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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 692 · 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 4 friends in a quiz: 76, 76, 84, 44. What is their average mark?
  2. 2.The average weight of 11 children is 45 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 5 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  4. 4.Rahul’s batting average after 13 innings is 28 runs. How many runs must Rahul score in the next innings to raise the average to 32?
  5. 5.Manav’s batting average after 13 innings is 37 runs. How many runs must Manav score in the next innings to raise the average to 38?
  6. 6.Marks of 4 friends in a quiz: 34, 24, 30, 44. What is their average mark?
  7. 7.Arjun’s batting average after 9 innings is 37 runs. How many runs must Arjun score in the next innings to raise the average to 41?
  8. 8.Arjun’s batting average after 10 innings is 29 runs. How many runs must Arjun score in the next innings to raise the average to 30?
  9. 9.Meera’s batting average after 12 innings is 41 runs. How many runs must Meera score in the next innings to raise the average to 42?
  10. 10.A shop sells an average of 59 kg of sugar a day for 2 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.Marks of 5 friends in a quiz: 87, 102, 77, 83, 96. What is their average mark?
  12. 12.The average of 9 numbers is 54. When one more number is added, the average becomes 57. What number was added?
  13. 13.The average of 7 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  14. 14.The average weight of 8 children is 28 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 6 friends in a quiz: 43, 60, 46, 58, 48, 15. What is their average mark?
  16. 16.A shop sells an average of 40 kg of sugar a day for 6 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  17. 17.Marks of 6 friends in a quiz: 10, 9, 13, 26, 22, 40. What is their average mark?
  18. 18.Marks of 6 friends in a quiz: 62, 76, 69, 88, 79, 82. What is their average mark?
  19. 19.The average weight of 10 children is 37 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Kavya’s batting average after 6 innings is 47 runs. How many runs must Kavya score in the next innings to raise the average to 49?
  21. 21.The average of 4 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  22. 22.Marks of 5 friends in a quiz: 42, 39, 37, 46, 91. What is their average mark?
  23. 23.A shop sells an average of 20 kg of sugar a day for 3 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  24. 24.Marks of 6 friends in a quiz: 31, 24, 29, 35, 32, 71. What is their average mark?
  25. 25.Marks of 5 friends in a quiz: 80, 86, 78, 89, 52. What is their average mark?
  26. 26.Aditya’s batting average after 13 innings is 39 runs. How many runs must Aditya score in the next innings to raise the average to 44?
  27. 27.Marks of 6 friends in a quiz: 41, 31, 30, 36, 24, 60. What is their average mark?
  28. 28.The average of 4 numbers is 52. When one more number is added, the average becomes 57. What number was added?
  29. 29.Marks of 5 friends in a quiz: 27, 46, 38, 38, 31. What is their average mark?
  30. 30.Ishaan’s batting average after 13 innings is 22 runs. How many runs must Ishaan score in the next innings to raise the average to 23?
  31. 31.Marks of 6 friends in a quiz: 13, 23, 11, 36, 37, 24. What is their average mark?
  32. 32.The average weight of 8 children is 30 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 5 friends in a quiz: 9, 23, 27, 13, 43. What is their average mark?
  34. 34.Marks of 5 friends in a quiz: 61, 45, 40, 44, 75. What is their average mark?
  35. 35.A shop sells an average of 65 kg of sugar a day for 6 days, and then 62 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  36. 36.Marks of 5 friends in a quiz: 31, 30, 48, 36, 25. What is their average mark?
  37. 37.The average weight of 10 children is 42 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 20 kg of sugar a day for 5 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  39. 39.The average weight of 6 children is 44 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 9 children is 34 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 70
  2. 43
  3. 29
  4. 84
  5. 51
  6. 33
  7. 77
  8. 40
  9. 54
  10. 41
  11. 89
  12. 84
  13. 74
  14. 26
  15. 45
  16. 36
  17. 20
  18. 76
  19. 34
  20. 61
  21. 59
  22. 51
  23. 24
  24. 37
  25. 77
  26. 109
  27. 37
  28. 77
  29. 36
  30. 36
  31. 24
  32. 27
  33. 23
  34. 53
  35. 64
  36. 34
  37. 41
  38. 30
  39. 41
  40. 31

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