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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 492 · 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 4 friends in a quiz: 40, 30, 43, 55. What is their average mark?
  2. 2.Ananya’s batting average after 15 innings is 35 runs. How many runs must Ananya score in the next innings to raise the average to 36?
  3. 3.Marks of 5 friends in a quiz: 49, 55, 54, 46, 36. What is their average mark?
  4. 4.A shop sells an average of 51 kg of sugar a day for 2 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.A shop sells an average of 47 kg of sugar a day for 4 days, and then 69 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.Marks of 4 friends in a quiz: 59, 80, 82, 47. What is their average mark?
  7. 7.A shop sells an average of 32 kg of sugar a day for 6 days, and then 80 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  8. 8.The average weight of 5 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 20 kg of sugar a day for 6 days, and then 70 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  10. 10.The average of 4 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  11. 11.Ishaan’s batting average after 8 innings is 37 runs. How many runs must Ishaan score in the next innings to raise the average to 42?
  12. 12.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)?
  13. 13.Marks of 6 friends in a quiz: 70, 67, 72, 74, 80, 45. What is their average mark?
  14. 14.Marks of 6 friends in a quiz: 28, 44, 32, 41, 21, 14. What is their average mark?
  15. 15.A shop sells an average of 73 kg of sugar a day for 2 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.Marks of 6 friends in a quiz: 25, 36, 39, 30, 46, 10. What is their average mark?
  17. 17.The average of 8 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  18. 18.A shop sells an average of 71 kg of sugar a day for 2 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.The average weight of 9 children is 32 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 9 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  21. 21.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 8 children is 42 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 5 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 4 numbers is 60. When one more number is added, the average becomes 66. What number was added?
  25. 25.The average of 6 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  26. 26.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 10 children is 29 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 24 kg of sugar a day for 2 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  29. 29.A shop sells an average of 37 kg of sugar a day for 4 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.A shop sells an average of 32 kg of sugar a day for 2 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  31. 31.Rahul’s batting average after 7 innings is 28 runs. How many runs must Rahul score in the next innings to raise the average to 32?
  32. 32.The average weight of 10 children is 26 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 8 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  34. 34.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 5 friends in a quiz: 58, 48, 40, 40, 69. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 41, 42, 39, 74. What is their average mark?
  37. 37.The average of 4 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  38. 38.Kavya’s batting average after 13 innings is 28 runs. How many runs must Kavya score in the next innings to raise the average to 32?
  39. 39.A shop sells an average of 34 kg of sugar a day for 3 days, and then 48 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.The average of 8 numbers is 24. When one more number is added, the average becomes 26. What number was added?

Answer key

  1. 42
  2. 51
  3. 48
  4. 45
  5. 58
  6. 67
  7. 56
  8. 41
  9. 40
  10. 37
  11. 82
  12. 26
  13. 68
  14. 30
  15. 53
  16. 31
  17. 51
  18. 65
  19. 30
  20. 89
  21. 30
  22. 40
  23. 34
  24. 90
  25. 67
  26. 45
  27. 28
  28. 45
  29. 49
  30. 28
  31. 60
  32. 25
  33. 93
  34. 35
  35. 51
  36. 49
  37. 61
  38. 84
  39. 41
  40. 42

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