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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 354 · 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 6 friends in a quiz: 36, 29, 47, 48, 57, 47. What is their average mark?
  2. 2.A shop sells an average of 26 kg of sugar a day for 6 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 5 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  5. 5.A shop sells an average of 59 kg of sugar a day for 2 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  6. 6.A shop sells an average of 53 kg of sugar a day for 5 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  7. 7.Marks of 4 friends in a quiz: 25, 53, 36, 38. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 31, 26, 37, 31, 80. What is their average mark?
  9. 9.A shop sells an average of 53 kg of sugar a day for 4 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.The average of 9 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  11. 11.The average of 7 numbers is 54. When one more number is added, the average becomes 60. What number was added?
  12. 12.The average of 4 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  13. 13.The average of 8 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  14. 14.The average of 9 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  15. 15.The average of 6 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  16. 16.The average of 5 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  17. 17.A shop sells an average of 44 kg of sugar a day for 4 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.Dev’s batting average after 8 innings is 23 runs. How many runs must Dev score in the next innings to raise the average to 25?
  19. 19.Diya’s batting average after 15 innings is 38 runs. How many runs must Diya score in the next innings to raise the average to 39?
  20. 20.Marks of 5 friends in a quiz: 35, 28, 46, 27, 24. What is their average mark?
  21. 21.A shop sells an average of 21 kg of sugar a day for 5 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.A shop sells an average of 40 kg of sugar a day for 3 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.The average of 5 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  24. 24.The average weight of 9 children is 36 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Rahul’s batting average after 10 innings is 39 runs. How many runs must Rahul score in the next innings to raise the average to 40?
  26. 26.A shop sells an average of 53 kg of sugar a day for 6 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.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)?
  28. 28.The average of 4 numbers is 26. When one more number is added, the average becomes 29. What number was added?
  29. 29.Vivaan’s batting average after 6 innings is 49 runs. How many runs must Vivaan score in the next innings to raise the average to 52?
  30. 30.A shop sells an average of 38 kg of sugar a day for 5 days, and then 56 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  31. 31.The average weight of 9 children is 39 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 12 children is 33 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 55 kg of sugar a day for 6 days, and then 25 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  34. 34.A shop sells an average of 24 kg of sugar a day for 3 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average of 8 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  36. 36.The average of 8 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  37. 37.The average of 5 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  38. 38.The average weight of 10 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 61 kg of sugar a day for 2 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  40. 40.The average of 7 numbers is 21. When one more number is added, the average becomes 24. What number was added?

Answer key

  1. 44
  2. 33
  3. 36
  4. 51
  5. 55
  6. 57
  7. 38
  8. 41
  9. 63
  10. 69
  11. 102
  12. 38
  13. 70
  14. 33
  15. 57
  16. 34
  17. 45
  18. 41
  19. 54
  20. 32
  21. 24
  22. 36
  23. 70
  24. 33
  25. 50
  26. 49
  27. 30
  28. 41
  29. 70
  30. 47
  31. 36
  32. 30
  33. 45
  34. 37
  35. 85
  36. 60
  37. 41
  38. 30
  39. 60
  40. 45

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