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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 466 · 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.

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  1. 1.Marks of 4 friends in a quiz: 83, 58, 83, 56. What is their average mark?
  2. 2.The average weight of 12 children is 44 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Manav’s batting average after 10 innings is 47 runs. How many runs must Manav score in the next innings to raise the average to 51?
  4. 4.The average of 5 numbers is 34. When one more number is added, the average becomes 36. What number was added?
  5. 5.Marks of 6 friends in a quiz: 34, 34, 50, 58, 36, 58. What is their average mark?
  6. 6.The average of 8 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  7. 7.The average of 5 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  8. 8.The average of 9 numbers is 46. When one more number is added, the average becomes 48. What number was added?
  9. 9.A shop sells an average of 39 kg of sugar a day for 3 days, and then 63 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 24 kg of sugar a day for 5 days, and then 40 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  12. 12.A shop sells an average of 53 kg of sugar a day for 6 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  13. 13.The average weight of 10 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Tara’s batting average after 6 innings is 26 runs. How many runs must Tara score in the next innings to raise the average to 29?
  15. 15.A shop sells an average of 22 kg of sugar a day for 6 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Dev’s batting average after 5 innings is 35 runs. How many runs must Dev score in the next innings to raise the average to 37?
  18. 18.The average weight of 12 children is 39 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 54 kg of sugar a day for 6 days, and then 39 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.Marks of 5 friends in a quiz: 42, 41, 22, 18, 42. What is their average mark?
  21. 21.The average of 5 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  22. 22.The average of 4 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  23. 23.The average weight of 6 children is 40 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 4 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  25. 25.Farhan’s batting average after 9 innings is 33 runs. How many runs must Farhan score in the next innings to raise the average to 35?
  26. 26.A shop sells an average of 47 kg of sugar a day for 4 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.Vivaan’s batting average after 5 innings is 28 runs. How many runs must Vivaan score in the next innings to raise the average to 31?
  28. 28.A shop sells an average of 55 kg of sugar a day for 3 days, and then 47 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.The average of 4 numbers is 59. When one more number is added, the average becomes 63. What number was added?
  30. 30.The average of 4 numbers is 26. When one more number is added, the average becomes 29. What number was added?
  31. 31.The average weight of 7 children is 35 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Nisha’s batting average after 10 innings is 40 runs. How many runs must Nisha score in the next innings to raise the average to 45?
  33. 33.Marks of 6 friends in a quiz: 45, 42, 42, 59, 59, 95. What is their average mark?
  34. 34.Nisha’s batting average after 11 innings is 32 runs. How many runs must Nisha score in the next innings to raise the average to 35?
  35. 35.A shop sells an average of 29 kg of sugar a day for 2 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  36. 36.The average of 4 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  37. 37.Marks of 5 friends in a quiz: 67, 47, 64, 46, 61. What is their average mark?
  38. 38.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 35?
  39. 39.A shop sells an average of 62 kg of sugar a day for 2 days, and then 48 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  40. 40.Marks of 5 friends in a quiz: 80, 62, 65, 69, 74. What is their average mark?

Answer key

  1. 70
  2. 42
  3. 91
  4. 46
  5. 45
  6. 87
  7. 62
  8. 66
  9. 54
  10. 36
  11. 30
  12. 59
  13. 44
  14. 47
  15. 30
  16. 26
  17. 47
  18. 38
  19. 48
  20. 33
  21. 56
  22. 45
  23. 39
  24. 33
  25. 53
  26. 48
  27. 46
  28. 51
  29. 79
  30. 41
  31. 33
  32. 95
  33. 57
  34. 68
  35. 44
  36. 41
  37. 57
  38. 60
  39. 52
  40. 70

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