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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 274 · 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 9 children is 42 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 36 kg of sugar a day for 2 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.Marks of 5 friends in a quiz: 73, 66, 54, 58, 74. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 46, 38, 56, 72. What is their average mark?
  5. 5.The average weight of 12 children is 34 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 5 friends in a quiz: 50, 27, 26, 25, 62. What is their average mark?
  7. 7.Ishaan’s batting average after 7 innings is 39 runs. How many runs must Ishaan score in the next innings to raise the average to 43?
  8. 8.A shop sells an average of 20 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)?
  9. 9.Karan’s batting average after 14 innings is 36 runs. How many runs must Karan score in the next innings to raise the average to 39?
  10. 10.The average weight of 8 children is 47 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 6 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  12. 12.The average of 5 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  13. 13.Marks of 6 friends in a quiz: 80, 89, 65, 90, 90, 42. What is their average mark?
  14. 14.The average of 8 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  15. 15.A shop sells an average of 25 kg of sugar a day for 5 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  16. 16.Marks of 6 friends in a quiz: 65, 79, 77, 72, 61, 72. What is their average mark?
  17. 17.A shop sells an average of 36 kg of sugar a day for 6 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.Marks of 5 friends in a quiz: 61, 43, 63, 47, 46. What is their average mark?
  19. 19.The average weight of 9 children is 30 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 5 friends in a quiz: 61, 46, 32, 52, 39. What is their average mark?
  21. 21.The average of 8 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  22. 22.A shop sells an average of 21 kg of sugar a day for 2 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.Marks of 4 friends in a quiz: 54, 38, 44, 28. What is their average mark?
  24. 24.A shop sells an average of 32 kg of sugar a day for 4 days, and then 25 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 84, 87, 79, 78, 87. What is their average mark?
  26. 26.The average weight of 7 children is 36 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Dev’s batting average after 8 innings is 46 runs. How many runs must Dev score in the next innings to raise the average to 47?
  28. 28.Marks of 4 friends in a quiz: 70, 58, 56, 84. What is their average mark?
  29. 29.The average of 4 numbers is 39. When one more number is added, the average becomes 41. What number was added?
  30. 30.The average weight of 5 children is 38 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 6 friends in a quiz: 44, 66, 40, 53, 66, 61. What is their average mark?
  32. 32.The average of 8 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  33. 33.Aditya’s batting average after 6 innings is 30 runs. How many runs must Aditya score in the next innings to raise the average to 31?
  34. 34.The average weight of 12 children is 41 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 7 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  36. 36.The average of 5 numbers is 21. When one more number is added, the average becomes 27. What number was added?
  37. 37.A shop sells an average of 22 kg of sugar a day for 6 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.The average weight of 11 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 4 friends in a quiz: 42, 43, 40, 71. What is their average mark?
  40. 40.A shop sells an average of 76 kg of sugar a day for 2 days, and then 52 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 40
  2. 42
  3. 65
  4. 53
  5. 32
  6. 38
  7. 71
  8. 50
  9. 81
  10. 45
  11. 38
  12. 60
  13. 76
  14. 91
  15. 43
  16. 71
  17. 48
  18. 52
  19. 28
  20. 46
  21. 83
  22. 35
  23. 41
  24. 29
  25. 83
  26. 33
  27. 55
  28. 67
  29. 49
  30. 37
  31. 55
  32. 113
  33. 37
  34. 39
  35. 46
  36. 57
  37. 34
  38. 42
  39. 49
  40. 58

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