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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 434 · 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: 9, 19, 30, 27, 30. What is their average mark?
  2. 2.The average of 7 numbers is 41. When one more number is added, the average becomes 42. What number was added?
  3. 3.The average weight of 8 children is 39 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 4 friends in a quiz: 39, 57, 54, 54. What is their average mark?
  5. 5.The average of 8 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  6. 6.The average weight of 7 children is 32 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 11 children is 33 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average of 9 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  9. 9.Marks of 5 friends in a quiz: 37, 34, 21, 38, 35. What is their average mark?
  10. 10.Manav’s batting average after 5 innings is 36 runs. How many runs must Manav score in the next innings to raise the average to 37?
  11. 11.A shop sells an average of 55 kg of sugar a day for 2 days, and then 79 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  12. 12.The average of 4 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  13. 13.Aarav’s batting average after 11 innings is 29 runs. How many runs must Aarav score in the next innings to raise the average to 34?
  14. 14.The average of 4 numbers is 29. When one more number is added, the average becomes 34. What number was added?
  15. 15.A shop sells an average of 41 kg of sugar a day for 4 days, and then 55 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  16. 16.Zoya’s batting average after 12 innings is 34 runs. How many runs must Zoya score in the next innings to raise the average to 39?
  17. 17.Rohan’s batting average after 15 innings is 34 runs. How many runs must Rohan score in the next innings to raise the average to 39?
  18. 18.The average weight of 11 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 5 friends in a quiz: 75, 65, 81, 81, 63. What is their average mark?
  20. 20.Karan’s batting average after 10 innings is 25 runs. How many runs must Karan score in the next innings to raise the average to 30?
  21. 21.Kavya’s batting average after 13 innings is 35 runs. How many runs must Kavya score in the next innings to raise the average to 39?
  22. 22.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 4 friends in a quiz: 10, 33, 28, 17. What is their average mark?
  24. 24.Marks of 5 friends in a quiz: 73, 49, 58, 54, 86. What is their average mark?
  25. 25.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)?
  26. 26.Marks of 4 friends in a quiz: 57, 44, 52, 47. What is their average mark?
  27. 27.The average of 5 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  28. 28.Marks of 6 friends in a quiz: 85, 92, 96, 86, 82, 75. What is their average mark?
  29. 29.Marks of 6 friends in a quiz: 60, 81, 67, 82, 72, 58. What is their average mark?
  30. 30.The average weight of 8 children is 30 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 12 children is 44 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Ananya’s batting average after 5 innings is 31 runs. How many runs must Ananya score in the next innings to raise the average to 32?
  33. 33.Kabir’s batting average after 5 innings is 43 runs. How many runs must Kabir score in the next innings to raise the average to 46?
  34. 34.The average of 5 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  35. 35.The average weight of 11 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 4 friends in a quiz: 56, 57, 38, 29. What is their average mark?
  37. 37.Saanvi’s batting average after 5 innings is 20 runs. How many runs must Saanvi score in the next innings to raise the average to 22?
  38. 38.The average weight of 9 children is 32 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 8 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  40. 40.Marks of 4 friends in a quiz: 45, 20, 25, 34. What is their average mark?

Answer key

  1. 23
  2. 49
  3. 36
  4. 51
  5. 85
  6. 31
  7. 30
  8. 62
  9. 33
  10. 42
  11. 73
  12. 49
  13. 89
  14. 54
  15. 47
  16. 99
  17. 114
  18. 39
  19. 73
  20. 80
  21. 91
  22. 37
  23. 22
  24. 64
  25. 42
  26. 50
  27. 51
  28. 86
  29. 70
  30. 29
  31. 42
  32. 37
  33. 61
  34. 53
  35. 26
  36. 45
  37. 32
  38. 29
  39. 51
  40. 31

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