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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 16 · 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 5 friends in a quiz: 41, 57, 63, 60, 29. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 89, 80, 65, 66. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 46, 44, 40, 14. What is their average mark?
  4. 4.A shop sells an average of 24 kg of sugar a day for 2 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.The average weight of 6 children is 37 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 11 children is 29 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Saanvi’s batting average after 6 innings is 39 runs. How many runs must Saanvi score in the next innings to raise the average to 44?
  8. 8.The average weight of 8 children is 47 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 31, 35, 12, 24, 33. What is their average mark?
  10. 10.A shop sells an average of 45 kg of sugar a day for 6 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  11. 11.The average weight of 7 children is 38 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Vivaan’s batting average after 11 innings is 27 runs. How many runs must Vivaan score in the next innings to raise the average to 29?
  13. 13.The average of 5 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  14. 14.Marks of 5 friends in a quiz: 16, 35, 16, 13, 50. What is their average mark?
  15. 15.The average of 4 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  16. 16.A shop sells an average of 34 kg of sugar a day for 2 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  17. 17.The average of 4 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  18. 18.The average weight of 12 children is 41 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Rohan’s batting average after 13 innings is 39 runs. How many runs must Rohan score in the next innings to raise the average to 43?
  21. 21.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)?
  22. 22.Marks of 5 friends in a quiz: 62, 59, 53, 54, 32. What is their average mark?
  23. 23.The average weight of 6 children is 32 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 4 friends in a quiz: 66, 54, 74, 74. What is their average mark?
  25. 25.The average of 8 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  26. 26.The average weight of 8 children is 36 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 4 friends in a quiz: 30, 38, 32, 24. What is their average mark?
  28. 28.A shop sells an average of 64 kg of sugar a day for 3 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.Marks of 6 friends in a quiz: 82, 87, 62, 63, 67, 83. What is their average mark?
  30. 30.Zoya’s batting average after 14 innings is 38 runs. How many runs must Zoya score in the next innings to raise the average to 39?
  31. 31.The average of 6 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  32. 32.Dev’s batting average after 8 innings is 22 runs. How many runs must Dev score in the next innings to raise the average to 24?
  33. 33.A shop sells an average of 51 kg of sugar a day for 2 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  34. 34.The average weight of 8 children is 27 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 5 friends in a quiz: 63, 75, 85, 90, 62. What is their average mark?
  36. 36.Marks of 5 friends in a quiz: 51, 57, 70, 64, 88. What is their average mark?
  37. 37.Marks of 4 friends in a quiz: 62, 41, 57, 60. What is their average mark?
  38. 38.The average of 7 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  39. 39.Vivaan’s batting average after 10 innings is 42 runs. How many runs must Vivaan score in the next innings to raise the average to 44?
  40. 40.The average weight of 5 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 50
  2. 75
  3. 36
  4. 40
  5. 36
  6. 26
  7. 74
  8. 44
  9. 27
  10. 52
  11. 36
  12. 51
  13. 44
  14. 26
  15. 25
  16. 28
  17. 66
  18. 40
  19. 45
  20. 95
  21. 44
  22. 52
  23. 29
  24. 67
  25. 56
  26. 34
  27. 31
  28. 46
  29. 74
  30. 53
  31. 64
  32. 40
  33. 43
  34. 26
  35. 75
  36. 66
  37. 55
  38. 51
  39. 64
  40. 38

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