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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 470 · 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.A shop sells an average of 56 kg of sugar a day for 2 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  2. 2.The average of 7 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  3. 3.Marks of 4 friends in a quiz: 66, 67, 86, 93. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 47, 49, 61, 35. What is their average mark?
  5. 5.The average of 7 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  6. 6.The average of 6 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  7. 7.A shop sells an average of 49 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)?
  8. 8.A shop sells an average of 41 kg of sugar a day for 2 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  9. 9.Vivaan’s batting average after 10 innings is 49 runs. How many runs must Vivaan score in the next innings to raise the average to 53?
  10. 10.The average of 5 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  11. 11.The average weight of 11 children is 39 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Aarav’s batting average after 8 innings is 20 runs. How many runs must Aarav score in the next innings to raise the average to 24?
  13. 13.A shop sells an average of 51 kg of sugar a day for 6 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  14. 14.The average weight of 6 children is 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 6 friends in a quiz: 52, 68, 60, 43, 39, 62. What is their average mark?
  16. 16.The average weight of 7 children is 29 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 6 friends in a quiz: 21, 38, 17, 21, 19, 28. What is their average mark?
  18. 18.The average weight of 8 children is 39 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Farhan’s batting average after 7 innings is 20 runs. How many runs must Farhan score in the next innings to raise the average to 21?
  20. 20.The average of 4 numbers is 59. When one more number is added, the average becomes 64. What number was added?
  21. 21.Isha’s batting average after 8 innings is 38 runs. How many runs must Isha score in the next innings to raise the average to 43?
  22. 22.Marks of 4 friends in a quiz: 72, 76, 60, 60. What is their average mark?
  23. 23.A shop sells an average of 48 kg of sugar a day for 3 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  24. 24.Marks of 5 friends in a quiz: 79, 94, 74, 91, 87. What is their average mark?
  25. 25.The average of 5 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  26. 26.The average weight of 5 children is 32 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average of 6 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  28. 28.A shop sells an average of 36 kg of sugar a day for 2 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  29. 29.Marks of 6 friends in a quiz: 84, 80, 56, 71, 65, 58. What is their average mark?
  30. 30.Ananya’s batting average after 8 innings is 22 runs. How many runs must Ananya score in the next innings to raise the average to 25?
  31. 31.A shop sells an average of 77 kg of sugar a day for 6 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  32. 32.A shop sells an average of 55 kg of sugar a day for 4 days, and then 48 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  33. 33.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 6 friends in a quiz: 51, 59, 54, 52, 70, 74. What is their average mark?
  35. 35.Marks of 5 friends in a quiz: 82, 97, 99, 86, 66. What is their average mark?
  36. 36.The average weight of 11 children is 35 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Isha’s batting average after 11 innings is 41 runs. How many runs must Isha score in the next innings to raise the average to 42?
  38. 38.The average of 5 numbers is 34. When one more number is added, the average becomes 36. What number was added?
  39. 39.Marks of 4 friends in a quiz: 85, 72, 73, 70. What is their average mark?
  40. 40.A shop sells an average of 46 kg of sugar a day for 2 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 48
  2. 23
  3. 78
  4. 48
  5. 48
  6. 48
  7. 34
  8. 45
  9. 93
  10. 64
  11. 38
  12. 56
  13. 60
  14. 25
  15. 54
  16. 28
  17. 24
  18. 38
  19. 28
  20. 84
  21. 83
  22. 67
  23. 56
  24. 85
  25. 94
  26. 31
  27. 77
  28. 27
  29. 69
  30. 49
  31. 50
  32. 52
  33. 27
  34. 60
  35. 86
  36. 33
  37. 53
  38. 46
  39. 75
  40. 37

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