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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 527 · 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.Marks of 6 friends in a quiz: 63, 50, 50, 59, 49, 71. What is their average mark?
  2. 2.A shop sells an average of 38 kg of sugar a day for 3 days, and then 68 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  3. 3.The average weight of 12 children is 27 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 6 friends in a quiz: 94, 84, 100, 84, 92, 86. What is their average mark?
  5. 5.The average of 5 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  6. 6.Marks of 5 friends in a quiz: 95, 99, 75, 103, 68. What is their average mark?
  7. 7.The average weight of 7 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average of 4 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  9. 9.The average of 8 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  10. 10.Kavya’s batting average after 12 innings is 20 runs. How many runs must Kavya score in the next innings to raise the average to 22?
  11. 11.A shop sells an average of 44 kg of sugar a day for 4 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.The average of 5 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  13. 13.Dev’s batting average after 12 innings is 35 runs. How many runs must Dev score in the next innings to raise the average to 39?
  14. 14.Marks of 6 friends in a quiz: 40, 55, 60, 41, 60, 26. What is their average mark?
  15. 15.A shop sells an average of 48 kg of sugar a day for 6 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  16. 16.The average weight of 11 children is 36 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 9 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 6 friends in a quiz: 15, 20, 18, 13, 23, 79. What is their average mark?
  19. 19.Marks of 5 friends in a quiz: 64, 47, 67, 61, 51. What is their average mark?
  20. 20.The average of 4 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  21. 21.The average of 7 numbers is 52. When one more number is added, the average becomes 57. What number was added?
  22. 22.Diya’s batting average after 11 innings is 22 runs. How many runs must Diya score in the next innings to raise the average to 27?
  23. 23.The average weight of 7 children is 39 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 8 children is 47 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Ishaan’s batting average after 5 innings is 31 runs. How many runs must Ishaan score in the next innings to raise the average to 34?
  26. 26.Tara’s batting average after 10 innings is 22 runs. How many runs must Tara score in the next innings to raise the average to 26?
  27. 27.The average of 5 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  28. 28.The average weight of 8 children is 30 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 5 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  30. 30.Marks of 4 friends in a quiz: 55, 70, 50, 65. What is their average mark?
  31. 31.A shop sells an average of 46 kg of sugar a day for 6 days, and then 67 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  32. 32.Marks of 4 friends in a quiz: 48, 58, 71, 51. What is their average mark?
  33. 33.The average of 8 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  34. 34.The average of 9 numbers is 57. When one more number is added, the average becomes 59. What number was added?
  35. 35.Kabir’s batting average after 11 innings is 23 runs. How many runs must Kabir score in the next innings to raise the average to 24?
  36. 36.Marks of 6 friends in a quiz: 34, 33, 27, 22, 36, 28. What is their average mark?
  37. 37.The average weight of 10 children is 36 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 12 children is 38 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Kabir’s batting average after 15 innings is 28 runs. How many runs must Kabir score in the next innings to raise the average to 33?
  40. 40.Karan’s batting average after 5 innings is 31 runs. How many runs must Karan score in the next innings to raise the average to 35?

Answer key

  1. 57
  2. 50
  3. 25
  4. 90
  5. 55
  6. 88
  7. 35
  8. 77
  9. 61
  10. 46
  11. 50
  12. 59
  13. 87
  14. 47
  15. 53
  16. 33
  17. 42
  18. 28
  19. 58
  20. 32
  21. 92
  22. 82
  23. 38
  24. 45
  25. 49
  26. 66
  27. 30
  28. 29
  29. 45
  30. 60
  31. 53
  32. 57
  33. 51
  34. 77
  35. 35
  36. 30
  37. 34
  38. 36
  39. 108
  40. 55

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