  3. 3.Rohan’s batting average after 14 innings is 32 runs. How many runs must Rohan score in the next innings to raise the average to 34?
  4. 4.A shop sells an average of 34 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)?
  5. 5.A shop sells an average of 31 kg of sugar a day for 5 days, and then 23 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.The average weight of 9 children is 30 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 6 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  8. 8.The average weight of 7 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 5 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  10. 10.Marks of 4 friends in a quiz: 45, 28, 36, 51. What is their average mark?
  11. 11.Marks of 4 friends in a quiz: 55, 46, 59, 76. What is their average mark?
  12. 12.Meera’s batting average after 6 innings is 38 runs. How many runs must Meera score in the next innings to raise the average to 39?
  13. 13.The average weight of 9 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 58 kg of sugar a day for 3 days, and then 37 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.The average weight of 11 children is 33 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 9 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  17. 17.A shop sells an average of 30 kg of sugar a day for 5 days, and then 57 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  18. 18.A shop sells an average of 67 kg of sugar a day for 3 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  19. 19.The average weight of 5 children is 38 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 8 children is 29 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 4 friends in a quiz: 68, 67, 63, 98. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 78, 63, 78, 84, 58, 71. What is their average mark?
  23. 23.The average weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 32 kg of sugar a day for 5 days, and then 56 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.The average weight of 11 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Ananya’s batting average after 10 innings is 29 runs. How many runs must Ananya score in the next innings to raise the average to 33?
  27. 27.Arjun’s batting average after 11 innings is 45 runs. How many runs must Arjun score in the next innings to raise the average to 50?
  28. 28.The average weight of 11 children is 34 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Pooja’s batting average after 11 innings is 23 runs. How many runs must Pooja score in the next innings to raise the average to 24?
  30. 30.The average of 4 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  31. 31.The average of 6 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  32. 32.Marks of 6 friends in a quiz: 58, 43, 66, 66, 49, 54. What is their average mark?
  33. 33.Tara’s batting average after 13 innings is 20 runs. How many runs must Tara score in the next innings to raise the average to 21?
  34. 34.The average weight of 11 children is 29 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 5 friends in a quiz: 56, 80, 62, 67, 90. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 52, 70, 52, 66. What is their average mark?
  37. 37.Marks of 5 friends in a quiz: 17, 17, 39, 26, 26. What is their average mark?
  38. 38.Marks of 4 friends in a quiz: 46, 54, 56, 20. What is their average mark?
  39. 39.Diya’s batting average after 14 innings is 24 runs. How many runs must Diya score in the next innings to raise the average to 25?
  40. 40.Marks of 5 friends in a quiz: 36, 35, 36, 54, 54. What is their average mark?

Answer key

  1. 48
  2. 98
  3. 62
  4. 39
  5. 27
  6. 27
  7. 65
  8. 29
  9. 33
  10. 40
  11. 59
  12. 45
  13. 30
  14. 44
  15. 31
  16. 103
  17. 42
  18. 45
  19. 36
  20. 28
  21. 74
  22. 72
  23. 39
  24. 44
  25. 33
  26. 73
  27. 105
  28. 31
  29. 35
  30. 46
  31. 50
  32. 56
  33. 34
  34. 27
  35. 71
  36. 60
  37. 25
  38. 44
  39. 39
  40. 43

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