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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 93 · 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.The average weight of 12 children is 29 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 8 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  3. 3.A shop sells an average of 29 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)?
  4. 4.A shop sells an average of 27 kg of sugar a day for 3 days, and then 75 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.Marks of 4 friends in a quiz: 92, 74, 93, 89. What is their average mark?
  6. 6.Rahul’s batting average after 13 innings is 20 runs. How many runs must Rahul score in the next innings to raise the average to 22?
  7. 7.A shop sells an average of 55 kg of sugar a day for 4 days, and then 49 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.A shop sells an average of 27 kg of sugar a day for 2 days, and then 72 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  9. 9.Marks of 6 friends in a quiz: 61, 49, 71, 68, 72, 27. What is their average mark?
  10. 10.Marks of 5 friends in a quiz: 69, 72, 77, 61, 36. What is their average mark?
  11. 11.The average of 7 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  12. 12.A shop sells an average of 28 kg of sugar a day for 3 days, and then 73 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 5 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  14. 14.A shop sells an average of 21 kg of sugar a day for 2 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  15. 15.Isha’s batting average after 11 innings is 47 runs. How many runs must Isha score in the next innings to raise the average to 51?
  16. 16.The average weight of 9 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 8 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  19. 19.A shop sells an average of 25 kg of sugar a day for 3 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  20. 20.The average weight of 7 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 56 kg of sugar a day for 2 days, and then 44 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  22. 22.A shop sells an average of 32 kg of sugar a day for 3 days, and then 62 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.Marks of 5 friends in a quiz: 23, 35, 37, 47, 38. What is their average mark?
  24. 24.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)?
  25. 25.Rahul’s batting average after 13 innings is 35 runs. How many runs must Rahul score in the next innings to raise the average to 40?
  26. 26.Priya’s batting average after 13 innings is 46 runs. How many runs must Priya score in the next innings to raise the average to 51?
  27. 27.The average weight of 9 children is 46 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 6 children is 48 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 6 friends in a quiz: 52, 44, 60, 53, 50, 35. What is their average mark?
  30. 30.Ananya’s batting average after 5 innings is 30 runs. How many runs must Ananya score in the next innings to raise the average to 35?
  31. 31.Marks of 4 friends in a quiz: 31, 21, 22, 70. What is their average mark?
  32. 32.The average of 8 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  33. 33.Ishaan’s batting average after 8 innings is 39 runs. How many runs must Ishaan score in the next innings to raise the average to 42?
  34. 34.Meera’s batting average after 9 innings is 41 runs. How many runs must Meera score in the next innings to raise the average to 45?
  35. 35.Marks of 4 friends in a quiz: 28, 49, 30, 61. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 13, 24, 29, 46. What is their average mark?
  37. 37.Marks of 5 friends in a quiz: 59, 55, 65, 57, 59. What is their average mark?
  38. 38.The average weight of 12 children is 42 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 5 friends in a quiz: 9, 21, 22, 25, 23. What is their average mark?
  40. 40.A shop sells an average of 43 kg of sugar a day for 2 days, and then 63 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 27
  2. 69
  3. 39
  4. 57
  5. 87
  6. 48
  7. 52
  8. 54
  9. 58
  10. 63
  11. 72
  12. 46
  13. 30
  14. 41
  15. 95
  16. 39
  17. 25
  18. 33
  19. 41
  20. 38
  21. 50
  22. 52
  23. 36
  24. 44
  25. 105
  26. 116
  27. 44
  28. 45
  29. 49
  30. 60
  31. 36
  32. 80
  33. 66
  34. 81
  35. 42
  36. 28
  37. 59
  38. 41
  39. 20
  40. 58

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