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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 521 · 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: 72, 78, 78, 57, 76, 23. What is their average mark?
  2. 2.The average of 4 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  3. 3.Marks of 4 friends in a quiz: 36, 47, 64, 57. What is their average mark?
  4. 4.The average of 5 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  5. 5.A shop sells an average of 61 kg of sugar a day for 3 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.Sneha’s batting average after 15 innings is 45 runs. How many runs must Sneha score in the next innings to raise the average to 50?
  7. 7.The average of 4 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  8. 8.The average weight of 12 children is 38 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 4 friends in a quiz: 37, 25, 34, 56. What is their average mark?
  10. 10.A shop sells an average of 25 kg of sugar a day for 3 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.Isha’s batting average after 10 innings is 41 runs. How many runs must Isha score in the next innings to raise the average to 46?
  12. 12.Marks of 6 friends in a quiz: 70, 60, 88, 86, 64, 76. What is their average mark?
  13. 13.A shop sells an average of 49 kg of sugar a day for 3 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  14. 14.Marks of 4 friends in a quiz: 11, 28, 21, 32. What is their average mark?
  15. 15.A shop sells an average of 50 kg of sugar a day for 3 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.A shop sells an average of 74 kg of sugar a day for 6 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.Marks of 6 friends in a quiz: 32, 22, 26, 16, 32, 52. What is their average mark?
  18. 18.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 6 friends in a quiz: 31, 40, 41, 27, 42, 59. What is their average mark?
  20. 20.A shop sells an average of 22 kg of sugar a day for 4 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  21. 21.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 4 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  23. 23.Marks of 5 friends in a quiz: 24, 43, 32, 27, 34. What is their average mark?
  24. 24.The average weight of 11 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 5 friends in a quiz: 61, 70, 60, 89, 95. What is their average mark?
  26. 26.Marks of 6 friends in a quiz: 58, 73, 55, 69, 58, 89. What is their average mark?
  27. 27.Marks of 4 friends in a quiz: 65, 63, 75, 77. What is their average mark?
  28. 28.The average weight of 5 children is 30 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Sneha’s batting average after 6 innings is 25 runs. How many runs must Sneha score in the next innings to raise the average to 29?
  30. 30.The average weight of 11 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.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)?
  32. 32.Marks of 4 friends in a quiz: 46, 37, 39, 42. What is their average mark?
  33. 33.Marks of 6 friends in a quiz: 49, 49, 44, 34, 51, 31. What is their average mark?
  34. 34.A shop sells an average of 22 kg of sugar a day for 5 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.Rohan’s batting average after 7 innings is 30 runs. How many runs must Rohan score in the next innings to raise the average to 31?
  36. 36.Arjun’s batting average after 5 innings is 27 runs. How many runs must Arjun score in the next innings to raise the average to 32?
  37. 37.A shop sells an average of 25 kg of sugar a day for 2 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  38. 38.Nisha’s batting average after 5 innings is 38 runs. How many runs must Nisha score in the next innings to raise the average to 41?
  39. 39.A shop sells an average of 46 kg of sugar a day for 6 days, and then 80 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  40. 40.Marks of 4 friends in a quiz: 33, 44, 44, 11. What is their average mark?

Answer key

  1. 64
  2. 59
  3. 51
  4. 75
  5. 41
  6. 125
  7. 52
  8. 36
  9. 38
  10. 34
  11. 96
  12. 74
  13. 47
  14. 23
  15. 55
  16. 61
  17. 30
  18. 28
  19. 40
  20. 46
  21. 32
  22. 33
  23. 32
  24. 32
  25. 75
  26. 67
  27. 70
  28. 29
  29. 53
  30. 33
  31. 35
  32. 41
  33. 43
  34. 40
  35. 38
  36. 57
  37. 37
  38. 56
  39. 63
  40. 33

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