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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 336 · 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: 41, 32, 35, 32, 22, 42. What is their average mark?
  2. 2.The average of 8 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  3. 3.A shop sells an average of 71 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)?
  4. 4.Marks of 6 friends in a quiz: 56, 39, 44, 39, 40, 46. What is their average mark?
  5. 5.A shop sells an average of 38 kg of sugar a day for 2 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  6. 6.Marks of 4 friends in a quiz: 65, 72, 60, 83. What is their average mark?
  7. 7.The average of 7 numbers is 31. When one more number is added, the average becomes 35. What number was added?
  8. 8.The average weight of 11 children is 28 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Kavya’s batting average after 6 innings is 26 runs. How many runs must Kavya score in the next innings to raise the average to 31?
  10. 10.Marks of 4 friends in a quiz: 82, 77, 85, 92. What is their average mark?
  11. 11.Marks of 4 friends in a quiz: 104, 98, 76, 82. What is their average mark?
  12. 12.The average of 8 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  13. 13.Marks of 6 friends in a quiz: 28, 27, 41, 30, 31, 95. What is their average mark?
  14. 14.Nisha’s batting average after 12 innings is 30 runs. How many runs must Nisha score in the next innings to raise the average to 32?
  15. 15.A shop sells an average of 22 kg of sugar a day for 6 days, and then 76 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  16. 16.Dev’s batting average after 12 innings is 42 runs. How many runs must Dev score in the next innings to raise the average to 44?
  17. 17.The average of 9 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  18. 18.The average weight of 10 children is 26 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 6 numbers is 55. When one more number is added, the average becomes 56. What number was added?
  20. 20.The average of 4 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  21. 21.The average of 5 numbers is 15. When one more number is added, the average becomes 18. What number was added?
  22. 22.Marks of 5 friends in a quiz: 101, 93, 101, 92, 63. What is their average mark?
  23. 23.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 8 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  25. 25.The average of 9 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  26. 26.Manav’s batting average after 9 innings is 44 runs. How many runs must Manav score in the next innings to raise the average to 45?
  27. 27.The average weight of 11 children is 31 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Zoya’s batting average after 10 innings is 32 runs. How many runs must Zoya score in the next innings to raise the average to 35?
  29. 29.The average weight of 7 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 4 friends in a quiz: 96, 71, 86, 79. What is their average mark?
  31. 31.Nisha’s batting average after 6 innings is 32 runs. How many runs must Nisha score in the next innings to raise the average to 36?
  32. 32.Rohan’s batting average after 11 innings is 28 runs. How many runs must Rohan score in the next innings to raise the average to 30?
  33. 33.Tara’s batting average after 8 innings is 43 runs. How many runs must Tara score in the next innings to raise the average to 45?
  34. 34.The average of 5 numbers is 43. When one more number is added, the average becomes 46. What number was added?
  35. 35.The average of 6 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  36. 36.A shop sells an average of 21 kg of sugar a day for 3 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  37. 37.The average weight of 5 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 6 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  39. 39.Marks of 6 friends in a quiz: 69, 49, 61, 75, 64, 48. What is their average mark?
  40. 40.The average weight of 10 children is 34 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 34
  2. 105
  3. 65
  4. 44
  5. 46
  6. 70
  7. 63
  8. 25
  9. 61
  10. 84
  11. 90
  12. 72
  13. 42
  14. 56
  15. 49
  16. 68
  17. 117
  18. 25
  19. 62
  20. 29
  21. 33
  22. 90
  23. 30
  24. 41
  25. 68
  26. 54
  27. 29
  28. 65
  29. 36
  30. 83
  31. 60
  32. 52
  33. 61
  34. 61
  35. 39
  36. 29
  37. 26
  38. 46
  39. 61
  40. 31

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