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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 340 · 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 5 friends in a quiz: 59, 66, 80, 62, 88. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 51, 46, 56, 41, 58, 60. What is their average mark?
  3. 3.A shop sells an average of 55 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)?
  4. 4.Marks of 4 friends in a quiz: 36, 31, 37, 76. What is their average mark?
  5. 5.The average of 6 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  6. 6.Marks of 4 friends in a quiz: 97, 92, 100, 67. What is their average mark?
  7. 7.A shop sells an average of 47 kg of sugar a day for 6 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  8. 8.Marks of 5 friends in a quiz: 60, 84, 63, 70, 68. What is their average mark?
  9. 9.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)?
  10. 10.Arjun’s batting average after 7 innings is 35 runs. How many runs must Arjun score in the next innings to raise the average to 36?
  11. 11.A shop sells an average of 33 kg of sugar a day for 4 days, and then 38 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.Ishaan’s batting average after 12 innings is 41 runs. How many runs must Ishaan score in the next innings to raise the average to 46?
  13. 13.A shop sells an average of 28 kg of sugar a day for 6 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.Marks of 5 friends in a quiz: 80, 68, 69, 60, 53. What is their average mark?
  15. 15.The average weight of 9 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Tara’s batting average after 10 innings is 39 runs. How many runs must Tara score in the next innings to raise the average to 42?
  17. 17.Marks of 4 friends in a quiz: 42, 31, 40, 7. What is their average mark?
  18. 18.The average of 8 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  19. 19.Rohan’s batting average after 8 innings is 47 runs. How many runs must Rohan score in the next innings to raise the average to 52?
  20. 20.Marks of 6 friends in a quiz: 7, 27, 29, 7, 10, 40. What is their average mark?
  21. 21.The average weight of 6 children is 29 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Rohan’s batting average after 7 innings is 36 runs. How many runs must Rohan score in the next innings to raise the average to 40?
  23. 23.Marks of 4 friends in a quiz: 12, 32, 18, 38. What is their average mark?
  24. 24.The average of 6 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  25. 25.The average of 9 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  26. 26.A shop sells an average of 61 kg of sugar a day for 4 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.The average of 6 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  28. 28.Marks of 6 friends in a quiz: 61, 66, 87, 64, 72, 82. What is their average mark?
  29. 29.The average of 5 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  30. 30.Rohan’s batting average after 8 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 30?
  31. 31.Marks of 6 friends in a quiz: 17, 25, 9, 12, 29, 28. What is their average mark?
  32. 32.Priya’s batting average after 5 innings is 24 runs. How many runs must Priya score in the next innings to raise the average to 25?
  33. 33.A shop sells an average of 34 kg of sugar a day for 3 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  34. 34.The average weight of 10 children is 40 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 27 kg of sugar a day for 4 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.Marks of 6 friends in a quiz: 57, 50, 73, 49, 62, 63. What is their average mark?
  37. 37.The average weight of 5 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 41 kg of sugar a day for 2 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 62, 57, 58, 35, 23. What is their average mark?
  40. 40.The average of 9 numbers is 15. When one more number is added, the average becomes 17. What number was added?

Answer key

  1. 71
  2. 52
  3. 64
  4. 45
  5. 71
  6. 89
  7. 41
  8. 69
  9. 41
  10. 43
  11. 36
  12. 106
  13. 29
  14. 66
  15. 38
  16. 72
  17. 30
  18. 77
  19. 92
  20. 20
  21. 26
  22. 68
  23. 25
  24. 65
  25. 36
  26. 56
  27. 43
  28. 72
  29. 67
  30. 54
  31. 20
  32. 30
  33. 30
  34. 38
  35. 42
  36. 59
  37. 38
  38. 51
  39. 47
  40. 35

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