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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 105 · 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 8 children is 29 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Rahul’s batting average after 7 innings is 43 runs. How many runs must Rahul score in the next innings to raise the average to 46?
  3. 3.Isha’s batting average after 8 innings is 41 runs. How many runs must Isha score in the next innings to raise the average to 46?
  4. 4.Aditya’s batting average after 5 innings is 46 runs. How many runs must Aditya score in the next innings to raise the average to 47?
  5. 5.Vivaan’s batting average after 14 innings is 48 runs. How many runs must Vivaan score in the next innings to raise the average to 53?
  6. 6.The average weight of 11 children is 32 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 70 kg of sugar a day for 6 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.The average of 6 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  9. 9.Tara’s batting average after 6 innings is 40 runs. How many runs must Tara score in the next innings to raise the average to 43?
  10. 10.The average of 7 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  11. 11.A shop sells an average of 29 kg of sugar a day for 6 days, and then 74 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.Marks of 5 friends in a quiz: 30, 41, 37, 28, 74. What is their average mark?
  13. 13.Priya’s batting average after 14 innings is 40 runs. How many runs must Priya score in the next innings to raise the average to 41?
  14. 14.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 5 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  16. 16.A shop sells an average of 71 kg of sugar a day for 6 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  17. 17.Marks of 4 friends in a quiz: 41, 33, 28, 62. What is their average mark?
  18. 18.The average weight of 7 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 33 kg of sugar a day for 2 days, and then 63 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.Arjun’s batting average after 12 innings is 35 runs. How many runs must Arjun score in the next innings to raise the average to 40?
  21. 21.A shop sells an average of 38 kg of sugar a day for 6 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  22. 22.The average of 5 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  23. 23.The average of 7 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  24. 24.Marks of 6 friends in a quiz: 31, 20, 30, 22, 33, 38. What is their average mark?
  25. 25.The average weight of 10 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 60 kg of sugar a day for 6 days, and then 42 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  27. 27.A shop sells an average of 34 kg of sugar a day for 4 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  28. 28.A shop sells an average of 21 kg of sugar a day for 3 days, and then 77 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  29. 29.A shop sells an average of 68 kg of sugar a day for 3 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.Meera’s batting average after 7 innings is 46 runs. How many runs must Meera score in the next innings to raise the average to 49?
  31. 31.The average of 5 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  32. 32.The average of 9 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  33. 33.Marks of 5 friends in a quiz: 34, 30, 17, 31, 33. What is their average mark?
  34. 34.Marks of 4 friends in a quiz: 83, 82, 74, 65. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 38, 18, 19, 33, 42, 42. What is their average mark?
  36. 36.The average weight of 5 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 61 kg of sugar a day for 2 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  38. 38.Diya’s batting average after 11 innings is 20 runs. How many runs must Diya score in the next innings to raise the average to 24?
  39. 39.Marks of 4 friends in a quiz: 8, 27, 12, 33. What is their average mark?
  40. 40.The average of 4 numbers is 31. When one more number is added, the average becomes 32. What number was added?

Answer key

  1. 28
  2. 67
  3. 86
  4. 52
  5. 123
  6. 30
  7. 65
  8. 39
  9. 61
  10. 75
  11. 44
  12. 42
  13. 55
  14. 39
  15. 85
  16. 55
  17. 41
  18. 41
  19. 51
  20. 100
  21. 42
  22. 67
  23. 66
  24. 29
  25. 32
  26. 51
  27. 58
  28. 53
  29. 59
  30. 70
  31. 75
  32. 65
  33. 29
  34. 76
  35. 32
  36. 26
  37. 53
  38. 68
  39. 20
  40. 36

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