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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 676 · 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 7 numbers is 43. When one more number is added, the average becomes 44. What number was added?
  2. 2.The average of 8 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  3. 3.Marks of 5 friends in a quiz: 32, 53, 44, 29, 52. What is their average mark?
  4. 4.Ananya’s batting average after 6 innings is 21 runs. How many runs must Ananya score in the next innings to raise the average to 23?
  5. 5.Aditya’s batting average after 5 innings is 31 runs. How many runs must Aditya score in the next innings to raise the average to 36?
  6. 6.A shop sells an average of 49 kg of sugar a day for 2 days, and then 25 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  7. 7.The average weight of 12 children is 33 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Karan’s batting average after 5 innings is 47 runs. How many runs must Karan score in the next innings to raise the average to 52?
  9. 9.Marks of 4 friends in a quiz: 38, 34, 46, 70. What is their average mark?
  10. 10.Aditya’s batting average after 8 innings is 40 runs. How many runs must Aditya score in the next innings to raise the average to 42?
  11. 11.A shop sells an average of 57 kg of sugar a day for 3 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.Dev’s batting average after 8 innings is 32 runs. How many runs must Dev score in the next innings to raise the average to 35?
  13. 13.The average of 5 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  14. 14.The average of 8 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  15. 15.Marks of 6 friends in a quiz: 23, 14, 34, 13, 23, 19. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 18, 19, 16, 47. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 53, 55, 47, 5. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 39, 33, 41, 51. What is their average mark?
  19. 19.Marks of 4 friends in a quiz: 22, 49, 49, 16. What is their average mark?
  20. 20.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 10 children is 40 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Zoya’s batting average after 7 innings is 29 runs. How many runs must Zoya score in the next innings to raise the average to 32?
  23. 23.Ananya’s batting average after 10 innings is 35 runs. How many runs must Ananya score in the next innings to raise the average to 36?
  24. 24.Nisha’s batting average after 15 innings is 34 runs. How many runs must Nisha score in the next innings to raise the average to 35?
  25. 25.The average of 4 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  26. 26.The average of 6 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  27. 27.A shop sells an average of 76 kg of sugar a day for 5 days, and then 44 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  28. 28.A shop sells an average of 49 kg of sugar a day for 3 days, and then 63 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.Rahul’s batting average after 10 innings is 45 runs. How many runs must Rahul score in the next innings to raise the average to 49?
  30. 30.A shop sells an average of 20 kg of sugar a day for 3 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.The average of 5 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  32. 32.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 6 friends in a quiz: 47, 25, 25, 33, 40, 70. What is their average mark?
  34. 34.Marks of 6 friends in a quiz: 89, 98, 80, 86, 92, 83. What is their average mark?
  35. 35.A shop sells an average of 24 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.The average weight of 8 children is 37 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 5 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  38. 38.The average weight of 6 children is 37 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 8 numbers is 33. When one more number is added, the average becomes 38. What number was added?
  40. 40.Aditya’s batting average after 6 innings is 37 runs. How many runs must Aditya score in the next innings to raise the average to 40?

Answer key

  1. 51
  2. 103
  3. 42
  4. 35
  5. 61
  6. 33
  7. 31
  8. 77
  9. 47
  10. 58
  11. 55
  12. 59
  13. 36
  14. 42
  15. 21
  16. 25
  17. 40
  18. 41
  19. 34
  20. 26
  21. 37
  22. 53
  23. 46
  24. 50
  25. 47
  26. 62
  27. 60
  28. 56
  29. 89
  30. 39
  31. 70
  32. 30
  33. 40
  34. 88
  35. 51
  36. 36
  37. 39
  38. 36
  39. 78
  40. 58

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