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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 684 · 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 of 9 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  2. 2.Kavya’s batting average after 14 innings is 39 runs. How many runs must Kavya score in the next innings to raise the average to 40?
  3. 3.The average of 9 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  4. 4.A shop sells an average of 65 kg of sugar a day for 5 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  5. 5.The average of 6 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  6. 6.Marks of 6 friends in a quiz: 70, 68, 58, 48, 61, 25. What is their average mark?
  7. 7.Manav’s batting average after 8 innings is 40 runs. How many runs must Manav score in the next innings to raise the average to 41?
  8. 8.Priya’s batting average after 11 innings is 22 runs. How many runs must Priya score in the next innings to raise the average to 27?
  9. 9.Arjun’s batting average after 8 innings is 50 runs. How many runs must Arjun score in the next innings to raise the average to 53?
  10. 10.A shop sells an average of 38 kg of sugar a day for 4 days, and then 20 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  11. 11.The average weight of 5 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 9 numbers is 44. When one more number is added, the average becomes 48. What number was added?
  13. 13.The average weight of 7 children is 38 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 7 children is 39 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Isha’s batting average after 5 innings is 31 runs. How many runs must Isha score in the next innings to raise the average to 35?
  16. 16.The average weight of 6 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 6 children is 44 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 34 kg of sugar a day for 2 days, and then 58 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.A shop sells an average of 60 kg of sugar a day for 4 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.The average of 8 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  21. 21.Dev’s batting average after 12 innings is 21 runs. How many runs must Dev score in the next innings to raise the average to 26?
  22. 22.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 5 friends in a quiz: 22, 24, 31, 27, 11. What is their average mark?
  24. 24.The average weight of 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 5 numbers is 32. When one more number is added, the average becomes 36. What number was added?
  26. 26.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 6 friends in a quiz: 44, 42, 43, 47, 59, 83. What is their average mark?
  28. 28.The average of 4 numbers is 41. When one more number is added, the average becomes 42. What number was added?
  29. 29.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)?
  30. 30.Karan’s batting average after 8 innings is 43 runs. How many runs must Karan score in the next innings to raise the average to 46?
  31. 31.Ananya’s batting average after 7 innings is 28 runs. How many runs must Ananya score in the next innings to raise the average to 31?
  32. 32.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)?
  33. 33.A shop sells an average of 60 kg of sugar a day for 2 days, and then 24 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.A shop sells an average of 65 kg of sugar a day for 3 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  35. 35.Aditya’s batting average after 8 innings is 34 runs. How many runs must Aditya score in the next innings to raise the average to 38?
  36. 36.A shop sells an average of 30 kg of sugar a day for 6 days, and then 76 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  37. 37.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)?
  38. 38.Marks of 4 friends in a quiz: 27, 34, 34, 57. What is their average mark?
  39. 39.A shop sells an average of 20 kg of sugar a day for 6 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.The average of 7 numbers is 39. When one more number is added, the average becomes 40. What number was added?

Answer key

  1. 108
  2. 54
  3. 49
  4. 69
  5. 50
  6. 55
  7. 49
  8. 82
  9. 77
  10. 28
  11. 37
  12. 84
  13. 37
  14. 38
  15. 55
  16. 25
  17. 41
  18. 50
  19. 48
  20. 90
  21. 86
  22. 27
  23. 23
  24. 39
  25. 56
  26. 36
  27. 53
  28. 46
  29. 38
  30. 70
  31. 52
  32. 44
  33. 36
  34. 63
  35. 70
  36. 53
  37. 40
  38. 38
  39. 40
  40. 47

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