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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 562 · 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 8 children is 41 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 8 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  3. 3.A shop sells an average of 37 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)?
  4. 4.Marks of 6 friends in a quiz: 51, 31, 39, 31, 51, 43. What is their average mark?
  5. 5.The average of 4 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  6. 6.The average weight of 12 children is 29 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Nisha’s batting average after 11 innings is 27 runs. How many runs must Nisha score in the next innings to raise the average to 29?
  8. 8.The average of 8 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  9. 9.The average of 6 numbers is 34. When one more number is added, the average becomes 36. What number was added?
  10. 10.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)?
  11. 11.Marks of 6 friends in a quiz: 48, 61, 56, 38, 55, 48. What is their average mark?
  12. 12.Kavya’s batting average after 9 innings is 31 runs. How many runs must Kavya score in the next innings to raise the average to 35?
  13. 13.The average weight of 11 children is 36 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 7 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 5 friends in a quiz: 49, 51, 52, 60, 43. What is their average mark?
  17. 17.Marks of 5 friends in a quiz: 69, 65, 78, 83, 70. What is their average mark?
  18. 18.Rohan’s batting average after 12 innings is 42 runs. How many runs must Rohan score in the next innings to raise the average to 43?
  19. 19.Priya’s batting average after 9 innings is 37 runs. How many runs must Priya score in the next innings to raise the average to 38?
  20. 20.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)?
  21. 21.The average weight of 12 children is 42 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 5 friends in a quiz: 66, 77, 57, 79, 71. What is their average mark?
  23. 23.The average of 6 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  24. 24.The average weight of 7 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Priya’s batting average after 15 innings is 28 runs. How many runs must Priya score in the next innings to raise the average to 31?
  26. 26.Marks of 5 friends in a quiz: 34, 28, 18, 8, 27. What is their average mark?
  27. 27.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 29 kg of sugar a day for 5 days, and then 79 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  29. 29.The average of 9 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  30. 30.Marks of 4 friends in a quiz: 35, 47, 38, 16. What is their average mark?
  31. 31.A shop sells an average of 66 kg of sugar a day for 4 days, and then 78 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.The average weight of 7 children is 44 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 7 children is 36 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 7 children is 47 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 8 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  36. 36.Marks of 4 friends in a quiz: 81, 97, 102, 76. What is their average mark?
  37. 37.The average weight of 7 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 9 numbers is 40. When one more number is added, the average becomes 41. What number was added?
  39. 39.The average weight of 6 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 4 numbers is 37. When one more number is added, the average becomes 38. What number was added?

Answer key

  1. 40
  2. 103
  3. 61
  4. 41
  5. 46
  6. 28
  7. 51
  8. 57
  9. 48
  10. 35
  11. 51
  12. 71
  13. 34
  14. 26
  15. 35
  16. 51
  17. 73
  18. 55
  19. 47
  20. 34
  21. 40
  22. 70
  23. 37
  24. 39
  25. 76
  26. 23
  27. 39
  28. 54
  29. 73
  30. 34
  31. 72
  32. 43
  33. 35
  34. 45
  35. 35
  36. 89
  37. 25
  38. 50
  39. 36
  40. 42

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