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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 351 · 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.Ishaan’s batting average after 11 innings is 35 runs. How many runs must Ishaan score in the next innings to raise the average to 39?
  2. 2.The average of 7 numbers is 56. When one more number is added, the average becomes 60. What number was added?
  3. 3.Zoya’s batting average after 15 innings is 45 runs. How many runs must Zoya score in the next innings to raise the average to 50?
  4. 4.Marks of 5 friends in a quiz: 30, 40, 23, 32, 50. What is their average mark?
  5. 5.Pooja’s batting average after 8 innings is 37 runs. How many runs must Pooja score in the next innings to raise the average to 39?
  6. 6.The average of 4 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  7. 7.The average weight of 9 children is 34 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 4 friends in a quiz: 84, 63, 56, 81. What is their average mark?
  9. 9.Diya’s batting average after 15 innings is 23 runs. How many runs must Diya score in the next innings to raise the average to 26?
  10. 10.The average of 7 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  11. 11.A shop sells an average of 48 kg of sugar a day for 3 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.The average of 4 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  13. 13.Meera’s batting average after 5 innings is 45 runs. How many runs must Meera score in the next innings to raise the average to 46?
  14. 14.Farhan’s batting average after 9 innings is 46 runs. How many runs must Farhan score in the next innings to raise the average to 50?
  15. 15.Marks of 6 friends in a quiz: 60, 68, 59, 75, 60, 98. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 77, 93, 78, 80. What is their average mark?
  17. 17.The average weight of 10 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 23 kg of sugar a day for 6 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.The average of 5 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  20. 20.The average weight of 12 children is 31 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 4 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  22. 22.Marks of 6 friends in a quiz: 18, 25, 9, 25, 30, 13. What is their average mark?
  23. 23.The average weight of 8 children is 28 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 5 friends in a quiz: 60, 58, 43, 33, 36. What is their average mark?
  26. 26.The average of 7 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  27. 27.The average weight of 6 children is 39 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 5 friends in a quiz: 67, 55, 60, 61, 72. What is their average mark?
  29. 29.The average weight of 7 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 9 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 6 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  32. 32.Marks of 5 friends in a quiz: 27, 28, 42, 31, 72. What is their average mark?
  33. 33.The average weight of 9 children is 32 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 5 friends in a quiz: 37, 60, 47, 61, 50. What is their average mark?
  35. 35.Marks of 4 friends in a quiz: 66, 93, 73, 84. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 75, 75, 63, 47. What is their average mark?
  37. 37.A shop sells an average of 46 kg of sugar a day for 4 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.Arjun’s batting average after 10 innings is 25 runs. How many runs must Arjun score in the next innings to raise the average to 26?
  39. 39.The average of 6 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  40. 40.The average weight of 6 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 83
  2. 88
  3. 125
  4. 35
  5. 55
  6. 64
  7. 33
  8. 71
  9. 71
  10. 59
  11. 62
  12. 32
  13. 51
  14. 86
  15. 70
  16. 82
  17. 32
  18. 37
  19. 38
  20. 28
  21. 53
  22. 20
  23. 26
  24. 40
  25. 46
  26. 55
  27. 37
  28. 63
  29. 28
  30. 41
  31. 29
  32. 40
  33. 30
  34. 51
  35. 79
  36. 65
  37. 43
  38. 36
  39. 79
  40. 29

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