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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 328 · 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.A shop sells an average of 60 kg of sugar a day for 2 days, and then 28 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.A shop sells an average of 66 kg of sugar a day for 6 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 38, 52, 29, 29. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 20, 44, 21, 35. What is their average mark?
  5. 5.Marks of 5 friends in a quiz: 94, 75, 94, 78, 99. What is their average mark?
  6. 6.The average weight of 5 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 58, 60, 59, 56, 42. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 49, 45, 72, 60, 46, 76. What is their average mark?
  11. 11.Marks of 6 friends in a quiz: 33, 42, 30, 55, 58, 46. What is their average mark?
  12. 12.The average weight of 5 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Diya’s batting average after 11 innings is 26 runs. How many runs must Diya score in the next innings to raise the average to 30?
  14. 14.A shop sells an average of 53 kg of sugar a day for 4 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  15. 15.The average of 6 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  16. 16.Marks of 4 friends in a quiz: 55, 36, 61, 44. What is their average mark?
  17. 17.A shop sells an average of 72 kg of sugar a day for 2 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.The average of 9 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  19. 19.The average of 5 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  20. 20.Marks of 6 friends in a quiz: 50, 45, 32, 37, 28, 18. What is their average mark?
  21. 21.Marks of 6 friends in a quiz: 11, 9, 7, 35, 9, 55. What is their average mark?
  22. 22.A shop sells an average of 77 kg of sugar a day for 6 days, and then 37 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  23. 23.A shop sells an average of 50 kg of sugar a day for 4 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.A shop sells an average of 21 kg of sugar a day for 3 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  25. 25.The average of 4 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  26. 26.Kavya’s batting average after 10 innings is 26 runs. How many runs must Kavya score in the next innings to raise the average to 29?
  27. 27.Tara’s batting average after 7 innings is 31 runs. How many runs must Tara score in the next innings to raise the average to 32?
  28. 28.Karan’s batting average after 6 innings is 28 runs. How many runs must Karan score in the next innings to raise the average to 29?
  29. 29.The average weight of 10 children is 31 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Farhan’s batting average after 10 innings is 34 runs. How many runs must Farhan score in the next innings to raise the average to 35?
  31. 31.Pooja’s batting average after 6 innings is 24 runs. How many runs must Pooja score in the next innings to raise the average to 28?
  32. 32.The average of 7 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  33. 33.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Dev’s batting average after 6 innings is 33 runs. How many runs must Dev score in the next innings to raise the average to 37?
  35. 35.A shop sells an average of 65 kg of sugar a day for 2 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  36. 36.Diya’s batting average after 8 innings is 42 runs. How many runs must Diya score in the next innings to raise the average to 44?
  37. 37.A shop sells an average of 77 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)?
  38. 38.Marks of 4 friends in a quiz: 27, 15, 19, 55. What is their average mark?
  39. 39.A shop sells an average of 25 kg of sugar a day for 5 days, and then 29 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  40. 40.Meera’s batting average after 9 innings is 26 runs. How many runs must Meera score in the next innings to raise the average to 27?

Answer key

  1. 36
  2. 69
  3. 37
  4. 30
  5. 88
  6. 30
  7. 45
  8. 29
  9. 55
  10. 58
  11. 44
  12. 33
  13. 74
  14. 56
  15. 22
  16. 49
  17. 46
  18. 88
  19. 57
  20. 35
  21. 21
  22. 57
  23. 43
  24. 53
  25. 30
  26. 59
  27. 39
  28. 35
  29. 29
  30. 45
  31. 52
  32. 69
  33. 28
  34. 61
  35. 53
  36. 60
  37. 51
  38. 29
  39. 27
  40. 36

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