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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 151 · 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.Marks of 4 friends in a quiz: 49, 53, 43, 39. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 39, 34, 10, 25, 10, 32. What is their average mark?
  3. 3.Marks of 6 friends in a quiz: 24, 16, 42, 20, 20, 52. What is their average mark?
  4. 4.Marks of 6 friends in a quiz: 94, 86, 95, 87, 87, 55. What is their average mark?
  5. 5.The average of 5 numbers is 38. When one more number is added, the average becomes 42. What number was added?
  6. 6.Priya’s batting average after 10 innings is 40 runs. How many runs must Priya score in the next innings to raise the average to 44?
  7. 7.Marks of 4 friends in a quiz: 49, 56, 72, 63. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 76, 94, 79, 75, 76. What is their average mark?
  9. 9.The average weight of 6 children is 30 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 5 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  12. 12.Pooja’s batting average after 11 innings is 48 runs. How many runs must Pooja score in the next innings to raise the average to 53?
  13. 13.A shop sells an average of 32 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)?
  14. 14.A shop sells an average of 29 kg of sugar a day for 4 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  15. 15.The average of 4 numbers is 24. When one more number is added, the average becomes 30. What number was added?
  16. 16.Vivaan’s batting average after 6 innings is 50 runs. How many runs must Vivaan score in the next innings to raise the average to 55?
  17. 17.A shop sells an average of 44 kg of sugar a day for 2 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.Marks of 6 friends in a quiz: 65, 76, 82, 91, 80, 80. What is their average mark?
  19. 19.A shop sells an average of 74 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)?
  20. 20.A shop sells an average of 54 kg of sugar a day for 5 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  21. 21.Arjun’s batting average after 6 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 26?
  22. 22.The average of 8 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  23. 23.The average of 4 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  24. 24.The average of 4 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  25. 25.Pooja’s batting average after 15 innings is 20 runs. How many runs must Pooja score in the next innings to raise the average to 22?
  26. 26.Karan’s batting average after 15 innings is 25 runs. How many runs must Karan score in the next innings to raise the average to 29?
  27. 27.Marks of 4 friends in a quiz: 62, 64, 81, 77. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 29, 33, 32, 62. What is their average mark?
  29. 29.The average weight of 6 children is 42 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Dev’s batting average after 13 innings is 23 runs. How many runs must Dev score in the next innings to raise the average to 26?
  31. 31.A shop sells an average of 78 kg of sugar a day for 6 days, and then 72 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  32. 32.Aarav’s batting average after 12 innings is 45 runs. How many runs must Aarav score in the next innings to raise the average to 48?
  33. 33.The average weight of 5 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 9 children is 34 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 35 kg of sugar a day for 3 days, and then 57 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 of 7 numbers is 50. When one more number is added, the average becomes 56. What number was added?
  37. 37.Marks of 6 friends in a quiz: 40, 42, 39, 39, 55, 79. What is their average mark?
  38. 38.The average weight of 8 children is 37 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Aarav’s batting average after 11 innings is 21 runs. How many runs must Aarav score in the next innings to raise the average to 25?
  40. 40.A shop sells an average of 43 kg of sugar a day for 6 days, and then 51 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?

Answer key

  1. 46
  2. 25
  3. 29
  4. 84
  5. 62
  6. 84
  7. 60
  8. 80
  9. 27
  10. 29
  11. 37
  12. 108
  13. 26
  14. 56
  15. 54
  16. 85
  17. 43
  18. 79
  19. 47
  20. 48
  21. 38
  22. 57
  23. 55
  24. 44
  25. 52
  26. 89
  27. 71
  28. 39
  29. 39
  30. 65
  31. 76
  32. 84
  33. 38
  34. 32
  35. 46
  36. 98
  37. 49
  38. 35
  39. 69
  40. 47

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