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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 210 · 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 12 children is 43 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Diya’s batting average after 14 innings is 41 runs. How many runs must Diya score in the next innings to raise the average to 43?
  3. 3.Marks of 5 friends in a quiz: 44, 53, 69, 65, 54. What is their average mark?
  4. 4.The average of 7 numbers is 42. When one more number is added, the average becomes 48. What number was added?
  5. 5.The average weight of 8 children is 40 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 38 kg of sugar a day for 6 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  7. 7.The average of 5 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  8. 8.The average weight of 11 children is 45 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 58 kg of sugar a day for 6 days, and then 36 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  10. 10.Dev’s batting average after 5 innings is 44 runs. How many runs must Dev score in the next innings to raise the average to 47?
  11. 11.The average of 9 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  12. 12.Marks of 4 friends in a quiz: 84, 78, 88, 58. What is their average mark?
  13. 13.A shop sells an average of 40 kg of sugar a day for 2 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  14. 14.The average of 6 numbers is 44. When one more number is added, the average becomes 48. What number was added?
  15. 15.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)?
  16. 16.Marks of 4 friends in a quiz: 36, 32, 33, 19. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 68, 80, 54, 58. What is their average mark?
  18. 18.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)?
  19. 19.The average weight of 8 children is 44 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 7 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  21. 21.The average of 5 numbers is 59. When one more number is added, the average becomes 61. What number was added?
  22. 22.The average weight of 6 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 8 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  24. 24.The average of 8 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  25. 25.Zoya’s batting average after 8 innings is 30 runs. How many runs must Zoya score in the next innings to raise the average to 33?
  26. 26.Marks of 5 friends in a quiz: 70, 60, 74, 56, 75. What is their average mark?
  27. 27.A shop sells an average of 79 kg of sugar a day for 4 days, and then 27 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.Aarav’s batting average after 15 innings is 26 runs. How many runs must Aarav score in the next innings to raise the average to 27?
  29. 29.The average of 7 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  30. 30.Marks of 4 friends in a quiz: 43, 39, 26, 48. What is their average mark?
  31. 31.Kavya’s batting average after 13 innings is 40 runs. How many runs must Kavya score in the next innings to raise the average to 42?
  32. 32.A shop sells an average of 59 kg of sugar a day for 6 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  33. 33.The average of 7 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  34. 34.A shop sells an average of 49 kg of sugar a day for 6 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.Marks of 4 friends in a quiz: 66, 68, 78, 88. What is their average mark?
  36. 36.A shop sells an average of 71 kg of sugar a day for 4 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  37. 37.Kabir’s batting average after 8 innings is 46 runs. How many runs must Kabir score in the next innings to raise the average to 47?
  38. 38.The average of 5 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  39. 39.The average weight of 11 children is 48 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 6 friends in a quiz: 82, 81, 70, 74, 86, 93. What is their average mark?

Answer key

  1. 40
  2. 71
  3. 57
  4. 90
  5. 37
  6. 53
  7. 79
  8. 42
  9. 48
  10. 62
  11. 65
  12. 77
  13. 37
  14. 72
  15. 29
  16. 30
  17. 65
  18. 28
  19. 43
  20. 32
  21. 71
  22. 26
  23. 85
  24. 59
  25. 57
  26. 67
  27. 53
  28. 42
  29. 57
  30. 39
  31. 68
  32. 64
  33. 56
  34. 46
  35. 75
  36. 62
  37. 55
  38. 66
  39. 45
  40. 81

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