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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 310 · 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: 86, 62, 61, 79, 82. What is their average mark?
  2. 2.Marks of 5 friends in a quiz: 62, 33, 57, 33, 50. What is their average mark?
  3. 3.The average of 6 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  4. 4.Marks of 5 friends in a quiz: 81, 71, 73, 84, 56. What is their average mark?
  5. 5.The average of 4 numbers is 47. When one more number is added, the average becomes 51. What number was added?
  6. 6.A shop sells an average of 72 kg of sugar a day for 2 days, and then 30 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  7. 7.A shop sells an average of 57 kg of sugar a day for 2 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  8. 8.Zoya’s batting average after 15 innings is 41 runs. How many runs must Zoya score in the next innings to raise the average to 43?
  9. 9.Marks of 4 friends in a quiz: 24, 17, 23, 36. What is their average mark?
  10. 10.A shop sells an average of 63 kg of sugar a day for 2 days, and then 49 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  11. 11.A shop sells an average of 32 kg of sugar a day for 4 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  12. 12.Marks of 5 friends in a quiz: 78, 71, 70, 85, 61. What is their average mark?
  13. 13.A shop sells an average of 45 kg of sugar a day for 2 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  14. 14.Marks of 6 friends in a quiz: 65, 64, 83, 78, 85, 93. What is their average mark?
  15. 15.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 6 friends in a quiz: 94, 94, 91, 83, 73, 57. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 48, 31, 45, 12. What is their average mark?
  18. 18.A shop sells an average of 73 kg of sugar a day for 5 days, and then 57 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  19. 19.Aarav’s batting average after 9 innings is 29 runs. How many runs must Aarav score in the next innings to raise the average to 33?
  20. 20.Marks of 5 friends in a quiz: 13, 25, 32, 34, 6. What is their average mark?
  21. 21.A shop sells an average of 64 kg of sugar a day for 4 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.Marks of 5 friends in a quiz: 88, 93, 101, 94, 64. What is their average mark?
  23. 23.Pooja’s batting average after 9 innings is 20 runs. How many runs must Pooja score in the next innings to raise the average to 25?
  24. 24.A shop sells an average of 32 kg of sugar a day for 6 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.Pooja’s batting average after 12 innings is 29 runs. How many runs must Pooja score in the next innings to raise the average to 33?
  26. 26.Marks of 4 friends in a quiz: 35, 38, 52, 43. What is their average mark?
  27. 27.The average weight of 10 children is 34 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 8 children is 41 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 20 kg of sugar a day for 2 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  30. 30.A shop sells an average of 44 kg of sugar a day for 5 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  31. 31.Arjun’s batting average after 14 innings is 47 runs. How many runs must Arjun score in the next innings to raise the average to 50?
  32. 32.Marks of 5 friends in a quiz: 55, 44, 33, 31, 62. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 62, 58, 58, 42. What is their average mark?
  34. 34.Marks of 6 friends in a quiz: 56, 58, 75, 58, 80, 75. What is their average mark?
  35. 35.Marks of 4 friends in a quiz: 80, 97, 72, 95. What is their average mark?
  36. 36.The average of 4 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  37. 37.The average weight of 9 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Sneha’s batting average after 12 innings is 24 runs. How many runs must Sneha score in the next innings to raise the average to 26?
  39. 39.Marks of 4 friends in a quiz: 41, 59, 52, 24. What is their average mark?
  40. 40.Marks of 4 friends in a quiz: 67, 65, 83, 97. What is their average mark?

Answer key

  1. 74
  2. 47
  3. 46
  4. 73
  5. 67
  6. 44
  7. 67
  8. 73
  9. 25
  10. 53
  11. 53
  12. 73
  13. 34
  14. 78
  15. 26
  16. 82
  17. 34
  18. 65
  19. 69
  20. 22
  21. 55
  22. 88
  23. 70
  24. 38
  25. 81
  26. 42
  27. 31
  28. 38
  29. 41
  30. 54
  31. 92
  32. 45
  33. 55
  34. 67
  35. 86
  36. 79
  37. 28
  38. 50
  39. 44
  40. 78

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