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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 420 · 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.The average weight of 9 children is 36 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Vivaan’s batting average after 8 innings is 46 runs. How many runs must Vivaan score in the next innings to raise the average to 51?
  3. 3.The average of 8 numbers is 54. When one more number is added, the average becomes 57. What number was added?
  4. 4.A shop sells an average of 37 kg of sugar a day for 3 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.Zoya’s batting average after 10 innings is 38 runs. How many runs must Zoya score in the next innings to raise the average to 41?
  6. 6.Marks of 4 friends in a quiz: 70, 78, 91, 65. What is their average mark?
  7. 7.The average weight of 11 children is 35 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.A shop sells an average of 25 kg of sugar a day for 4 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.The average weight of 8 children is 31 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 5 friends in a quiz: 32, 15, 13, 22, 58. What is their average mark?
  11. 11.Marks of 6 friends in a quiz: 39, 39, 51, 43, 43, 55. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 43, 39, 33, 5. What is their average mark?
  13. 13.A shop sells an average of 61 kg of sugar a day for 4 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  14. 14.A shop sells an average of 25 kg of sugar a day for 4 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.A shop sells an average of 31 kg of sugar a day for 5 days, and then 79 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  16. 16.A shop sells an average of 31 kg of sugar a day for 2 days, and then 61 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.A shop sells an average of 67 kg of sugar a day for 2 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.The average of 4 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  19. 19.Kabir’s batting average after 13 innings is 43 runs. How many runs must Kabir score in the next innings to raise the average to 46?
  20. 20.Karan’s batting average after 5 innings is 31 runs. How many runs must Karan score in the next innings to raise the average to 34?
  21. 21.A shop sells an average of 68 kg of sugar a day for 2 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  22. 22.The average of 6 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  23. 23.Marks of 4 friends in a quiz: 34, 34, 40, 28. What is their average mark?
  24. 24.Priya’s batting average after 11 innings is 39 runs. How many runs must Priya score in the next innings to raise the average to 42?
  25. 25.The average weight of 6 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.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)?
  27. 27.Marks of 6 friends in a quiz: 70, 69, 82, 81, 78, 76. What is their average mark?
  28. 28.The average of 4 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  29. 29.Marks of 5 friends in a quiz: 80, 100, 91, 100, 54. What is their average mark?
  30. 30.A shop sells an average of 74 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)?
  31. 31.The average weight of 11 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 6 friends in a quiz: 71, 61, 86, 75, 74, 77. What is their average mark?
  33. 33.A shop sells an average of 33 kg of sugar a day for 6 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  34. 34.Marks of 4 friends in a quiz: 18, 19, 31, 52. What is their average mark?
  35. 35.A shop sells an average of 40 kg of sugar a day for 4 days, and then 24 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.A shop sells an average of 56 kg of sugar a day for 4 days, and then 77 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  37. 37.A shop sells an average of 52 kg of sugar a day for 6 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  38. 38.Tara’s batting average after 11 innings is 38 runs. How many runs must Tara score in the next innings to raise the average to 39?
  39. 39.Vivaan’s batting average after 14 innings is 45 runs. How many runs must Vivaan score in the next innings to raise the average to 46?
  40. 40.The average weight of 5 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 34
  2. 91
  3. 81
  4. 34
  5. 71
  6. 76
  7. 32
  8. 33
  9. 28
  10. 28
  11. 45
  12. 30
  13. 63
  14. 39
  15. 55
  16. 51
  17. 54
  18. 82
  19. 85
  20. 49
  21. 59
  22. 72
  23. 34
  24. 75
  25. 29
  26. 34
  27. 76
  28. 73
  29. 85
  30. 56
  31. 31
  32. 74
  33. 52
  34. 30
  35. 32
  36. 65
  37. 44
  38. 50
  39. 60
  40. 36

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