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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 457 · 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 6 children is 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 7 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  3. 3.Marks of 4 friends in a quiz: 31, 30, 26, 73. What is their average mark?
  4. 4.Rohan’s batting average after 5 innings is 24 runs. How many runs must Rohan score in the next innings to raise the average to 25?
  5. 5.The average of 7 numbers is 46. When one more number is added, the average becomes 48. What number was added?
  6. 6.A shop sells an average of 59 kg of sugar a day for 6 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.A shop sells an average of 54 kg of sugar a day for 3 days, and then 30 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.The average of 6 numbers is 60. When one more number is added, the average becomes 62. What number was added?
  9. 9.Marks of 5 friends in a quiz: 45, 48, 21, 36, 30. What is their average mark?
  10. 10.A shop sells an average of 61 kg of sugar a day for 5 days, and then 21 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  11. 11.The average weight of 9 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Manav’s batting average after 11 innings is 42 runs. How many runs must Manav score in the next innings to raise the average to 47?
  13. 13.Dev’s batting average after 5 innings is 25 runs. How many runs must Dev score in the next innings to raise the average to 29?
  14. 14.The average weight of 12 children is 41 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 6 children is 41 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Diya’s batting average after 9 innings is 32 runs. How many runs must Diya score in the next innings to raise the average to 35?
  17. 17.The average of 4 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  18. 18.Marks of 4 friends in a quiz: 88, 81, 91, 64. What is their average mark?
  19. 19.A shop sells an average of 80 kg of sugar a day for 4 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.Ananya’s batting average after 5 innings is 40 runs. How many runs must Ananya score in the next innings to raise the average to 41?
  21. 21.The average of 5 numbers is 58. When one more number is added, the average becomes 63. What number was added?
  22. 22.The average of 8 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  23. 23.The average of 5 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  24. 24.A shop sells an average of 52 kg of sugar a day for 2 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.The average of 7 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  26. 26.A shop sells an average of 54 kg of sugar a day for 6 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  27. 27.A shop sells an average of 33 kg of sugar a day for 3 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  28. 28.A shop sells an average of 34 kg of sugar a day for 2 days, and then 55 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  29. 29.The average of 8 numbers is 44. When one more number is added, the average becomes 47. What number was added?
  30. 30.A shop sells an average of 31 kg of sugar a day for 3 days, and then 28 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  31. 31.Marks of 6 friends in a quiz: 19, 27, 45, 21, 44, 48. What is their average mark?
  32. 32.The average weight of 9 children is 32 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 36 kg of sugar a day for 2 days, and then 27 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Priya’s batting average after 9 innings is 20 runs. How many runs must Priya score in the next innings to raise the average to 24?
  35. 35.Marks of 6 friends in a quiz: 19, 28, 25, 25, 46, 55. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 53, 68, 65, 82. What is their average mark?
  37. 37.A shop sells an average of 35 kg of sugar a day for 6 days, and then 60 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  38. 38.The average of 4 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  39. 39.Ananya’s batting average after 14 innings is 31 runs. How many runs must Ananya score in the next innings to raise the average to 33?
  40. 40.Karan’s batting average after 7 innings is 44 runs. How many runs must Karan score in the next innings to raise the average to 47?

Answer key

  1. 25
  2. 42
  3. 40
  4. 30
  5. 62
  6. 46
  7. 39
  8. 74
  9. 36
  10. 41
  11. 41
  12. 102
  13. 49
  14. 38
  15. 38
  16. 62
  17. 35
  18. 81
  19. 62
  20. 46
  21. 88
  22. 80
  23. 30
  24. 46
  25. 105
  26. 55
  27. 29
  28. 49
  29. 71
  30. 29
  31. 34
  32. 30
  33. 30
  34. 60
  35. 33
  36. 67
  37. 45
  38. 70
  39. 61
  40. 68

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