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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 255 · 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.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Saanvi’s batting average after 12 innings is 26 runs. How many runs must Saanvi score in the next innings to raise the average to 27?
  3. 3.Farhan’s batting average after 12 innings is 47 runs. How many runs must Farhan score in the next innings to raise the average to 49?
  4. 4.The average of 7 numbers is 35. When one more number is added, the average becomes 41. What number was added?
  5. 5.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 79 kg of sugar a day for 2 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  7. 7.A shop sells an average of 66 kg of sugar a day for 6 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  8. 8.The average of 5 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  9. 9.Marks of 4 friends in a quiz: 65, 44, 64, 31. What is their average mark?
  10. 10.Sneha’s batting average after 12 innings is 38 runs. How many runs must Sneha score in the next innings to raise the average to 41?
  11. 11.The average of 5 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  12. 12.A shop sells an average of 24 kg of sugar a day for 5 days, and then 60 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  13. 13.A shop sells an average of 44 kg of sugar a day for 2 days, and then 38 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  14. 14.The average of 9 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  15. 15.The average weight of 6 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 5 friends in a quiz: 85, 86, 74, 91, 59. What is their average mark?
  17. 17.Marks of 6 friends in a quiz: 30, 45, 30, 38, 40, 9. What is their average mark?
  18. 18.The average weight of 6 children is 34 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Ananya’s batting average after 10 innings is 22 runs. How many runs must Ananya score in the next innings to raise the average to 26?
  20. 20.A shop sells an average of 32 kg of sugar a day for 2 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Marks of 5 friends in a quiz: 50, 55, 43, 62, 65. What is their average mark?
  22. 22.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Aarav’s batting average after 11 innings is 22 runs. How many runs must Aarav score in the next innings to raise the average to 26?
  24. 24.The average weight of 6 children is 43 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 4 friends in a quiz: 25, 27, 24, 52. What is their average mark?
  26. 26.The average of 9 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  27. 27.The average of 9 numbers is 35. When one more number is added, the average becomes 40. What number was added?
  28. 28.Marks of 6 friends in a quiz: 31, 35, 26, 15, 14, 41. What is their average mark?
  29. 29.Marks of 4 friends in a quiz: 73, 101, 78, 96. What is their average mark?
  30. 30.The average of 4 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  31. 31.A shop sells an average of 66 kg of sugar a day for 4 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  32. 32.Marks of 5 friends in a quiz: 39, 22, 32, 31, 61. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 48, 23, 28, 41. What is their average mark?
  34. 34.The average weight of 9 children is 37 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 35 kg of sugar a day for 4 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  36. 36.Marks of 4 friends in a quiz: 52, 37, 50, 45. What is their average mark?
  37. 37.Vivaan’s batting average after 9 innings is 44 runs. How many runs must Vivaan score in the next innings to raise the average to 45?
  38. 38.A shop sells an average of 65 kg of sugar a day for 3 days, and then 49 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.Marks of 4 friends in a quiz: 49, 40, 31, 64. What is their average mark?
  40. 40.Marks of 6 friends in a quiz: 95, 93, 65, 88, 81, 58. What is their average mark?

Answer key

  1. 44
  2. 39
  3. 73
  4. 83
  5. 36
  6. 64
  7. 43
  8. 48
  9. 51
  10. 77
  11. 26
  12. 42
  13. 40
  14. 79
  15. 36
  16. 79
  17. 32
  18. 33
  19. 66
  20. 53
  21. 55
  22. 30
  23. 70
  24. 42
  25. 32
  26. 79
  27. 85
  28. 27
  29. 87
  30. 38
  31. 53
  32. 37
  33. 35
  34. 35
  35. 50
  36. 46
  37. 54
  38. 55
  39. 46
  40. 80

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