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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 679 · 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.Kabir’s batting average after 15 innings is 28 runs. How many runs must Kabir score in the next innings to raise the average to 30?
  2. 2.A shop sells an average of 43 kg of sugar a day for 4 days, and then 61 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  3. 3.The average of 7 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  4. 4.The average of 5 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  5. 5.Marks of 5 friends in a quiz: 59, 44, 49, 29, 39. What is their average mark?
  6. 6.A shop sells an average of 50 kg of sugar a day for 5 days, and then 74 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.Manav’s batting average after 14 innings is 22 runs. How many runs must Manav score in the next innings to raise the average to 26?
  8. 8.A shop sells an average of 25 kg of sugar a day for 4 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  9. 9.The average weight of 11 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 5 friends in a quiz: 17, 22, 21, 17, 68. What is their average mark?
  11. 11.The average of 6 numbers is 52. When one more number is added, the average becomes 58. What number was added?
  12. 12.A shop sells an average of 40 kg of sugar a day for 5 days, and then 73 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  13. 13.Diya’s batting average after 7 innings is 36 runs. How many runs must Diya score in the next innings to raise the average to 40?
  14. 14.The average weight of 8 children is 42 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 5 friends in a quiz: 67, 68, 76, 62, 87. What is their average mark?
  16. 16.The average of 4 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  17. 17.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)?
  18. 18.Marks of 5 friends in a quiz: 60, 76, 57, 62, 95. What is their average mark?
  19. 19.The average weight of 10 children is 42 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 6 children is 35 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 64 kg of sugar a day for 2 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  22. 22.Karan’s batting average after 14 innings is 45 runs. How many runs must Karan score in the next innings to raise the average to 50?
  23. 23.Marks of 6 friends in a quiz: 80, 77, 84, 60, 58, 67. What is their average mark?
  24. 24.Marks of 6 friends in a quiz: 27, 34, 31, 34, 49, 41. What is their average mark?
  25. 25.The average weight of 7 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 5 friends in a quiz: 58, 63, 54, 55, 65. What is their average mark?
  27. 27.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Pooja’s batting average after 10 innings is 36 runs. How many runs must Pooja score in the next innings to raise the average to 41?
  29. 29.Karan’s batting average after 15 innings is 22 runs. How many runs must Karan score in the next innings to raise the average to 26?
  30. 30.Marks of 4 friends in a quiz: 37, 51, 48, 24. What is their average mark?
  31. 31.A shop sells an average of 71 kg of sugar a day for 3 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  32. 32.Marks of 6 friends in a quiz: 28, 36, 22, 33, 32, 47. What is their average mark?
  33. 33.The average weight of 11 children is 33 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 4 friends in a quiz: 55, 67, 55, 31. What is their average mark?
  35. 35.Marks of 5 friends in a quiz: 74, 58, 72, 80, 66. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 50, 33, 34, 75. What is their average mark?
  37. 37.Kabir’s batting average after 8 innings is 20 runs. How many runs must Kabir score in the next innings to raise the average to 23?
  38. 38.Farhan’s batting average after 7 innings is 26 runs. How many runs must Farhan score in the next innings to raise the average to 28?
  39. 39.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)?
  40. 40.The average of 4 numbers is 59. When one more number is added, the average becomes 65. What number was added?

Answer key

  1. 60
  2. 53
  3. 45
  4. 25
  5. 44
  6. 59
  7. 82
  8. 40
  9. 32
  10. 29
  11. 94
  12. 58
  13. 68
  14. 39
  15. 72
  16. 28
  17. 35
  18. 70
  19. 41
  20. 33
  21. 49
  22. 120
  23. 71
  24. 36
  25. 42
  26. 59
  27. 40
  28. 91
  29. 86
  30. 40
  31. 51
  32. 33
  33. 30
  34. 52
  35. 70
  36. 48
  37. 47
  38. 42
  39. 34
  40. 89

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