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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 54 · 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: 43, 29, 24, 51, 33. What is their average mark?
  2. 2.The average of 6 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  3. 3.The average of 8 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  4. 4.The average of 5 numbers is 42. When one more number is added, the average becomes 44. What number was added?
  5. 5.The average of 7 numbers is 59. When one more number is added, the average becomes 63. What number was added?
  6. 6.The average weight of 6 children is 34 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 73 kg of sugar a day for 6 days, and then 27 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 10 children is 41 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 8 children is 31 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 78 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)?
  11. 11.A shop sells an average of 22 kg of sugar a day for 4 days, and then 80 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  12. 12.Kabir’s batting average after 13 innings is 26 runs. How many runs must Kabir score in the next innings to raise the average to 31?
  13. 13.The average of 9 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  14. 14.Kabir’s batting average after 10 innings is 25 runs. How many runs must Kabir score in the next innings to raise the average to 27?
  15. 15.The average of 9 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  16. 16.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 44 kg of sugar a day for 2 days, and then 39 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  18. 18.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)?
  19. 19.The average of 6 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  20. 20.A shop sells an average of 76 kg of sugar a day for 4 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.The average of 5 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  22. 22.A shop sells an average of 67 kg of sugar a day for 2 days, and then 25 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  23. 23.The average weight of 7 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Kabir’s batting average after 11 innings is 20 runs. How many runs must Kabir score in the next innings to raise the average to 25?
  25. 25.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)?
  26. 26.Rohan’s batting average after 11 innings is 45 runs. How many runs must Rohan score in the next innings to raise the average to 50?
  27. 27.Marks of 5 friends in a quiz: 60, 60, 36, 43, 56. What is their average mark?
  28. 28.A shop sells an average of 49 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)?
  29. 29.Kabir’s batting average after 12 innings is 39 runs. How many runs must Kabir score in the next innings to raise the average to 40?
  30. 30.The average of 6 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  31. 31.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 55 kg of sugar a day for 6 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  33. 33.Marks of 6 friends in a quiz: 25, 17, 15, 19, 13, 61. What is their average mark?
  34. 34.A shop sells an average of 63 kg of sugar a day for 5 days, and then 27 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  35. 35.The average weight of 8 children is 31 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Kavya’s batting average after 7 innings is 42 runs. How many runs must Kavya score in the next innings to raise the average to 43?
  37. 37.Marks of 4 friends in a quiz: 21, 11, 36, 24. What is their average mark?
  38. 38.The average of 4 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  39. 39.Marks of 4 friends in a quiz: 63, 90, 82, 77. What is their average mark?
  40. 40.Ishaan’s batting average after 8 innings is 27 runs. How many runs must Ishaan score in the next innings to raise the average to 29?

Answer key

  1. 36
  2. 74
  3. 34
  4. 54
  5. 91
  6. 31
  7. 50
  8. 40
  9. 28
  10. 63
  11. 51
  12. 96
  13. 52
  14. 47
  15. 72
  16. 43
  17. 41
  18. 26
  19. 83
  20. 66
  21. 28
  22. 37
  23. 31
  24. 80
  25. 40
  26. 105
  27. 51
  28. 55
  29. 52
  30. 53
  31. 30
  32. 49
  33. 25
  34. 47
  35. 29
  36. 50
  37. 23
  38. 41
  39. 78
  40. 45

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