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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 449 · 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 of 8 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  2. 2.The average of 4 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  3. 3.Vivaan’s batting average after 13 innings is 28 runs. How many runs must Vivaan score in the next innings to raise the average to 32?
  4. 4.Marks of 6 friends in a quiz: 51, 38, 37, 37, 58, 37. What is their average mark?
  5. 5.A shop sells an average of 22 kg of sugar a day for 4 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.Karan’s batting average after 5 innings is 45 runs. How many runs must Karan score in the next innings to raise the average to 48?
  7. 7.Marks of 5 friends in a quiz: 83, 60, 74, 66, 87. What is their average mark?
  8. 8.The average of 9 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  9. 9.Aditya’s batting average after 12 innings is 50 runs. How many runs must Aditya score in the next innings to raise the average to 55?
  10. 10.A shop sells an average of 26 kg of sugar a day for 2 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.A shop sells an average of 58 kg of sugar a day for 3 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 38, 27, 23, 28. What is their average mark?
  13. 13.Marks of 6 friends in a quiz: 59, 57, 54, 39, 30, 31. What is their average mark?
  14. 14.The average weight of 5 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 6 friends in a quiz: 68, 78, 68, 79, 89, 98. What is their average mark?
  16. 16.Marks of 6 friends in a quiz: 46, 40, 42, 35, 25, 16. What is their average mark?
  17. 17.The average weight of 8 children is 33 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 4 friends in a quiz: 66, 82, 76, 84. What is their average mark?
  19. 19.The average of 4 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  20. 20.Marks of 6 friends in a quiz: 84, 86, 68, 87, 91, 40. What is their average mark?
  21. 21.Marks of 4 friends in a quiz: 76, 84, 86, 66. What is their average mark?
  22. 22.The average of 5 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  23. 23.Aditya’s batting average after 9 innings is 36 runs. How many runs must Aditya score in the next innings to raise the average to 39?
  24. 24.A shop sells an average of 25 kg of sugar a day for 6 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.A shop sells an average of 79 kg of sugar a day for 5 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  26. 26.A shop sells an average of 80 kg of sugar a day for 6 days, and then 71 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  27. 27.Rahul’s batting average after 12 innings is 27 runs. How many runs must Rahul score in the next innings to raise the average to 31?
  28. 28.Marks of 5 friends in a quiz: 40, 35, 22, 16, 17. What is their average mark?
  29. 29.Zoya’s batting average after 11 innings is 36 runs. How many runs must Zoya score in the next innings to raise the average to 40?
  30. 30.A shop sells an average of 67 kg of sugar a day for 4 days, and then 55 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.Zoya’s batting average after 6 innings is 30 runs. How many runs must Zoya score in the next innings to raise the average to 33?
  32. 32.A shop sells an average of 42 kg of sugar a day for 3 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.Tara’s batting average after 5 innings is 48 runs. How many runs must Tara score in the next innings to raise the average to 51?
  34. 34.Nisha’s batting average after 5 innings is 26 runs. How many runs must Nisha score in the next innings to raise the average to 30?
  35. 35.The average weight of 8 children is 38 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 5 friends in a quiz: 27, 41, 45, 36, 41. What is their average mark?
  37. 37.Tara’s batting average after 14 innings is 50 runs. How many runs must Tara score in the next innings to raise the average to 53?
  38. 38.Pooja’s batting average after 15 innings is 42 runs. How many runs must Pooja score in the next innings to raise the average to 44?
  39. 39.A shop sells an average of 44 kg of sugar a day for 2 days, and then 52 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.The average of 7 numbers is 42. When one more number is added, the average becomes 48. What number was added?

Answer key

  1. 64
  2. 70
  3. 84
  4. 43
  5. 44
  6. 63
  7. 74
  8. 59
  9. 115
  10. 56
  11. 69
  12. 29
  13. 45
  14. 31
  15. 80
  16. 34
  17. 30
  18. 77
  19. 23
  20. 76
  21. 78
  22. 53
  23. 66
  24. 26
  25. 61
  26. 77
  27. 79
  28. 26
  29. 84
  30. 61
  31. 51
  32. 53
  33. 66
  34. 50
  35. 36
  36. 38
  37. 95
  38. 74
  39. 50
  40. 90

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