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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 561 · 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 6 friends in a quiz: 42, 38, 30, 40, 31, 77. What is their average mark?
  2. 2.Karan’s batting average after 9 innings is 21 runs. How many runs must Karan score in the next innings to raise the average to 23?
  3. 3.The average of 4 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  4. 4.Vivaan’s batting average after 11 innings is 22 runs. How many runs must Vivaan score in the next innings to raise the average to 26?
  5. 5.Marks of 6 friends in a quiz: 52, 54, 71, 51, 73, 89. What is their average mark?
  6. 6.Marks of 6 friends in a quiz: 39, 38, 27, 17, 23, 12. What is their average mark?
  7. 7.Zoya’s batting average after 8 innings is 21 runs. How many runs must Zoya score in the next innings to raise the average to 23?
  8. 8.Vivaan’s batting average after 7 innings is 20 runs. How many runs must Vivaan score in the next innings to raise the average to 21?
  9. 9.The average of 7 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  10. 10.A shop sells an average of 71 kg of sugar a day for 3 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  11. 11.The average of 6 numbers is 57. When one more number is added, the average becomes 60. What number was added?
  12. 12.The average of 7 numbers is 44. When one more number is added, the average becomes 48. What number was added?
  13. 13.Marks of 4 friends in a quiz: 49, 36, 57, 54. What is their average mark?
  14. 14.The average weight of 9 children is 40 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 6 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  16. 16.The average of 4 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  17. 17.A shop sells an average of 39 kg of sugar a day for 2 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.The average of 4 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  19. 19.A shop sells an average of 49 kg of sugar a day for 3 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.A shop sells an average of 44 kg of sugar a day for 4 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Arjun’s batting average after 13 innings is 43 runs. How many runs must Arjun score in the next innings to raise the average to 44?
  23. 23.Ishaan’s batting average after 6 innings is 37 runs. How many runs must Ishaan score in the next innings to raise the average to 38?
  24. 24.Manav’s batting average after 5 innings is 30 runs. How many runs must Manav score in the next innings to raise the average to 33?
  25. 25.The average weight of 9 children is 29 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 75 kg of sugar a day for 5 days, and then 30 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  27. 27.Marks of 5 friends in a quiz: 61, 77, 77, 59, 41. What is their average mark?
  28. 28.A shop sells an average of 20 kg of sugar a day for 6 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  29. 29.Marks of 6 friends in a quiz: 24, 26, 41, 33, 50, 36. What is their average mark?
  30. 30.A shop sells an average of 80 kg of sugar a day for 4 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.Marks of 4 friends in a quiz: 96, 85, 81, 82. What is their average mark?
  32. 32.The average weight of 8 children is 43 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 9 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  34. 34.Arjun’s batting average after 13 innings is 39 runs. How many runs must Arjun score in the next innings to raise the average to 40?
  35. 35.The average of 9 numbers is 43. When one more number is added, the average becomes 48. What number was added?
  36. 36.A shop sells an average of 64 kg of sugar a day for 2 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.A shop sells an average of 75 kg of sugar a day for 2 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  38. 38.The average weight of 9 children is 32 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 35 kg of sugar a day for 4 days, and then 23 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.The average weight of 5 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 43
  2. 41
  3. 58
  4. 70
  5. 65
  6. 26
  7. 39
  8. 28
  9. 40
  10. 59
  11. 78
  12. 76
  13. 49
  14. 38
  15. 37
  16. 31
  17. 48
  18. 41
  19. 39
  20. 53
  21. 36
  22. 57
  23. 44
  24. 48
  25. 26
  26. 55
  27. 63
  28. 23
  29. 35
  30. 56
  31. 86
  32. 42
  33. 97
  34. 53
  35. 93
  36. 57
  37. 50
  38. 30
  39. 29
  40. 33

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