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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 725 · 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 6 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  2. 2.The average weight of 7 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 11 children is 43 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 6 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  5. 5.Marks of 6 friends in a quiz: 79, 89, 61, 76, 75, 70. What is their average mark?
  6. 6.Marks of 6 friends in a quiz: 38, 37, 54, 48, 51, 36. What is their average mark?
  7. 7.A shop sells an average of 34 kg of sugar a day for 4 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  8. 8.A shop sells an average of 43 kg of sugar a day for 2 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  9. 9.The average of 5 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  10. 10.A shop sells an average of 54 kg of sugar a day for 4 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.A shop sells an average of 69 kg of sugar a day for 2 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.The average of 6 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  13. 13.Priya’s batting average after 7 innings is 40 runs. How many runs must Priya score in the next innings to raise the average to 42?
  14. 14.Marks of 5 friends in a quiz: 69, 71, 83, 72, 50. What is their average mark?
  15. 15.The average weight of 11 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 72 kg of sugar a day for 6 days, and then 54 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  17. 17.Aarav’s batting average after 14 innings is 48 runs. How many runs must Aarav score in the next innings to raise the average to 49?
  18. 18.The average weight of 7 children is 47 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Arjun’s batting average after 12 innings is 27 runs. How many runs must Arjun score in the next innings to raise the average to 28?
  20. 20.The average of 8 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  21. 21.Marks of 5 friends in a quiz: 43, 62, 61, 56, 38. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 42, 22, 19, 39, 15, 25. What is their average mark?
  23. 23.A shop sells an average of 78 kg of sugar a day for 2 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.The average of 7 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  25. 25.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)?
  26. 26.Karan’s batting average after 8 innings is 25 runs. How many runs must Karan score in the next innings to raise the average to 29?
  27. 27.Manav’s batting average after 5 innings is 25 runs. How many runs must Manav score in the next innings to raise the average to 27?
  28. 28.The average of 4 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  29. 29.The average weight of 5 children is 27 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 6 friends in a quiz: 76, 61, 77, 79, 68, 71. What is their average mark?
  31. 31.Isha’s batting average after 11 innings is 37 runs. How many runs must Isha score in the next innings to raise the average to 41?
  32. 32.Marks of 4 friends in a quiz: 95, 97, 90, 46. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 46, 39, 38, 61. What is their average mark?
  34. 34.The average of 7 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  35. 35.Marks of 6 friends in a quiz: 74, 75, 102, 82, 102, 93. What is their average mark?
  36. 36.The average weight of 7 children is 28 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 7 numbers is 57. When one more number is added, the average becomes 60. What number was added?
  38. 38.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 77 kg of sugar a day for 3 days, and then 53 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.Isha’s batting average after 6 innings is 29 runs. How many runs must Isha score in the next innings to raise the average to 33?

Answer key

  1. 41
  2. 43
  3. 41
  4. 51
  5. 75
  6. 44
  7. 35
  8. 34
  9. 34
  10. 49
  11. 47
  12. 61
  13. 56
  14. 69
  15. 44
  16. 63
  17. 63
  18. 44
  19. 40
  20. 45
  21. 52
  22. 27
  23. 75
  24. 28
  25. 26
  26. 61
  27. 37
  28. 62
  29. 26
  30. 72
  31. 85
  32. 82
  33. 46
  34. 81
  35. 88
  36. 27
  37. 81
  38. 37
  39. 61
  40. 57

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