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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 708 · 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 9 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  2. 2.The average of 6 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  3. 3.The average of 9 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  4. 4.Kabir’s batting average after 12 innings is 31 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  5. 5.Marks of 5 friends in a quiz: 19, 25, 25, 45, 56. What is their average mark?
  6. 6.The average of 6 numbers is 35. When one more number is added, the average becomes 39. What number was added?
  7. 7.The average of 4 numbers is 29. When one more number is added, the average becomes 34. What number was added?
  8. 8.Marks of 5 friends in a quiz: 93, 67, 81, 86, 73. What is their average mark?
  9. 9.A shop sells an average of 31 kg of sugar a day for 5 days, and then 40 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  10. 10.A shop sells an average of 24 kg of sugar a day for 4 days, and then 64 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  11. 11.The average weight of 5 children is 28 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Arjun’s batting average after 7 innings is 46 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  13. 13.Marks of 4 friends in a quiz: 11, 29, 22, 30. What is their average mark?
  14. 14.Manav’s batting average after 5 innings is 26 runs. How many runs must Manav score in the next innings to raise the average to 31?
  15. 15.A shop sells an average of 79 kg of sugar a day for 2 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.Aarav’s batting average after 8 innings is 40 runs. How many runs must Aarav score in the next innings to raise the average to 42?
  17. 17.The average weight of 11 children is 44 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 4 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  19. 19.Marks of 5 friends in a quiz: 71, 92, 90, 84, 48. What is their average mark?
  20. 20.Karan’s batting average after 8 innings is 31 runs. How many runs must Karan score in the next innings to raise the average to 32?
  21. 21.Vivaan’s batting average after 9 innings is 46 runs. How many runs must Vivaan score in the next innings to raise the average to 50?
  22. 22.A shop sells an average of 74 kg of sugar a day for 4 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.Marks of 5 friends in a quiz: 23, 27, 25, 18, 57. What is their average mark?
  24. 24.The average weight of 6 children is 34 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 9 children is 37 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 6 friends in a quiz: 81, 88, 92, 78, 68, 79. What is their average mark?
  27. 27.A shop sells an average of 40 kg of sugar a day for 3 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  28. 28.The average weight of 7 children is 36 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 4 friends in a quiz: 28, 28, 50, 58. What is their average mark?
  30. 30.The average of 6 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  31. 31.The average weight of 5 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 7 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Isha’s batting average after 13 innings is 28 runs. How many runs must Isha score in the next innings to raise the average to 32?
  34. 34.Marks of 6 friends in a quiz: 35, 49, 49, 32, 36, 63. What is their average mark?
  35. 35.Marks of 5 friends in a quiz: 57, 45, 51, 42, 70. What is their average mark?
  36. 36.A shop sells an average of 45 kg of sugar a day for 2 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  37. 37.Marks of 4 friends in a quiz: 45, 41, 47, 43. What is their average mark?
  38. 38.A shop sells an average of 41 kg of sugar a day for 5 days, and then 68 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  39. 39.Marks of 4 friends in a quiz: 102, 102, 103, 53. What is their average mark?
  40. 40.Kabir’s batting average after 11 innings is 48 runs. How many runs must Kabir score in the next innings to raise the average to 49?

Answer key

  1. 28
  2. 74
  3. 97
  4. 44
  5. 34
  6. 63
  7. 54
  8. 80
  9. 35
  10. 48
  11. 27
  12. 86
  13. 23
  14. 56
  15. 49
  16. 58
  17. 42
  18. 41
  19. 77
  20. 40
  21. 86
  22. 63
  23. 30
  24. 33
  25. 35
  26. 81
  27. 58
  28. 35
  29. 41
  30. 91
  31. 41
  32. 32
  33. 84
  34. 44
  35. 53
  36. 30
  37. 44
  38. 53
  39. 90
  40. 60

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