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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 602 · 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.A shop sells an average of 22 kg of sugar a day for 2 days, and then 64 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  2. 2.Isha’s batting average after 12 innings is 35 runs. How many runs must Isha score in the next innings to raise the average to 37?
  3. 3.Kavya’s batting average after 9 innings is 45 runs. How many runs must Kavya score in the next innings to raise the average to 49?
  4. 4.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 5 friends in a quiz: 22, 22, 29, 39, 63. What is their average mark?
  6. 6.Marks of 4 friends in a quiz: 28, 41, 41, 46. What is their average mark?
  7. 7.The average weight of 9 children is 29 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 8 children is 45 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 8 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  10. 10.A shop sells an average of 23 kg of sugar a day for 6 days, and then 71 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  11. 11.The average weight of 6 children is 42 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 4 friends in a quiz: 40, 45, 67, 68. What is their average mark?
  13. 13.Marks of 4 friends in a quiz: 84, 57, 70, 77. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 55, 56, 73, 84. What is their average mark?
  15. 15.The average weight of 6 children is 38 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 58 kg of sugar a day for 6 days, and then 46 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: 57, 67, 54, 76, 70, 84. What is their average mark?
  18. 18.The average weight of 7 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 68 kg of sugar a day for 3 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  20. 20.Kabir’s batting average after 8 innings is 28 runs. How many runs must Kabir score in the next innings to raise the average to 29?
  21. 21.The average of 5 numbers is 24. When one more number is added, the average becomes 30. What number was added?
  22. 22.A shop sells an average of 52 kg of sugar a day for 4 days, and then 43 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.Ananya’s batting average after 8 innings is 49 runs. How many runs must Ananya score in the next innings to raise the average to 51?
  24. 24.The average weight of 7 children is 27 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Rohan’s batting average after 6 innings is 29 runs. How many runs must Rohan score in the next innings to raise the average to 34?
  26. 26.Aditya’s batting average after 11 innings is 27 runs. How many runs must Aditya score in the next innings to raise the average to 28?
  27. 27.The average of 6 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  28. 28.A shop sells an average of 28 kg of sugar a day for 5 days, and then 62 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  29. 29.A shop sells an average of 73 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)?
  30. 30.Marks of 6 friends in a quiz: 12, 21, 10, 11, 16, 56. What is their average mark?
  31. 31.Aditya’s batting average after 8 innings is 24 runs. How many runs must Aditya score in the next innings to raise the average to 29?
  32. 32.The average of 4 numbers is 46. When one more number is added, the average becomes 47. What number was added?
  33. 33.The average of 7 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  34. 34.The average weight of 9 children is 48 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 4 friends in a quiz: 59, 44, 52, 77. What is their average mark?
  36. 36.The average of 8 numbers is 46. When one more number is added, the average becomes 47. What number was added?
  37. 37.Marks of 4 friends in a quiz: 46, 48, 36, 66. What is their average mark?
  38. 38.Marks of 4 friends in a quiz: 35, 46, 45, 58. What is their average mark?
  39. 39.Marks of 6 friends in a quiz: 53, 80, 53, 78, 77, 55. What is their average mark?
  40. 40.The average of 6 numbers is 57. When one more number is added, the average becomes 59. What number was added?

Answer key

  1. 52
  2. 61
  3. 85
  4. 44
  5. 35
  6. 39
  7. 26
  8. 43
  9. 61
  10. 39
  11. 41
  12. 55
  13. 72
  14. 67
  15. 35
  16. 54
  17. 68
  18. 43
  19. 48
  20. 37
  21. 60
  22. 47
  23. 67
  24. 26
  25. 64
  26. 39
  27. 43
  28. 45
  29. 47
  30. 21
  31. 69
  32. 51
  33. 38
  34. 45
  35. 58
  36. 55
  37. 49
  38. 46
  39. 66
  40. 71

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