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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 654 · 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: 31, 27, 31, 32, 39, 44. What is their average mark?
  2. 2.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Ananya’s batting average after 7 innings is 44 runs. How many runs must Ananya score in the next innings to raise the average to 48?
  4. 4.Marks of 6 friends in a quiz: 61, 54, 53, 44, 50, 80. What is their average mark?
  5. 5.Marks of 6 friends in a quiz: 83, 72, 78, 87, 77, 89. What is their average mark?
  6. 6.The average of 4 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  7. 7.Meera’s batting average after 10 innings is 44 runs. How many runs must Meera score in the next innings to raise the average to 45?
  8. 8.The average weight of 12 children is 42 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 6 friends in a quiz: 47, 53, 30, 45, 32, 45. What is their average mark?
  10. 10.The average weight of 12 children is 47 kg. One child, who weighs 80 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average weight of 12 children is 34 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 50 kg of sugar a day for 3 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  13. 13.The average of 6 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  14. 14.A shop sells an average of 26 kg of sugar a day for 2 days, and then 40 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  15. 15.Aarav’s batting average after 8 innings is 37 runs. How many runs must Aarav score in the next innings to raise the average to 39?
  16. 16.Marks of 6 friends in a quiz: 63, 82, 78, 87, 81, 41. What is their average mark?
  17. 17.Rohan’s batting average after 5 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 45?
  18. 18.Marks of 5 friends in a quiz: 19, 26, 46, 19, 45. What is their average mark?
  19. 19.The average of 9 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  20. 20.The average of 8 numbers is 60. When one more number is added, the average becomes 63. What number was added?
  21. 21.Aarav’s batting average after 13 innings is 36 runs. How many runs must Aarav score in the next innings to raise the average to 37?
  22. 22.Marks of 5 friends in a quiz: 89, 66, 88, 65, 62. What is their average mark?
  23. 23.A shop sells an average of 28 kg of sugar a day for 4 days, and then 63 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  24. 24.A shop sells an average of 30 kg of sugar a day for 6 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  25. 25.Diya’s batting average after 12 innings is 31 runs. How many runs must Diya score in the next innings to raise the average to 32?
  26. 26.The average weight of 11 children is 44 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 10 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 6 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 44 kg of sugar a day for 2 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.A shop sells an average of 33 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)?
  31. 31.The average weight of 5 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 7 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  33. 33.Marks of 5 friends in a quiz: 68, 76, 92, 93, 71. What is their average mark?
  34. 34.The average weight of 6 children is 28 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 8 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  36. 36.Marks of 6 friends in a quiz: 56, 72, 48, 72, 52, 54. What is their average mark?
  37. 37.A shop sells an average of 60 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)?
  38. 38.A shop sells an average of 22 kg of sugar a day for 5 days, and then 46 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  39. 39.The average of 9 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  40. 40.A shop sells an average of 20 kg of sugar a day for 6 days, and then 42 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?

Answer key

  1. 34
  2. 27
  3. 76
  4. 57
  5. 81
  6. 60
  7. 55
  8. 40
  9. 42
  10. 44
  11. 31
  12. 44
  13. 23
  14. 36
  15. 55
  16. 72
  17. 55
  18. 31
  19. 49
  20. 87
  21. 50
  22. 74
  23. 43
  24. 51
  25. 44
  26. 41
  27. 36
  28. 38
  29. 35
  30. 34
  31. 28
  32. 38
  33. 80
  34. 27
  35. 34
  36. 59
  37. 44
  38. 34
  39. 67
  40. 30

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