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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 381 · 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.Isha’s batting average after 8 innings is 36 runs. How many runs must Isha score in the next innings to raise the average to 37?
  2. 2.Marks of 6 friends in a quiz: 78, 94, 77, 91, 67, 73. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 95, 90, 91, 44. What is their average mark?
  4. 4.Ananya’s batting average after 14 innings is 23 runs. How many runs must Ananya score in the next innings to raise the average to 26?
  5. 5.A shop sells an average of 33 kg of sugar a day for 5 days, and then 29 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.Zoya’s batting average after 9 innings is 28 runs. How many runs must Zoya score in the next innings to raise the average to 29?
  7. 7.Marks of 6 friends in a quiz: 51, 39, 34, 42, 48, 26. What is their average mark?
  8. 8.The average of 9 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  9. 9.A shop sells an average of 70 kg of sugar a day for 2 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.The average of 8 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  11. 11.A shop sells an average of 65 kg of sugar a day for 5 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.The average of 5 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  13. 13.Tara’s batting average after 15 innings is 20 runs. How many runs must Tara score in the next innings to raise the average to 25?
  14. 14.The average of 5 numbers is 55. When one more number is added, the average becomes 56. What number was added?
  15. 15.The average weight of 7 children is 47 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 6 friends in a quiz: 9, 29, 24, 17, 11, 42. What is their average mark?
  17. 17.Marks of 5 friends in a quiz: 56, 45, 61, 47, 31. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 70, 54, 60, 88. What is their average mark?
  19. 19.The average weight of 12 children is 34 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Farhan’s batting average after 5 innings is 30 runs. How many runs must Farhan score in the next innings to raise the average to 34?
  21. 21.Nisha’s batting average after 15 innings is 25 runs. How many runs must Nisha score in the next innings to raise the average to 26?
  22. 22.The average weight of 8 children is 27 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 5 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Farhan’s batting average after 6 innings is 27 runs. How many runs must Farhan score in the next innings to raise the average to 29?
  25. 25.A shop sells an average of 68 kg of sugar a day for 3 days, and then 26 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  26. 26.A shop sells an average of 45 kg of sugar a day for 5 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  27. 27.Marks of 6 friends in a quiz: 44, 38, 42, 57, 47, 54. What is their average mark?
  28. 28.Marks of 6 friends in a quiz: 13, 19, 9, 8, 11, 66. What is their average mark?
  29. 29.The average weight of 5 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 7 children is 27 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 4 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  33. 33.Vivaan’s batting average after 12 innings is 45 runs. How many runs must Vivaan score in the next innings to raise the average to 49?
  34. 34.A shop sells an average of 65 kg of sugar a day for 4 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  35. 35.The average weight of 12 children is 30 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Ishaan’s batting average after 6 innings is 32 runs. How many runs must Ishaan score in the next innings to raise the average to 34?
  37. 37.The average of 4 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  38. 38.Marks of 6 friends in a quiz: 67, 79, 67, 51, 54, 78. What is their average mark?
  39. 39.Marks of 6 friends in a quiz: 49, 65, 45, 51, 44, 82. What is their average mark?
  40. 40.A shop sells an average of 37 kg of sugar a day for 2 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

Answer key

  1. 45
  2. 80
  3. 80
  4. 68
  5. 31
  6. 38
  7. 40
  8. 46
  9. 72
  10. 72
  11. 49
  12. 51
  13. 100
  14. 61
  15. 44
  16. 22
  17. 48
  18. 68
  19. 33
  20. 54
  21. 41
  22. 25
  23. 25
  24. 41
  25. 40
  26. 51
  27. 47
  28. 21
  29. 35
  30. 26
  31. 26
  32. 45
  33. 97
  34. 44
  35. 29
  36. 46
  37. 47
  38. 66
  39. 56
  40. 58

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