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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 519 · 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.Priya’s batting average after 15 innings is 20 runs. How many runs must Priya score in the next innings to raise the average to 25?
  2. 2.The average weight of 6 children is 46 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 63 kg of sugar a day for 4 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.Marks of 6 friends in a quiz: 89, 96, 96, 99, 79, 51. What is their average mark?
  5. 5.The average of 5 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  6. 6.Marks of 5 friends in a quiz: 94, 76, 90, 80, 70. What is their average mark?
  7. 7.Rohan’s batting average after 15 innings is 45 runs. How many runs must Rohan score in the next innings to raise the average to 46?
  8. 8.Zoya’s batting average after 14 innings is 28 runs. How many runs must Zoya score in the next innings to raise the average to 32?
  9. 9.A shop sells an average of 52 kg of sugar a day for 2 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.Ishaan’s batting average after 15 innings is 41 runs. How many runs must Ishaan score in the next innings to raise the average to 45?
  11. 11.A shop sells an average of 22 kg of sugar a day for 3 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  12. 12.The average of 7 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  13. 13.The average of 5 numbers is 35. When one more number is added, the average becomes 39. What number was added?
  14. 14.The average of 5 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  15. 15.Marks of 4 friends in a quiz: 40, 28, 23, 25. What is their average mark?
  16. 16.The average of 4 numbers is 58. When one more number is added, the average becomes 60. What number was added?
  17. 17.Marks of 4 friends in a quiz: 36, 32, 23, 5. What is their average mark?
  18. 18.The average weight of 9 children is 40 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Priya’s batting average after 11 innings is 25 runs. How many runs must Priya score in the next innings to raise the average to 29?
  20. 20.The average of 4 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  21. 21.Kabir’s batting average after 13 innings is 28 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  22. 22.The average of 8 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  23. 23.Marks of 5 friends in a quiz: 33, 32, 43, 31, 91. What is their average mark?
  24. 24.Marks of 6 friends in a quiz: 39, 39, 35, 14, 17, 24. What is their average mark?
  25. 25.The average of 9 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  26. 26.The average weight of 7 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 6 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Zoya’s batting average after 13 innings is 48 runs. How many runs must Zoya score in the next innings to raise the average to 51?
  29. 29.A shop sells an average of 61 kg of sugar a day for 3 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 39, 46, 53, 30, 57. What is their average mark?
  31. 31.The average of 5 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  32. 32.Ishaan’s batting average after 12 innings is 22 runs. How many runs must Ishaan score in the next innings to raise the average to 23?
  33. 33.A shop sells an average of 74 kg of sugar a day for 3 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Marks of 4 friends in a quiz: 27, 28, 43, 26. What is their average mark?
  35. 35.A shop sells an average of 48 kg of sugar a day for 5 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  36. 36.Marks of 5 friends in a quiz: 56, 54, 69, 57, 79. What is their average mark?
  37. 37.The average weight of 7 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 4 friends in a quiz: 73, 79, 67, 45. What is their average mark?
  39. 39.The average of 6 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  40. 40.A shop sells an average of 46 kg of sugar a day for 6 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 100
  2. 43
  3. 50
  4. 85
  5. 51
  6. 82
  7. 61
  8. 88
  9. 39
  10. 105
  11. 30
  12. 105
  13. 59
  14. 57
  15. 29
  16. 68
  17. 24
  18. 37
  19. 73
  20. 42
  21. 84
  22. 85
  23. 46
  24. 28
  25. 32
  26. 27
  27. 27
  28. 90
  29. 43
  30. 45
  31. 25
  32. 35
  33. 72
  34. 31
  35. 54
  36. 63
  37. 40
  38. 66
  39. 24
  40. 48

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