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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 87 · 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 7 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 33 kg of sugar a day for 2 days, and then 45 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.The average weight of 11 children is 45 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 44 kg of sugar a day for 4 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  5. 5.The average weight of 9 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 5 friends in a quiz: 43, 53, 34, 48, 42. What is their average mark?
  7. 7.A shop sells an average of 59 kg of sugar a day for 2 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  8. 8.Nisha’s batting average after 8 innings is 36 runs. How many runs must Nisha score in the next innings to raise the average to 38?
  9. 9.A shop sells an average of 27 kg of sugar a day for 6 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  10. 10.Marks of 6 friends in a quiz: 48, 53, 50, 42, 41, 24. What is their average mark?
  11. 11.Priya’s batting average after 7 innings is 30 runs. How many runs must Priya score in the next innings to raise the average to 35?
  12. 12.The average of 5 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  13. 13.Marks of 4 friends in a quiz: 99, 103, 77, 77. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 38, 45, 46, 27. What is their average mark?
  15. 15.The average of 7 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  16. 16.The average of 8 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  17. 17.Dev’s batting average after 8 innings is 33 runs. How many runs must Dev score in the next innings to raise the average to 37?
  18. 18.Marks of 5 friends in a quiz: 24, 32, 35, 36, 68. What is their average mark?
  19. 19.A shop sells an average of 76 kg of sugar a day for 5 days, and then 32 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 34, 31, 31, 36. What is their average mark?
  21. 21.Marks of 5 friends in a quiz: 70, 72, 57, 75, 81. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 39, 38, 18, 29, 39, 23. What is their average mark?
  23. 23.A shop sells an average of 80 kg of sugar a day for 2 days, and then 40 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  24. 24.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?
  25. 25.Marks of 5 friends in a quiz: 40, 17, 40, 25, 38. What is their average mark?
  26. 26.The average weight of 8 children is 40 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 11 children is 37 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 4 friends in a quiz: 61, 81, 57, 81. What is their average mark?
  29. 29.A shop sells an average of 73 kg of sugar a day for 2 days, and then 58 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.The average of 8 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  31. 31.The average of 9 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  32. 32.The average weight of 10 children is 29 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 5 children is 32 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 4 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  35. 35.Marks of 6 friends in a quiz: 23, 15, 37, 25, 23, 45. What is their average mark?
  36. 36.The average weight of 8 children is 35 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 44 kg of sugar a day for 5 days, and then 68 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  38. 38.A shop sells an average of 53 kg of sugar a day for 3 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  39. 39.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 48 kg of sugar a day for 3 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 32
  2. 41
  3. 42
  4. 47
  5. 27
  6. 44
  7. 38
  8. 54
  9. 36
  10. 43
  11. 70
  12. 77
  13. 89
  14. 39
  15. 61
  16. 56
  17. 69
  18. 39
  19. 54
  20. 33
  21. 71
  22. 31
  23. 56
  24. 70
  25. 32
  26. 37
  27. 35
  28. 70
  29. 63
  30. 91
  31. 42
  32. 28
  33. 31
  34. 65
  35. 28
  36. 32
  37. 56
  38. 51
  39. 27
  40. 38

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