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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 355 · 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 5 friends in a quiz: 33, 28, 27, 39, 43. What is their average mark?
  2. 2.Marks of 5 friends in a quiz: 29, 33, 46, 37, 45. What is their average mark?
  3. 3.Sneha’s batting average after 6 innings is 45 runs. How many runs must Sneha score in the next innings to raise the average to 47?
  4. 4.A shop sells an average of 47 kg of sugar a day for 3 days, and then 77 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  5. 5.The average weight of 7 children is 35 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 6 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 10 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average of 4 numbers is 30. When one more number is added, the average becomes 32. What number was added?
  9. 9.Ananya’s batting average after 14 innings is 33 runs. How many runs must Ananya score in the next innings to raise the average to 38?
  10. 10.Aditya’s batting average after 14 innings is 48 runs. How many runs must Aditya score in the next innings to raise the average to 49?
  11. 11.The average of 9 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  12. 12.Tara’s batting average after 12 innings is 32 runs. How many runs must Tara score in the next innings to raise the average to 33?
  13. 13.The average weight of 11 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 11 children is 33 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 5 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  16. 16.A shop sells an average of 29 kg of sugar a day for 2 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  17. 17.The average of 7 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  18. 18.A shop sells an average of 64 kg of sugar a day for 3 days, and then 28 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  19. 19.The average weight of 11 children is 31 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 41 kg of sugar a day for 6 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  21. 21.The average weight of 5 children is 46 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Arjun’s batting average after 10 innings is 48 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  23. 23.Marks of 4 friends in a quiz: 56, 44, 41, 75. What is their average mark?
  24. 24.Marks of 4 friends in a quiz: 44, 65, 56, 71. What is their average mark?
  25. 25.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)?
  26. 26.Marks of 5 friends in a quiz: 48, 34, 26, 29, 43. What is their average mark?
  27. 27.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 8 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  29. 29.The average of 5 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  30. 30.The average weight of 10 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 9 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  32. 32.Karan’s batting average after 11 innings is 31 runs. How many runs must Karan score in the next innings to raise the average to 33?
  33. 33.Marks of 4 friends in a quiz: 93, 98, 78, 71. What is their average mark?
  34. 34.Zoya’s batting average after 6 innings is 27 runs. How many runs must Zoya score in the next innings to raise the average to 31?
  35. 35.Karan’s batting average after 7 innings is 38 runs. How many runs must Karan score in the next innings to raise the average to 40?
  36. 36.A shop sells an average of 49 kg of sugar a day for 4 days, and then 77 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  37. 37.The average weight of 6 children is 32 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 5 friends in a quiz: 47, 40, 62, 39, 52. What is their average mark?
  39. 39.A shop sells an average of 80 kg of sugar a day for 2 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.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)?

Answer key

  1. 34
  2. 38
  3. 59
  4. 67
  5. 33
  6. 32
  7. 30
  8. 40
  9. 108
  10. 63
  11. 47
  12. 45
  13. 26
  14. 30
  15. 31
  16. 59
  17. 48
  18. 40
  19. 29
  20. 44
  21. 45
  22. 81
  23. 54
  24. 59
  25. 38
  26. 36
  27. 44
  28. 77
  29. 30
  30. 44
  31. 61
  32. 55
  33. 85
  34. 55
  35. 54
  36. 61
  37. 29
  38. 48
  39. 47
  40. 25

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