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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 402 · 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.Marks of 4 friends in a quiz: 34, 51, 24, 39. What is their average mark?
  2. 2.The average of 5 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  3. 3.The average of 6 numbers is 54. When one more number is added, the average becomes 60. What number was added?
  4. 4.Vivaan’s batting average after 15 innings is 26 runs. How many runs must Vivaan score in the next innings to raise the average to 28?
  5. 5.The average weight of 7 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 36 kg of sugar a day for 5 days, and then 54 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  7. 7.Marks of 5 friends in a quiz: 62, 48, 41, 53, 51. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 66, 83, 79, 70, 42. What is their average mark?
  9. 9.Kavya’s batting average after 14 innings is 32 runs. How many runs must Kavya score in the next innings to raise the average to 35?
  10. 10.The average of 5 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  11. 11.Farhan’s batting average after 9 innings is 24 runs. How many runs must Farhan score in the next innings to raise the average to 25?
  12. 12.Marks of 5 friends in a quiz: 11, 37, 11, 14, 52. What is their average mark?
  13. 13.The average of 8 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  14. 14.A shop sells an average of 74 kg of sugar a day for 2 days, and then 38 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.Marks of 5 friends in a quiz: 30, 20, 8, 30, 27. What is their average mark?
  16. 16.Aarav’s batting average after 10 innings is 25 runs. How many runs must Aarav score in the next innings to raise the average to 30?
  17. 17.Kavya’s batting average after 15 innings is 50 runs. How many runs must Kavya score in the next innings to raise the average to 53?
  18. 18.Sneha’s batting average after 11 innings is 38 runs. How many runs must Sneha score in the next innings to raise the average to 39?
  19. 19.A shop sells an average of 27 kg of sugar a day for 6 days, and then 31 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  20. 20.Marks of 5 friends in a quiz: 38, 21, 37, 28, 11. What is their average mark?
  21. 21.Diya’s batting average after 12 innings is 43 runs. How many runs must Diya score in the next innings to raise the average to 45?
  22. 22.A shop sells an average of 68 kg of sugar a day for 6 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  23. 23.The average weight of 9 children is 33 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 38 kg of sugar a day for 6 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.Marks of 4 friends in a quiz: 84, 69, 80, 67. What is their average mark?
  26. 26.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)?
  27. 27.The average weight of 9 children is 37 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 22 kg of sugar a day for 2 days, and then 79 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.Marks of 4 friends in a quiz: 53, 51, 33, 23. What is their average mark?
  30. 30.A shop sells an average of 34 kg of sugar a day for 2 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  31. 31.Marks of 4 friends in a quiz: 76, 80, 97, 95. What is their average mark?
  32. 32.Marks of 6 friends in a quiz: 43, 38, 41, 43, 43, 56. What is their average mark?
  33. 33.The average weight of 8 children is 46 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 6 friends in a quiz: 25, 51, 29, 26, 36, 73. What is their average mark?
  35. 35.Marks of 4 friends in a quiz: 35, 38, 19, 32. What is their average mark?
  36. 36.A shop sells an average of 77 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)?
  37. 37.Marks of 4 friends in a quiz: 39, 35, 28, 58. What is their average mark?
  38. 38.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)?
  39. 39.Priya’s batting average after 14 innings is 21 runs. How many runs must Priya score in the next innings to raise the average to 22?
  40. 40.Marks of 6 friends in a quiz: 47, 34, 32, 33, 43, 51. What is their average mark?

Answer key

  1. 37
  2. 77
  3. 96
  4. 58
  5. 39
  6. 45
  7. 51
  8. 68
  9. 77
  10. 42
  11. 34
  12. 25
  13. 84
  14. 50
  15. 23
  16. 80
  17. 98
  18. 50
  19. 29
  20. 27
  21. 69
  22. 67
  23. 30
  24. 39
  25. 75
  26. 35
  27. 35
  28. 60
  29. 40
  30. 44
  31. 87
  32. 44
  33. 43
  34. 40
  35. 31
  36. 47
  37. 40
  38. 33
  39. 36
  40. 40

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