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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 415 · 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 10 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 5 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  3. 3.Nisha’s batting average after 11 innings is 36 runs. How many runs must Nisha score in the next innings to raise the average to 40?
  4. 4.Marks of 6 friends in a quiz: 31, 39, 44, 33, 18, 15. What is their average mark?
  5. 5.The average weight of 8 children is 27 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 26 kg of sugar a day for 2 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  7. 7.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)?
  8. 8.A shop sells an average of 69 kg of sugar a day for 4 days, and then 64 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  9. 9.Meera’s batting average after 13 innings is 30 runs. How many runs must Meera score in the next innings to raise the average to 35?
  10. 10.A shop sells an average of 51 kg of sugar a day for 6 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  11. 11.Marks of 5 friends in a quiz: 44, 24, 31, 23, 23. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 28, 56, 29, 51. What is their average mark?
  13. 13.Marks of 4 friends in a quiz: 41, 50, 38, 43. What is their average mark?
  14. 14.The average weight of 6 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Dev’s batting average after 7 innings is 21 runs. How many runs must Dev score in the next innings to raise the average to 24?
  16. 16.Marks of 4 friends in a quiz: 37, 31, 54, 50. What is their average mark?
  17. 17.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)?
  18. 18.Marks of 5 friends in a quiz: 75, 68, 75, 51, 41. What is their average mark?
  19. 19.A shop sells an average of 67 kg of sugar a day for 2 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 88, 85, 85, 42. What is their average mark?
  21. 21.The average of 6 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  22. 22.A shop sells an average of 49 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)?
  23. 23.Marks of 4 friends in a quiz: 71, 80, 68, 85. What is their average mark?
  24. 24.The average of 4 numbers is 28. When one more number is added, the average becomes 31. What number was added?
  25. 25.The average of 6 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  26. 26.The average of 4 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  27. 27.Priya’s batting average after 6 innings is 40 runs. How many runs must Priya score in the next innings to raise the average to 44?
  28. 28.Marks of 4 friends in a quiz: 10, 30, 11, 37. What is their average mark?
  29. 29.A shop sells an average of 44 kg of sugar a day for 3 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.The average of 5 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  31. 31.Marks of 5 friends in a quiz: 18, 34, 8, 29, 16. What is their average mark?
  32. 32.A shop sells an average of 61 kg of sugar a day for 2 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  33. 33.The average weight of 6 children is 33 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 5 children is 38 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 6 friends in a quiz: 20, 25, 18, 48, 34, 53. What is their average mark?
  36. 36.Vivaan’s batting average after 12 innings is 33 runs. How many runs must Vivaan score in the next innings to raise the average to 37?
  37. 37.Marks of 4 friends in a quiz: 68, 48, 52, 72. What is their average mark?
  38. 38.The average weight of 12 children is 37 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 35 kg of sugar a day for 6 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.The average weight of 12 children is 37 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 33
  2. 66
  3. 84
  4. 30
  5. 25
  6. 48
  7. 45
  8. 66
  9. 100
  10. 46
  11. 29
  12. 41
  13. 43
  14. 42
  15. 45
  16. 43
  17. 30
  18. 62
  19. 43
  20. 75
  21. 43
  22. 40
  23. 76
  24. 43
  25. 46
  26. 25
  27. 68
  28. 22
  29. 54
  30. 58
  31. 21
  32. 58
  33. 30
  34. 35
  35. 33
  36. 85
  37. 60
  38. 36
  39. 46
  40. 34

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