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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 701 · 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: 53, 69, 73, 53, 77. What is their average mark?
  2. 2.The average of 7 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  3. 3.The average weight of 10 children is 45 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Aditya’s batting average after 6 innings is 35 runs. How many runs must Aditya score in the next innings to raise the average to 38?
  5. 5.The average weight of 11 children is 40 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 8 children is 36 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 80 kg of sugar a day for 3 days, and then 48 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  8. 8.The average of 5 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  9. 9.A shop sells an average of 30 kg of sugar a day for 6 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  10. 10.The average of 6 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  11. 11.The average weight of 6 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average weight of 5 children is 35 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average weight of 9 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Kabir’s batting average after 9 innings is 22 runs. How many runs must Kabir score in the next innings to raise the average to 26?
  15. 15.A shop sells an average of 37 kg of sugar a day for 6 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  16. 16.A shop sells an average of 76 kg of sugar a day for 4 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  17. 17.The average of 5 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  18. 18.The average of 6 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  19. 19.Sneha’s batting average after 6 innings is 21 runs. How many runs must Sneha score in the next innings to raise the average to 23?
  20. 20.The average weight of 12 children is 27 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 10 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 9 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  24. 24.Marks of 5 friends in a quiz: 63, 63, 54, 55, 60. What is their average mark?
  25. 25.The average of 8 numbers is 44. When one more number is added, the average becomes 48. What number was added?
  26. 26.A shop sells an average of 73 kg of sugar a day for 2 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  27. 27.The average weight of 11 children is 29 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 5 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  29. 29.A shop sells an average of 28 kg of sugar a day for 5 days, and then 64 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  30. 30.The average weight of 5 children is 34 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.A shop sells an average of 72 kg of sugar a day for 4 days, and then 27 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  32. 32.Marks of 6 friends in a quiz: 38, 19, 31, 12, 38, 24. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 18, 12, 23, 39. What is their average mark?
  34. 34.The average weight of 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 4 friends in a quiz: 83, 82, 69, 46. What is their average mark?
  36. 36.Marks of 6 friends in a quiz: 68, 70, 70, 60, 60, 56. What is their average mark?
  37. 37.The average of 4 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  38. 38.Marks of 5 friends in a quiz: 27, 18, 25, 31, 29. What is their average mark?
  39. 39.A shop sells an average of 36 kg of sugar a day for 3 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.A shop sells an average of 24 kg of sugar a day for 6 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?

Answer key

  1. 65
  2. 65
  3. 44
  4. 56
  5. 37
  6. 33
  7. 64
  8. 50
  9. 32
  10. 101
  11. 36
  12. 34
  13. 30
  14. 62
  15. 34
  16. 54
  17. 78
  18. 72
  19. 35
  20. 25
  21. 28
  22. 26
  23. 69
  24. 59
  25. 80
  26. 61
  27. 26
  28. 63
  29. 46
  30. 33
  31. 45
  32. 27
  33. 23
  34. 39
  35. 70
  36. 64
  37. 22
  38. 26
  39. 60
  40. 26

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