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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 125 · 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 5 numbers is 60. When one more number is added, the average becomes 65. What number was added?
  2. 2.Marks of 5 friends in a quiz: 51, 41, 42, 63, 78. What is their average mark?
  3. 3.Aditya’s batting average after 12 innings is 22 runs. How many runs must Aditya score in the next innings to raise the average to 24?
  4. 4.A shop sells an average of 32 kg of sugar a day for 4 days, and then 78 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.Sneha’s batting average after 6 innings is 40 runs. How many runs must Sneha score in the next innings to raise the average to 45?
  6. 6.A shop sells an average of 27 kg of sugar a day for 5 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  7. 7.The average of 5 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  8. 8.The average of 7 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  9. 9.Tara’s batting average after 14 innings is 49 runs. How many runs must Tara score in the next innings to raise the average to 54?
  10. 10.Ananya’s batting average after 13 innings is 34 runs. How many runs must Ananya score in the next innings to raise the average to 38?
  11. 11.Marks of 6 friends in a quiz: 82, 92, 93, 78, 77, 58. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 26, 22, 26, 58. What is their average mark?
  13. 13.The average of 5 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  14. 14.The average of 4 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  15. 15.A shop sells an average of 60 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)?
  16. 16.The average weight of 8 children is 43 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 60 kg of sugar a day for 2 days, and then 57 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.Marks of 6 friends in a quiz: 47, 44, 50, 51, 68, 94. What is their average mark?
  19. 19.A shop sells an average of 23 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)?
  20. 20.Marks of 4 friends in a quiz: 35, 30, 28, 79. What is their average mark?
  21. 21.The average of 8 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  22. 22.Ananya’s batting average after 10 innings is 24 runs. How many runs must Ananya score in the next innings to raise the average to 25?
  23. 23.The average weight of 5 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Zoya’s batting average after 14 innings is 38 runs. How many runs must Zoya score in the next innings to raise the average to 39?
  25. 25.Marks of 5 friends in a quiz: 95, 70, 95, 79, 76. What is their average mark?
  26. 26.The average weight of 12 children is 47 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average of 8 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  28. 28.A shop sells an average of 78 kg of sugar a day for 4 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.A shop sells an average of 72 kg of sugar a day for 3 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  30. 30.The average of 5 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  31. 31.Marks of 5 friends in a quiz: 23, 27, 32, 30, 58. What is their average mark?
  32. 32.Kabir’s batting average after 8 innings is 40 runs. How many runs must Kabir score in the next innings to raise the average to 41?
  33. 33.The average of 4 numbers is 43. When one more number is added, the average becomes 48. What number was added?
  34. 34.The average weight of 8 children is 38 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average weight of 9 children is 34 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 69 kg of sugar a day for 3 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.Marks of 4 friends in a quiz: 80, 94, 69, 85. What is their average mark?
  38. 38.A shop sells an average of 25 kg of sugar a day for 3 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  39. 39.The average weight of 5 children is 46 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 39 kg of sugar a day for 2 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?

Answer key

  1. 90
  2. 55
  3. 48
  4. 55
  5. 75
  6. 40
  7. 72
  8. 50
  9. 124
  10. 90
  11. 80
  12. 33
  13. 94
  14. 73
  15. 48
  16. 41
  17. 58
  18. 59
  19. 30
  20. 43
  21. 43
  22. 35
  23. 42
  24. 53
  25. 83
  26. 45
  27. 79
  28. 69
  29. 48
  30. 28
  31. 34
  32. 49
  33. 68
  34. 35
  35. 33
  36. 52
  37. 82
  38. 27
  39. 44
  40. 33

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