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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 292 · 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 of 5 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  2. 2.Marks of 4 friends in a quiz: 27, 41, 16, 36. What is their average mark?
  3. 3.Arjun’s batting average after 10 innings is 28 runs. How many runs must Arjun score in the next innings to raise the average to 32?
  4. 4.A shop sells an average of 58 kg of sugar a day for 6 days, and then 52 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  5. 5.A shop sells an average of 24 kg of sugar a day for 3 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.A shop sells an average of 44 kg of sugar a day for 2 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  7. 7.Marks of 6 friends in a quiz: 55, 83, 80, 54, 81, 61. What is their average mark?
  8. 8.The average weight of 6 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 6 friends in a quiz: 31, 21, 16, 16, 34, 8. What is their average mark?
  10. 10.A shop sells an average of 23 kg of sugar a day for 2 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.A shop sells an average of 49 kg of sugar a day for 2 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  12. 12.A shop sells an average of 73 kg of sugar a day for 5 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  13. 13.The average of 4 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  14. 14.The average of 4 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  15. 15.A shop sells an average of 51 kg of sugar a day for 6 days, and then 79 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  16. 16.The average of 5 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  17. 17.The average weight of 10 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 63 kg of sugar a day for 2 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  19. 19.Ananya’s batting average after 11 innings is 25 runs. How many runs must Ananya score in the next innings to raise the average to 28?
  20. 20.Marks of 5 friends in a quiz: 81, 84, 77, 80, 88. What is their average mark?
  21. 21.Aarav’s batting average after 7 innings is 21 runs. How many runs must Aarav score in the next innings to raise the average to 26?
  22. 22.Kavya’s batting average after 8 innings is 49 runs. How many runs must Kavya score in the next innings to raise the average to 54?
  23. 23.The average weight of 8 children is 42 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 6 children is 29 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 5 friends in a quiz: 27, 20, 29, 25, 9. What is their average mark?
  27. 27.Marks of 4 friends in a quiz: 33, 53, 29, 57. What is their average mark?
  28. 28.A shop sells an average of 48 kg of sugar a day for 2 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.Marks of 4 friends in a quiz: 56, 57, 71, 76. What is their average mark?
  30. 30.A shop sells an average of 22 kg of sugar a day for 4 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.Kavya’s batting average after 9 innings is 37 runs. How many runs must Kavya score in the next innings to raise the average to 42?
  32. 32.Rohan’s batting average after 12 innings is 36 runs. How many runs must Rohan score in the next innings to raise the average to 41?
  33. 33.A shop sells an average of 80 kg of sugar a day for 4 days, and then 70 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  34. 34.Ishaan’s batting average after 13 innings is 20 runs. How many runs must Ishaan score in the next innings to raise the average to 21?
  35. 35.The average of 4 numbers is 41. When one more number is added, the average becomes 46. What number was added?
  36. 36.A shop sells an average of 58 kg of sugar a day for 2 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.A shop sells an average of 54 kg of sugar a day for 2 days, and then 38 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.Marks of 5 friends in a quiz: 48, 48, 58, 40, 56. What is their average mark?
  39. 39.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 6 children is 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 79
  2. 30
  3. 72
  4. 55
  5. 32
  6. 36
  7. 69
  8. 27
  9. 21
  10. 27
  11. 36
  12. 61
  13. 73
  14. 42
  15. 65
  16. 38
  17. 28
  18. 72
  19. 61
  20. 82
  21. 61
  22. 94
  23. 40
  24. 28
  25. 29
  26. 22
  27. 43
  28. 30
  29. 65
  30. 29
  31. 87
  32. 101
  33. 74
  34. 34
  35. 66
  36. 59
  37. 42
  38. 50
  39. 45
  40. 25

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