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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 113 · 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 30. When one more number is added, the average becomes 32. What number was added?
  2. 2.The average weight of 11 children is 44 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 11 children is 42 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Priya’s batting average after 12 innings is 22 runs. How many runs must Priya score in the next innings to raise the average to 23?
  5. 5.Karan’s batting average after 13 innings is 41 runs. How many runs must Karan score in the next innings to raise the average to 42?
  6. 6.Kavya’s batting average after 14 innings is 21 runs. How many runs must Kavya score in the next innings to raise the average to 23?
  7. 7.Marks of 5 friends in a quiz: 47, 47, 65, 44, 77. What is their average mark?
  8. 8.The average weight of 9 children is 34 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Kabir’s batting average after 9 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 24?
  10. 10.Marks of 4 friends in a quiz: 26, 29, 37, 56. What is their average mark?
  11. 11.Ishaan’s batting average after 6 innings is 42 runs. How many runs must Ishaan score in the next innings to raise the average to 44?
  12. 12.Marks of 4 friends in a quiz: 92, 80, 75, 81. What is their average mark?
  13. 13.The average weight of 7 children is 37 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 5 friends in a quiz: 16, 18, 31, 20, 20. What is their average mark?
  15. 15.The average weight of 5 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 4 friends in a quiz: 44, 54, 31, 43. What is their average mark?
  17. 17.The average of 9 numbers is 40. When one more number is added, the average becomes 44. What number was added?
  18. 18.The average weight of 8 children is 29 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 5 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  20. 20.Aarav’s batting average after 7 innings is 21 runs. How many runs must Aarav score in the next innings to raise the average to 25?
  21. 21.Marks of 5 friends in a quiz: 39, 23, 15, 22, 21. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 76, 61, 50, 69, 65, 51. What is their average mark?
  23. 23.Marks of 6 friends in a quiz: 49, 44, 46, 37, 53, 83. What is their average mark?
  24. 24.Marks of 6 friends in a quiz: 79, 90, 102, 99, 75, 89. What is their average mark?
  25. 25.A shop sells an average of 49 kg of sugar a day for 3 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  26. 26.Pooja’s batting average after 12 innings is 43 runs. How many runs must Pooja score in the next innings to raise the average to 46?
  27. 27.Meera’s batting average after 15 innings is 41 runs. How many runs must Meera score in the next innings to raise the average to 44?
  28. 28.The average of 7 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  29. 29.Kavya’s batting average after 15 innings is 28 runs. How many runs must Kavya score in the next innings to raise the average to 33?
  30. 30.The average of 6 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  31. 31.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 7 children is 40 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 4 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  34. 34.A shop sells an average of 46 kg of sugar a day for 4 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.Marks of 5 friends in a quiz: 48, 78, 67, 62, 60. What is their average mark?
  36. 36.A shop sells an average of 55 kg of sugar a day for 3 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.The average weight of 6 children is 33 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 5 friends in a quiz: 14, 20, 27, 33, 26. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 33, 35, 27, 61. What is their average mark?
  40. 40.The average weight of 5 children is 33 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 46
  2. 41
  3. 39
  4. 35
  5. 55
  6. 51
  7. 56
  8. 31
  9. 51
  10. 37
  11. 56
  12. 82
  13. 35
  14. 21
  15. 31
  16. 43
  17. 80
  18. 27
  19. 30
  20. 53
  21. 24
  22. 62
  23. 52
  24. 89
  25. 53
  26. 82
  27. 89
  28. 47
  29. 108
  30. 90
  31. 27
  32. 39
  33. 47
  34. 60
  35. 63
  36. 49
  37. 32
  38. 24
  39. 39
  40. 31

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