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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 506 · 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: 39, 60, 42, 67. What is their average mark?
  2. 2.A shop sells an average of 20 kg of sugar a day for 2 days, and then 53 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 84, 65, 80, 83. What is their average mark?
  4. 4.Kavya’s batting average after 5 innings is 23 runs. How many runs must Kavya score in the next innings to raise the average to 24?
  5. 5.A shop sells an average of 29 kg of sugar a day for 3 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.Marks of 6 friends in a quiz: 82, 59, 63, 53, 79, 72. What is their average mark?
  7. 7.Vivaan’s batting average after 5 innings is 20 runs. How many runs must Vivaan score in the next innings to raise the average to 24?
  8. 8.A shop sells an average of 79 kg of sugar a day for 5 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  9. 9.Marks of 4 friends in a quiz: 53, 40, 54, 49. What is their average mark?
  10. 10.The average of 7 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  11. 11.Pooja’s batting average after 5 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 23?
  12. 12.The average of 8 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  13. 13.Nisha’s batting average after 11 innings is 28 runs. How many runs must Nisha score in the next innings to raise the average to 32?
  14. 14.A shop sells an average of 20 kg of sugar a day for 6 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.Rohan’s batting average after 6 innings is 21 runs. How many runs must Rohan score in the next innings to raise the average to 25?
  16. 16.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 65 kg of sugar a day for 4 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.Marks of 4 friends in a quiz: 84, 83, 71, 78. What is their average mark?
  19. 19.The average of 4 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  20. 20.Marks of 6 friends in a quiz: 62, 70, 51, 69, 69, 27. What is their average mark?
  21. 21.A shop sells an average of 38 kg of sugar a day for 5 days, and then 70 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 38, 31, 40, 75. What is their average mark?
  23. 23.Priya’s batting average after 13 innings is 21 runs. How many runs must Priya score in the next innings to raise the average to 22?
  24. 24.The average of 9 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  25. 25.A shop sells an average of 62 kg of sugar a day for 4 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.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)?
  27. 27.Marks of 4 friends in a quiz: 25, 36, 34, 49. What is their average mark?
  28. 28.The average of 9 numbers is 15. When one more number is added, the average becomes 18. What number was added?
  29. 29.The average of 5 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  30. 30.A shop sells an average of 24 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)?
  31. 31.The average of 6 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  32. 32.A shop sells an average of 28 kg of sugar a day for 4 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.Pooja’s batting average after 13 innings is 37 runs. How many runs must Pooja score in the next innings to raise the average to 38?
  34. 34.Ishaan’s batting average after 5 innings is 21 runs. How many runs must Ishaan score in the next innings to raise the average to 26?
  35. 35.The average weight of 12 children is 32 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 10 children is 29 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 5 friends in a quiz: 24, 5, 19, 26, 26. What is their average mark?
  38. 38.The average of 4 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  39. 39.The average weight of 7 children is 38 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 77 kg of sugar a day for 2 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 52
  2. 42
  3. 78
  4. 29
  5. 33
  6. 68
  7. 44
  8. 73
  9. 49
  10. 40
  11. 28
  12. 35
  13. 76
  14. 26
  15. 49
  16. 38
  17. 54
  18. 79
  19. 44
  20. 58
  21. 54
  22. 46
  23. 35
  24. 90
  25. 68
  26. 40
  27. 36
  28. 45
  29. 66
  30. 39
  31. 55
  32. 33
  33. 51
  34. 51
  35. 31
  36. 26
  37. 20
  38. 70
  39. 37
  40. 45

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