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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 56 · 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 of 7 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  2. 2.Marks of 6 friends in a quiz: 19, 20, 39, 27, 44, 31. What is their average mark?
  3. 3.Ananya’s batting average after 5 innings is 40 runs. How many runs must Ananya score in the next innings to raise the average to 41?
  4. 4.Farhan’s batting average after 13 innings is 35 runs. How many runs must Farhan score in the next innings to raise the average to 37?
  5. 5.Kabir’s batting average after 13 innings is 43 runs. How many runs must Kabir score in the next innings to raise the average to 48?
  6. 6.The average of 4 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  7. 7.The average weight of 11 children is 31 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 8 children is 45 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 5 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 8 children is 38 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 5 friends in a quiz: 39, 64, 40, 42, 60. What is their average mark?
  12. 12.The average weight of 9 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 5 numbers is 40. When one more number is added, the average becomes 42. What number was added?
  14. 14.Rohan’s batting average after 10 innings is 44 runs. How many runs must Rohan score in the next innings to raise the average to 48?
  15. 15.The average of 5 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  16. 16.Marks of 4 friends in a quiz: 38, 60, 44, 62. What is their average mark?
  17. 17.A shop sells an average of 45 kg of sugar a day for 3 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  18. 18.Marks of 4 friends in a quiz: 64, 44, 59, 41. What is their average mark?
  19. 19.The average weight of 7 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 6 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  21. 21.Marks of 4 friends in a quiz: 53, 58, 63, 94. What is their average mark?
  22. 22.A shop sells an average of 22 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)?
  23. 23.A shop sells an average of 25 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)?
  24. 24.Farhan’s batting average after 10 innings is 48 runs. How many runs must Farhan score in the next innings to raise the average to 50?
  25. 25.The average weight of 7 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 5 friends in a quiz: 72, 69, 53, 74, 57. What is their average mark?
  27. 27.Marks of 6 friends in a quiz: 76, 51, 52, 55, 76, 74. What is their average mark?
  28. 28.Kabir’s batting average after 5 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 26?
  29. 29.The average weight of 12 children is 40 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 79 kg of sugar a day for 3 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.Marks of 5 friends in a quiz: 64, 67, 77, 54, 63. What is their average mark?
  32. 32.Aditya’s batting average after 9 innings is 45 runs. How many runs must Aditya score in the next innings to raise the average to 50?
  33. 33.Aditya’s batting average after 10 innings is 36 runs. How many runs must Aditya score in the next innings to raise the average to 39?
  34. 34.Marks of 4 friends in a quiz: 83, 65, 81, 63. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 22, 35, 27, 40, 35, 33. What is their average mark?
  36. 36.A shop sells an average of 29 kg of sugar a day for 3 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  37. 37.Marks of 4 friends in a quiz: 94, 66, 77, 79. What is their average mark?
  38. 38.Marks of 4 friends in a quiz: 79, 101, 85, 83. What is their average mark?
  39. 39.The average of 7 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  40. 40.Marks of 4 friends in a quiz: 55, 51, 71, 75. What is their average mark?

Answer key

  1. 61
  2. 30
  3. 46
  4. 63
  5. 113
  6. 42
  7. 28
  8. 43
  9. 35
  10. 36
  11. 49
  12. 27
  13. 52
  14. 88
  15. 30
  16. 51
  17. 37
  18. 52
  19. 38
  20. 50
  21. 67
  22. 27
  23. 37
  24. 70
  25. 25
  26. 65
  27. 64
  28. 51
  29. 39
  30. 57
  31. 65
  32. 95
  33. 69
  34. 73
  35. 32
  36. 44
  37. 79
  38. 87
  39. 52
  40. 63

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