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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 442 · 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: 94, 88, 71, 63. What is their average mark?
  2. 2.A shop sells an average of 34 kg of sugar a day for 4 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.The average weight of 10 children is 46 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Arjun’s batting average after 10 innings is 30 runs. How many runs must Arjun score in the next innings to raise the average to 31?
  5. 5.The average weight of 8 children is 44 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.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 33?
  7. 7.Aditya’s batting average after 13 innings is 48 runs. How many runs must Aditya score in the next innings to raise the average to 52?
  8. 8.The average of 4 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  9. 9.The average of 4 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  10. 10.A shop sells an average of 35 kg of sugar a day for 6 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  11. 11.The average of 4 numbers is 28. When one more number is added, the average becomes 31. What number was added?
  12. 12.Marks of 4 friends in a quiz: 97, 75, 94, 70. What is their average mark?
  13. 13.A shop sells an average of 43 kg of sugar a day for 4 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.The average weight of 6 children is 41 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 71 kg of sugar a day for 2 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.A shop sells an average of 80 kg of sugar a day for 2 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.A shop sells an average of 23 kg of sugar a day for 2 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.The average of 4 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  19. 19.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)?
  20. 20.A shop sells an average of 29 kg of sugar a day for 5 days, and then 35 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  21. 21.Marks of 4 friends in a quiz: 30, 39, 47, 12. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 42, 31, 25, 25, 46, 23. What is their average mark?
  23. 23.The average weight of 6 children is 48 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 6 numbers is 43. When one more number is added, the average becomes 44. What number was added?
  25. 25.The average weight of 10 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 4 friends in a quiz: 21, 37, 36, 34. What is their average mark?
  27. 27.Marks of 4 friends in a quiz: 50, 55, 50, 17. What is their average mark?
  28. 28.The average weight of 6 children is 35 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 37 kg of sugar a day for 3 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 62, 75, 78, 81, 79. What is their average mark?
  31. 31.Marks of 4 friends in a quiz: 20, 25, 33, 34. What is their average mark?
  32. 32.Manav’s batting average after 13 innings is 42 runs. How many runs must Manav score in the next innings to raise the average to 44?
  33. 33.Priya’s batting average after 8 innings is 26 runs. How many runs must Priya score in the next innings to raise the average to 30?
  34. 34.The average of 6 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  35. 35.The average weight of 8 children is 34 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 28 kg of sugar a day for 2 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.The average weight of 12 children is 40 kg. One child, who weighs 73 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 6 friends in a quiz: 91, 86, 82, 88, 82, 99. What is their average mark?
  39. 39.A shop sells an average of 32 kg of sugar a day for 4 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.The average of 8 numbers is 17. When one more number is added, the average becomes 21. What number was added?

Answer key

  1. 79
  2. 54
  3. 45
  4. 41
  5. 43
  6. 98
  7. 104
  8. 46
  9. 34
  10. 38
  11. 43
  12. 84
  13. 32
  14. 38
  15. 74
  16. 46
  17. 45
  18. 87
  19. 29
  20. 32
  21. 32
  22. 32
  23. 45
  24. 50
  25. 31
  26. 32
  27. 43
  28. 32
  29. 55
  30. 75
  31. 28
  32. 70
  33. 62
  34. 52
  35. 31
  36. 53
  37. 37
  38. 88
  39. 43
  40. 53

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