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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 307 · 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 19. When one more number is added, the average becomes 24. What number was added?
  2. 2.Marks of 4 friends in a quiz: 82, 79, 88, 51. What is their average mark?
  3. 3.The average of 7 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  4. 4.Marks of 6 friends in a quiz: 77, 87, 73, 89, 74, 74. What is their average mark?
  5. 5.The average weight of 12 children is 30 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 4 friends in a quiz: 44, 63, 47, 62. What is their average mark?
  7. 7.The average of 4 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  8. 8.The average of 6 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  9. 9.Manav’s batting average after 14 innings is 50 runs. How many runs must Manav score in the next innings to raise the average to 52?
  10. 10.The average weight of 11 children is 33 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average weight of 6 children is 34 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 4 friends in a quiz: 56, 56, 63, 17. What is their average mark?
  13. 13.The average of 8 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  14. 14.Dev’s batting average after 14 innings is 44 runs. How many runs must Dev score in the next innings to raise the average to 46?
  15. 15.Marks of 5 friends in a quiz: 16, 21, 33, 16, 49. What is their average mark?
  16. 16.The average weight of 11 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Dev’s batting average after 10 innings is 22 runs. How many runs must Dev score in the next innings to raise the average to 23?
  18. 18.Marks of 5 friends in a quiz: 89, 85, 88, 77, 76. What is their average mark?
  19. 19.Priya’s batting average after 12 innings is 27 runs. How many runs must Priya score in the next innings to raise the average to 28?
  20. 20.The average of 8 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  21. 21.The average of 6 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  22. 22.The average of 5 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  23. 23.The average of 9 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  24. 24.A shop sells an average of 20 kg of sugar a day for 3 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  25. 25.A shop sells an average of 58 kg of sugar a day for 3 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.The average of 7 numbers is 47. When one more number is added, the average becomes 52. What number was added?
  27. 27.The average of 5 numbers is 59. When one more number is added, the average becomes 64. What number was added?
  28. 28.A shop sells an average of 45 kg of sugar a day for 6 days, and then 60 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  29. 29.Arjun’s batting average after 6 innings is 35 runs. How many runs must Arjun score in the next innings to raise the average to 39?
  30. 30.The average of 7 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  31. 31.Meera’s batting average after 6 innings is 41 runs. How many runs must Meera score in the next innings to raise the average to 43?
  32. 32.The average weight of 8 children is 32 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 61 kg of sugar a day for 3 days, and then 69 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.Rahul’s batting average after 7 innings is 37 runs. How many runs must Rahul score in the next innings to raise the average to 40?
  35. 35.The average weight of 5 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 7 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  37. 37.A shop sells an average of 23 kg of sugar a day for 4 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.Arjun’s batting average after 14 innings is 22 runs. How many runs must Arjun score in the next innings to raise the average to 25?
  39. 39.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 33 kg of sugar a day for 6 days, and then 78 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?

Answer key

  1. 59
  2. 75
  3. 68
  4. 79
  5. 27
  6. 54
  7. 47
  8. 37
  9. 80
  10. 31
  11. 31
  12. 48
  13. 48
  14. 74
  15. 27
  16. 45
  17. 33
  18. 83
  19. 40
  20. 46
  21. 84
  22. 56
  23. 68
  24. 44
  25. 61
  26. 87
  27. 89
  28. 51
  29. 63
  30. 37
  31. 55
  32. 29
  33. 66
  34. 61
  35. 26
  36. 32
  37. 37
  38. 67
  39. 31
  40. 51

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