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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 228 · 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 7 children is 35 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 10 children is 41 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 41 kg of sugar a day for 4 days, and then 77 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.Arjun’s batting average after 15 innings is 26 runs. How many runs must Arjun score in the next innings to raise the average to 30?
  5. 5.The average of 9 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  6. 6.A shop sells an average of 45 kg of sugar a day for 4 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.The average weight of 12 children is 44 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 5 friends in a quiz: 46, 41, 55, 58, 40. What is their average mark?
  9. 9.Ananya’s batting average after 11 innings is 48 runs. How many runs must Ananya score in the next innings to raise the average to 50?
  10. 10.A shop sells an average of 49 kg of sugar a day for 2 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.The average weight of 7 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 6 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  13. 13.The average of 7 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  14. 14.The average of 7 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  15. 15.Marks of 6 friends in a quiz: 27, 40, 22, 23, 44, 42. What is their average mark?
  16. 16.Rahul’s batting average after 10 innings is 25 runs. How many runs must Rahul score in the next innings to raise the average to 27?
  17. 17.Marks of 6 friends in a quiz: 73, 64, 59, 52, 77, 71. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 23, 11, 9, 49. What is their average mark?
  19. 19.The average weight of 5 children is 48 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Sneha’s batting average after 7 innings is 23 runs. How many runs must Sneha score in the next innings to raise the average to 26?
  22. 22.A shop sells an average of 53 kg of sugar a day for 4 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  23. 23.Marks of 4 friends in a quiz: 77, 103, 88, 92. What is their average mark?
  24. 24.A shop sells an average of 53 kg of sugar a day for 2 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.A shop sells an average of 45 kg of sugar a day for 3 days, and then 49 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.A shop sells an average of 60 kg of sugar a day for 6 days, and then 80 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.Meera’s batting average after 15 innings is 30 runs. How many runs must Meera score in the next innings to raise the average to 33?
  28. 28.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 4 friends in a quiz: 75, 68, 76, 41. What is their average mark?
  30. 30.The average of 9 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  31. 31.Marks of 5 friends in a quiz: 49, 54, 65, 69, 53. What is their average mark?
  32. 32.Marks of 5 friends in a quiz: 41, 16, 22, 34, 42. What is their average mark?
  33. 33.Tara’s batting average after 10 innings is 24 runs. How many runs must Tara score in the next innings to raise the average to 28?
  34. 34.Arjun’s batting average after 10 innings is 22 runs. How many runs must Arjun score in the next innings to raise the average to 27?
  35. 35.The average of 9 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  36. 36.The average weight of 6 children is 27 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 7 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  38. 38.Marks of 5 friends in a quiz: 50, 34, 34, 24, 43. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 31, 13, 22, 14. What is their average mark?
  40. 40.A shop sells an average of 72 kg of sugar a day for 4 days, and then 62 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?

Answer key

  1. 34
  2. 40
  3. 59
  4. 90
  5. 92
  6. 48
  7. 43
  8. 48
  9. 72
  10. 31
  11. 40
  12. 65
  13. 42
  14. 61
  15. 33
  16. 47
  17. 66
  18. 23
  19. 45
  20. 27
  21. 47
  22. 50
  23. 90
  24. 62
  25. 47
  26. 65
  27. 78
  28. 28
  29. 65
  30. 76
  31. 58
  32. 31
  33. 68
  34. 77
  35. 105
  36. 26
  37. 79
  38. 37
  39. 20
  40. 66

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