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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 601 · 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 weight of 6 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 4 friends in a quiz: 87, 87, 93, 57. What is their average mark?
  3. 3.Marks of 5 friends in a quiz: 18, 12, 38, 11, 51. What is their average mark?
  4. 4.Saanvi’s batting average after 13 innings is 41 runs. How many runs must Saanvi score in the next innings to raise the average to 46?
  5. 5.The average of 9 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  6. 6.Marks of 4 friends in a quiz: 44, 27, 43, 54. What is their average mark?
  7. 7.Pooja’s batting average after 13 innings is 40 runs. How many runs must Pooja score in the next innings to raise the average to 42?
  8. 8.Marks of 6 friends in a quiz: 32, 53, 39, 25, 29, 50. What is their average mark?
  9. 9.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Sneha’s batting average after 9 innings is 44 runs. How many runs must Sneha score in the next innings to raise the average to 47?
  11. 11.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 5 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  13. 13.Marks of 5 friends in a quiz: 23, 32, 40, 21, 14. What is their average mark?
  14. 14.The average weight of 5 children is 38 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 9 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  16. 16.Marks of 5 friends in a quiz: 52, 78, 54, 55, 81. What is their average mark?
  17. 17.The average weight of 10 children is 43 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 42 kg of sugar a day for 2 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.A shop sells an average of 35 kg of sugar a day for 5 days, and then 79 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.Saanvi’s batting average after 10 innings is 44 runs. How many runs must Saanvi score in the next innings to raise the average to 46?
  21. 21.Marks of 6 friends in a quiz: 93, 84, 79, 93, 89, 84. What is their average mark?
  22. 22.The average weight of 12 children is 39 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Aditya’s batting average after 11 innings is 32 runs. How many runs must Aditya score in the next innings to raise the average to 37?
  24. 24.Marks of 5 friends in a quiz: 62, 50, 63, 63, 77. What is their average mark?
  25. 25.The average of 8 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  26. 26.The average weight of 5 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 6 friends in a quiz: 58, 61, 58, 79, 86, 84. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 93, 71, 75, 89. What is their average mark?
  29. 29.The average weight of 11 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 4 friends in a quiz: 46, 20, 26, 44. What is their average mark?
  31. 31.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 9 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  33. 33.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)?
  34. 34.Saanvi’s batting average after 7 innings is 43 runs. How many runs must Saanvi score in the next innings to raise the average to 47?
  35. 35.The average weight of 9 children is 35 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 6 friends in a quiz: 33, 39, 21, 20, 34, 51. What is their average mark?
  37. 37.Arjun’s batting average after 8 innings is 43 runs. How many runs must Arjun score in the next innings to raise the average to 44?
  38. 38.The average weight of 5 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Kavya’s batting average after 7 innings is 21 runs. How many runs must Kavya score in the next innings to raise the average to 25?
  40. 40.Manav’s batting average after 15 innings is 32 runs. How many runs must Manav score in the next innings to raise the average to 36?

Answer key

  1. 44
  2. 81
  3. 26
  4. 111
  5. 28
  6. 42
  7. 68
  8. 38
  9. 38
  10. 74
  11. 26
  12. 23
  13. 26
  14. 35
  15. 70
  16. 64
  17. 41
  18. 45
  19. 57
  20. 66
  21. 87
  22. 38
  23. 92
  24. 63
  25. 82
  26. 37
  27. 71
  28. 82
  29. 33
  30. 34
  31. 27
  32. 68
  33. 28
  34. 75
  35. 32
  36. 33
  37. 52
  38. 30
  39. 53
  40. 96

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