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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 319 · 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.Meera’s batting average after 9 innings is 40 runs. How many runs must Meera score in the next innings to raise the average to 42?
  2. 2.A shop sells an average of 25 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)?
  3. 3.Isha’s batting average after 9 innings is 42 runs. How many runs must Isha score in the next innings to raise the average to 46?
  4. 4.Marks of 4 friends in a quiz: 64, 78, 61, 97. What is their average mark?
  5. 5.The average of 8 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  6. 6.Vivaan’s batting average after 12 innings is 29 runs. How many runs must Vivaan score in the next innings to raise the average to 33?
  7. 7.The average of 9 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  8. 8.A shop sells an average of 67 kg of sugar a day for 3 days, and then 40 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.A shop sells an average of 79 kg of sugar a day for 4 days, and then 25 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.Marks of 6 friends in a quiz: 45, 36, 32, 57, 43, 63. What is their average mark?
  11. 11.A shop sells an average of 60 kg of sugar a day for 6 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  12. 12.A shop sells an average of 72 kg of sugar a day for 6 days, and then 44 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  13. 13.A shop sells an average of 46 kg of sugar a day for 3 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  14. 14.A shop sells an average of 67 kg of sugar a day for 6 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  15. 15.Marks of 6 friends in a quiz: 68, 91, 72, 79, 65, 93. What is their average mark?
  16. 16.The average of 4 numbers is 42. When one more number is added, the average becomes 44. What number was added?
  17. 17.Ananya’s batting average after 15 innings is 27 runs. How many runs must Ananya score in the next innings to raise the average to 28?
  18. 18.Diya’s batting average after 15 innings is 36 runs. How many runs must Diya score in the next innings to raise the average to 38?
  19. 19.The average weight of 7 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 4 friends in a quiz: 77, 94, 79, 98. What is their average mark?
  21. 21.A shop sells an average of 20 kg of sugar a day for 6 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 46, 36, 26, 44. What is their average mark?
  23. 23.The average of 5 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  24. 24.The average of 6 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  25. 25.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)?
  26. 26.Marks of 4 friends in a quiz: 66, 61, 64, 49. What is their average mark?
  27. 27.The average of 9 numbers is 51. When one more number is added, the average becomes 56. What number was added?
  28. 28.Marks of 4 friends in a quiz: 16, 46, 27, 35. What is their average mark?
  29. 29.Marks of 6 friends in a quiz: 105, 77, 101, 80, 81, 96. What is their average mark?
  30. 30.A shop sells an average of 75 kg of sugar a day for 6 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  31. 31.Marks of 6 friends in a quiz: 39, 23, 41, 26, 32, 37. What is their average mark?
  32. 32.The average of 4 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  33. 33.The average of 4 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  34. 34.Marks of 5 friends in a quiz: 19, 22, 35, 33, 56. What is their average mark?
  35. 35.Pooja’s batting average after 8 innings is 41 runs. How many runs must Pooja score in the next innings to raise the average to 46?
  36. 36.Meera’s batting average after 12 innings is 40 runs. How many runs must Meera score in the next innings to raise the average to 41?
  37. 37.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 5 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  39. 39.Marks of 4 friends in a quiz: 18, 29, 22, 47. What is their average mark?
  40. 40.Marks of 4 friends in a quiz: 12, 13, 27, 56. What is their average mark?

Answer key

  1. 60
  2. 40
  3. 82
  4. 75
  5. 61
  6. 81
  7. 60
  8. 49
  9. 52
  10. 46
  11. 55
  12. 58
  13. 32
  14. 63
  15. 78
  16. 52
  17. 43
  18. 68
  19. 39
  20. 87
  21. 34
  22. 38
  23. 64
  24. 30
  25. 26
  26. 60
  27. 101
  28. 31
  29. 90
  30. 62
  31. 33
  32. 68
  33. 60
  34. 33
  35. 86
  36. 53
  37. 29
  38. 53
  39. 29
  40. 27

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