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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 341 · 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: 58, 52, 81, 52, 87. What is their average mark?
  2. 2.A shop sells an average of 35 kg of sugar a day for 2 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 86, 66, 95, 73. What is their average mark?
  4. 4.The average of 9 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  5. 5.The average weight of 7 children is 43 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 5 friends in a quiz: 49, 39, 54, 55, 18. What is their average mark?
  7. 7.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 6 children is 44 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 4 friends in a quiz: 39, 19, 14, 28. What is their average mark?
  10. 10.A shop sells an average of 79 kg of sugar a day for 2 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  11. 11.Marks of 4 friends in a quiz: 14, 40, 38, 12. What is their average mark?
  12. 12.Dev’s batting average after 9 innings is 30 runs. How many runs must Dev score in the next innings to raise the average to 32?
  13. 13.Saanvi’s batting average after 12 innings is 44 runs. How many runs must Saanvi score in the next innings to raise the average to 46?
  14. 14.Manav’s batting average after 5 innings is 24 runs. How many runs must Manav score in the next innings to raise the average to 28?
  15. 15.A shop sells an average of 39 kg of sugar a day for 6 days, and then 63 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  16. 16.A shop sells an average of 36 kg of sugar a day for 2 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  17. 17.A shop sells an average of 67 kg of sugar a day for 2 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.Kavya’s batting average after 12 innings is 45 runs. How many runs must Kavya score in the next innings to raise the average to 46?
  19. 19.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Priya’s batting average after 8 innings is 34 runs. How many runs must Priya score in the next innings to raise the average to 36?
  21. 21.A shop sells an average of 23 kg of sugar a day for 3 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  22. 22.The average of 8 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  23. 23.The average weight of 6 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 5 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  25. 25.The average of 9 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  26. 26.The average of 9 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  27. 27.A shop sells an average of 40 kg of sugar a day for 4 days, and then 52 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.Aarav’s batting average after 12 innings is 39 runs. How many runs must Aarav score in the next innings to raise the average to 42?
  29. 29.The average weight of 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Farhan’s batting average after 7 innings is 40 runs. How many runs must Farhan score in the next innings to raise the average to 43?
  31. 31.Rohan’s batting average after 11 innings is 33 runs. How many runs must Rohan score in the next innings to raise the average to 34?
  32. 32.The average of 6 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  33. 33.Kabir’s batting average after 15 innings is 20 runs. How many runs must Kabir score in the next innings to raise the average to 22?
  34. 34.The average weight of 5 children is 36 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Aarav’s batting average after 13 innings is 22 runs. How many runs must Aarav score in the next innings to raise the average to 23?
  36. 36.The average weight of 8 children is 42 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 6 numbers is 47. When one more number is added, the average becomes 52. What number was added?
  38. 38.Marks of 4 friends in a quiz: 42, 62, 62, 38. What is their average mark?
  39. 39.The average weight of 6 children is 36 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 6 friends in a quiz: 46, 53, 48, 49, 58, 88. What is their average mark?

Answer key

  1. 66
  2. 55
  3. 80
  4. 57
  5. 40
  6. 43
  7. 27
  8. 41
  9. 25
  10. 73
  11. 26
  12. 50
  13. 70
  14. 48
  15. 47
  16. 35
  17. 46
  18. 58
  19. 40
  20. 52
  21. 27
  22. 34
  23. 30
  24. 68
  25. 46
  26. 70
  27. 46
  28. 78
  29. 39
  30. 64
  31. 45
  32. 71
  33. 52
  34. 35
  35. 36
  36. 41
  37. 82
  38. 51
  39. 33
  40. 57

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