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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 70 · 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 45 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 60 kg of sugar a day for 3 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  3. 3.The average weight of 11 children is 46 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 4 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  5. 5.The average of 7 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  6. 6.The average weight of 10 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 48 kg of sugar a day for 2 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  8. 8.Ishaan’s batting average after 9 innings is 27 runs. How many runs must Ishaan score in the next innings to raise the average to 31?
  9. 9.The average of 8 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  10. 10.Marks of 5 friends in a quiz: 20, 26, 24, 33, 57. What is their average mark?
  11. 11.Marks of 4 friends in a quiz: 60, 60, 78, 98. What is their average mark?
  12. 12.The average of 8 numbers is 53. When one more number is added, the average becomes 58. What number was added?
  13. 13.The average weight of 8 children is 29 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 6 friends in a quiz: 46, 63, 37, 34, 48, 60. What is their average mark?
  15. 15.The average of 9 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  16. 16.Isha’s batting average after 12 innings is 21 runs. How many runs must Isha score in the next innings to raise the average to 26?
  17. 17.A shop sells an average of 50 kg of sugar a day for 3 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  18. 18.Arjun’s batting average after 11 innings is 22 runs. How many runs must Arjun score in the next innings to raise the average to 24?
  19. 19.A shop sells an average of 22 kg of sugar a day for 2 days, and then 36 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  20. 20.Marks of 5 friends in a quiz: 58, 43, 50, 60, 19. What is their average mark?
  21. 21.Marks of 6 friends in a quiz: 51, 47, 48, 46, 49, 71. What is their average mark?
  22. 22.A shop sells an average of 43 kg of sugar a day for 6 days, and then 61 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.The average of 4 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  24. 24.The average of 7 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  25. 25.Rahul’s batting average after 11 innings is 26 runs. How many runs must Rahul score in the next innings to raise the average to 28?
  26. 26.A shop sells an average of 46 kg of sugar a day for 2 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  27. 27.Marks of 4 friends in a quiz: 56, 47, 67, 54. What is their average mark?
  28. 28.Isha’s batting average after 12 innings is 27 runs. How many runs must Isha score in the next innings to raise the average to 29?
  29. 29.The average weight of 12 children is 29 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.A shop sells an average of 47 kg of sugar a day for 4 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.The average of 5 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  32. 32.The average of 4 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  33. 33.Marks of 5 friends in a quiz: 18, 38, 12, 26, 36. What is their average mark?
  34. 34.A shop sells an average of 58 kg of sugar a day for 6 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.The average weight of 11 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 65 kg of sugar a day for 6 days, and then 79 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  37. 37.The average weight of 6 children is 35 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 12 children is 38 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 45 kg of sugar a day for 2 days, and then 65 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  40. 40.Marks of 5 friends in a quiz: 25, 27, 19, 36, 33. What is their average mark?

Answer key

  1. 42
  2. 66
  3. 44
  4. 35
  5. 38
  6. 43
  7. 61
  8. 67
  9. 66
  10. 32
  11. 74
  12. 98
  13. 27
  14. 48
  15. 28
  16. 86
  17. 42
  18. 46
  19. 32
  20. 46
  21. 52
  22. 49
  23. 62
  24. 62
  25. 50
  26. 47
  27. 56
  28. 53
  29. 27
  30. 38
  31. 61
  32. 30
  33. 26
  34. 63
  35. 43
  36. 72
  37. 34
  38. 36
  39. 57
  40. 28

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