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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 547 · 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 44 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 4 friends in a quiz: 22, 44, 17, 33. What is their average mark?
  3. 3.A shop sells an average of 25 kg of sugar a day for 3 days, and then 46 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  4. 4.The average weight of 9 children is 40 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Zoya’s batting average after 6 innings is 48 runs. How many runs must Zoya score in the next innings to raise the average to 49?
  6. 6.Marks of 4 friends in a quiz: 15, 10, 22, 49. What is their average mark?
  7. 7.Marks of 5 friends in a quiz: 46, 63, 44, 47, 85. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 92, 80, 73, 69, 96. What is their average mark?
  9. 9.The average of 4 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  10. 10.The average weight of 12 children is 46 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Rahul’s batting average after 11 innings is 46 runs. How many runs must Rahul score in the next innings to raise the average to 49?
  12. 12.A shop sells an average of 65 kg of sugar a day for 4 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Marks of 5 friends in a quiz: 43, 41, 31, 42, 48. What is their average mark?
  14. 14.Rohan’s batting average after 12 innings is 24 runs. How many runs must Rohan score in the next innings to raise the average to 29?
  15. 15.The average weight of 5 children is 40 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 7 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  17. 17.The average weight of 6 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 5 friends in a quiz: 93, 75, 70, 83, 69. What is their average mark?
  19. 19.The average weight of 10 children is 37 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 4 friends in a quiz: 64, 57, 64, 51. What is their average mark?
  21. 21.The average weight of 12 children is 33 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 8 children is 43 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 5 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  24. 24.Marks of 4 friends in a quiz: 68, 72, 54, 66. What is their average mark?
  25. 25.The average weight of 9 children is 30 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 24 kg of sugar a day for 2 days, and then 76 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.Marks of 4 friends in a quiz: 49, 51, 55, 97. What is their average mark?
  28. 28.Ishaan’s batting average after 8 innings is 27 runs. How many runs must Ishaan score in the next innings to raise the average to 28?
  29. 29.Marks of 4 friends in a quiz: 49, 45, 56, 74. What is their average mark?
  30. 30.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 6 friends in a quiz: 38, 18, 20, 24, 30, 14. What is their average mark?
  32. 32.A shop sells an average of 49 kg of sugar a day for 3 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  33. 33.Marks of 4 friends in a quiz: 33, 38, 34, 83. What is their average mark?
  34. 34.Marks of 5 friends in a quiz: 40, 32, 32, 28, 83. What is their average mark?
  35. 35.Meera’s batting average after 7 innings is 20 runs. How many runs must Meera score in the next innings to raise the average to 21?
  36. 36.Sneha’s batting average after 6 innings is 33 runs. How many runs must Sneha score in the next innings to raise the average to 37?
  37. 37.The average of 5 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  38. 38.Zoya’s batting average after 12 innings is 38 runs. How many runs must Zoya score in the next innings to raise the average to 40?
  39. 39.Marks of 4 friends in a quiz: 33, 28, 20, 59. What is their average mark?
  40. 40.Marks of 5 friends in a quiz: 54, 42, 55, 36, 38. What is their average mark?

Answer key

  1. 41
  2. 29
  3. 37
  4. 38
  5. 55
  6. 24
  7. 57
  8. 82
  9. 69
  10. 44
  11. 82
  12. 60
  13. 41
  14. 89
  15. 37
  16. 68
  17. 38
  18. 78
  19. 35
  20. 59
  21. 31
  22. 40
  23. 63
  24. 65
  25. 28
  26. 63
  27. 63
  28. 36
  29. 56
  30. 36
  31. 24
  32. 45
  33. 47
  34. 43
  35. 28
  36. 61
  37. 61
  38. 64
  39. 35
  40. 45

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