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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 670 · 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 5 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  2. 2.The average of 6 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  3. 3.Meera’s batting average after 15 innings is 23 runs. How many runs must Meera score in the next innings to raise the average to 28?
  4. 4.The average of 4 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  5. 5.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)?
  6. 6.The average of 8 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  7. 7.The average of 4 numbers is 28. When one more number is added, the average becomes 31. What number was added?
  8. 8.Pooja’s batting average after 10 innings is 20 runs. How many runs must Pooja score in the next innings to raise the average to 25?
  9. 9.A shop sells an average of 75 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)?
  10. 10.Marks of 6 friends in a quiz: 44, 52, 46, 28, 27, 25. What is their average mark?
  11. 11.The average weight of 12 children is 34 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 23 kg of sugar a day for 4 days, and then 32 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 4 friends in a quiz: 41, 20, 38, 37. What is their average mark?
  14. 14.Manav’s batting average after 7 innings is 23 runs. How many runs must Manav score in the next innings to raise the average to 24?
  15. 15.Marks of 5 friends in a quiz: 72, 66, 61, 74, 87. What is their average mark?
  16. 16.A shop sells an average of 69 kg of sugar a day for 4 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.The average of 4 numbers is 57. When one more number is added, the average becomes 59. What number was added?
  18. 18.Kavya’s batting average after 15 innings is 47 runs. How many runs must Kavya score in the next innings to raise the average to 51?
  19. 19.The average weight of 10 children is 26 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 6 friends in a quiz: 59, 50, 68, 46, 61, 76. What is their average mark?
  21. 21.The average weight of 12 children is 40 kg. One child, who weighs 73 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Manav’s batting average after 7 innings is 30 runs. How many runs must Manav score in the next innings to raise the average to 31?
  23. 23.Marks of 5 friends in a quiz: 45, 66, 48, 59, 77. What is their average mark?
  24. 24.The average weight of 7 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 8 children is 46 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 4 friends in a quiz: 9, 16, 33, 34. What is their average mark?
  27. 27.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)?
  28. 28.Rohan’s batting average after 13 innings is 22 runs. How many runs must Rohan score in the next innings to raise the average to 27?
  29. 29.Farhan’s batting average after 12 innings is 35 runs. How many runs must Farhan score in the next innings to raise the average to 37?
  30. 30.Marks of 5 friends in a quiz: 12, 14, 27, 11, 46. What is their average mark?
  31. 31.Rohan’s batting average after 5 innings is 34 runs. How many runs must Rohan score in the next innings to raise the average to 35?
  32. 32.The average of 9 numbers is 46. When one more number is added, the average becomes 47. What number was added?
  33. 33.Marks of 4 friends in a quiz: 82, 72, 89, 61. What is their average mark?
  34. 34.The average of 5 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  35. 35.Marks of 4 friends in a quiz: 98, 102, 84, 76. What is their average mark?
  36. 36.Aditya’s batting average after 12 innings is 20 runs. How many runs must Aditya score in the next innings to raise the average to 22?
  37. 37.Zoya’s batting average after 5 innings is 46 runs. How many runs must Zoya score in the next innings to raise the average to 50?
  38. 38.The average of 4 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  39. 39.The average of 5 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  40. 40.The average of 8 numbers is 20. When one more number is added, the average becomes 26. What number was added?

Answer key

  1. 47
  2. 80
  3. 103
  4. 80
  5. 35
  6. 62
  7. 43
  8. 75
  9. 59
  10. 37
  11. 31
  12. 26
  13. 34
  14. 31
  15. 72
  16. 57
  17. 67
  18. 111
  19. 25
  20. 60
  21. 37
  22. 38
  23. 59
  24. 32
  25. 44
  26. 23
  27. 40
  28. 92
  29. 61
  30. 22
  31. 40
  32. 56
  33. 76
  34. 29
  35. 90
  36. 46
  37. 70
  38. 82
  39. 27
  40. 74

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