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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 739 · 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 9 children is 37 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 12 children is 36 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 6 numbers is 60. When one more number is added, the average becomes 66. What number was added?
  4. 4.Tara’s batting average after 11 innings is 22 runs. How many runs must Tara score in the next innings to raise the average to 23?
  5. 5.A shop sells an average of 47 kg of sugar a day for 6 days, and then 74 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.Marks of 6 friends in a quiz: 61, 82, 91, 67, 84, 71. What is their average mark?
  7. 7.Meera’s batting average after 14 innings is 49 runs. How many runs must Meera score in the next innings to raise the average to 51?
  8. 8.A shop sells an average of 77 kg of sugar a day for 4 days, and then 44 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.Marks of 4 friends in a quiz: 14, 33, 13, 36. What is their average mark?
  10. 10.The average of 7 numbers is 60. When one more number is added, the average becomes 66. What number was added?
  11. 11.Marks of 4 friends in a quiz: 71, 48, 65, 56. What is their average mark?
  12. 12.Kabir’s batting average after 6 innings is 34 runs. How many runs must Kabir score in the next innings to raise the average to 35?
  13. 13.The average of 6 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  14. 14.The average weight of 5 children is 35 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Tara’s batting average after 6 innings is 43 runs. How many runs must Tara score in the next innings to raise the average to 48?
  16. 16.The average of 5 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  17. 17.Marks of 5 friends in a quiz: 21, 21, 21, 31, 36. What is their average mark?
  18. 18.Marks of 5 friends in a quiz: 61, 69, 80, 56, 69. What is their average mark?
  19. 19.The average of 7 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  20. 20.Farhan’s batting average after 9 innings is 22 runs. How many runs must Farhan score in the next innings to raise the average to 26?
  21. 21.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 4 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  23. 23.Marks of 6 friends in a quiz: 66, 49, 59, 36, 48, 48. What is their average mark?
  24. 24.Pooja’s batting average after 9 innings is 27 runs. How many runs must Pooja score in the next innings to raise the average to 30?
  25. 25.Marks of 4 friends in a quiz: 43, 40, 17, 16. What is their average mark?
  26. 26.Marks of 6 friends in a quiz: 75, 83, 67, 72, 83, 88. What is their average mark?
  27. 27.Ishaan’s batting average after 14 innings is 43 runs. How many runs must Ishaan score in the next innings to raise the average to 47?
  28. 28.The average weight of 8 children is 38 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Meera’s batting average after 9 innings is 29 runs. How many runs must Meera score in the next innings to raise the average to 32?
  31. 31.The average of 7 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  32. 32.Ishaan’s batting average after 7 innings is 36 runs. How many runs must Ishaan score in the next innings to raise the average to 39?
  33. 33.Marks of 6 friends in a quiz: 53, 62, 57, 60, 47, 81. What is their average mark?
  34. 34.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)?
  35. 35.The average of 9 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  36. 36.Marks of 4 friends in a quiz: 14, 26, 18, 26. What is their average mark?
  37. 37.The average weight of 10 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 7 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  39. 39.Marks of 4 friends in a quiz: 77, 79, 69, 99. What is their average mark?
  40. 40.Kavya’s batting average after 10 innings is 34 runs. How many runs must Kavya score in the next innings to raise the average to 35?

Answer key

  1. 34
  2. 34
  3. 102
  4. 34
  5. 56
  6. 76
  7. 79
  8. 66
  9. 24
  10. 108
  11. 60
  12. 41
  13. 44
  14. 32
  15. 78
  16. 78
  17. 26
  18. 67
  19. 90
  20. 62
  21. 30
  22. 53
  23. 51
  24. 57
  25. 29
  26. 78
  27. 103
  28. 37
  29. 28
  30. 59
  31. 73
  32. 60
  33. 60
  34. 39
  35. 38
  36. 21
  37. 42
  38. 88
  39. 81
  40. 45

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