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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 746 · 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 4 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  2. 2.A shop sells an average of 21 kg of sugar a day for 3 days, and then 27 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 40, 36, 36, 44. What is their average mark?
  4. 4.Manav’s batting average after 8 innings is 25 runs. How many runs must Manav score in the next innings to raise the average to 28?
  5. 5.Marks of 4 friends in a quiz: 83, 56, 72, 73. What is their average mark?
  6. 6.Kavya’s batting average after 15 innings is 46 runs. How many runs must Kavya score in the next innings to raise the average to 48?
  7. 7.Marks of 5 friends in a quiz: 85, 95, 85, 94, 66. What is their average mark?
  8. 8.Karan’s batting average after 9 innings is 45 runs. How many runs must Karan score in the next innings to raise the average to 47?
  9. 9.Rahul’s batting average after 13 innings is 49 runs. How many runs must Rahul score in the next innings to raise the average to 51?
  10. 10.A shop sells an average of 69 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.Diya’s batting average after 6 innings is 27 runs. How many runs must Diya score in the next innings to raise the average to 29?
  12. 12.A shop sells an average of 47 kg of sugar a day for 6 days, and then 77 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  13. 13.Pooja’s batting average after 10 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 25?
  14. 14.Marks of 6 friends in a quiz: 7, 25, 31, 20, 34, 15. What is their average mark?
  15. 15.The average weight of 11 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 12 children is 29 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 35 kg of sugar a day for 3 days, and then 77 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.The average of 9 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  19. 19.Marks of 4 friends in a quiz: 26, 54, 28, 52. What is their average mark?
  20. 20.Marks of 5 friends in a quiz: 34, 57, 56, 34, 29. What is their average mark?
  21. 21.Kabir’s batting average after 5 innings is 25 runs. How many runs must Kabir score in the next innings to raise the average to 26?
  22. 22.Marks of 4 friends in a quiz: 53, 69, 52, 46. What is their average mark?
  23. 23.The average weight of 8 children is 45 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 6 friends in a quiz: 61, 52, 45, 46, 50, 76. What is their average mark?
  25. 25.The average weight of 7 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 28 kg of sugar a day for 4 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.Marks of 5 friends in a quiz: 38, 48, 34, 23, 22. What is their average mark?
  28. 28.Tara’s batting average after 9 innings is 20 runs. How many runs must Tara score in the next innings to raise the average to 24?
  29. 29.Marks of 6 friends in a quiz: 81, 69, 92, 97, 76, 83. What is their average mark?
  30. 30.Kavya’s batting average after 15 innings is 28 runs. How many runs must Kavya score in the next innings to raise the average to 29?
  31. 31.The average of 8 numbers is 45. When one more number is added, the average becomes 51. What number was added?
  32. 32.The average weight of 5 children is 32 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 9 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  34. 34.The average of 5 numbers is 35. When one more number is added, the average becomes 40. What number was added?
  35. 35.The average weight of 6 children is 39 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 8 children is 41 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Aarav’s batting average after 7 innings is 43 runs. How many runs must Aarav score in the next innings to raise the average to 47?
  38. 38.Marks of 4 friends in a quiz: 85, 97, 71, 83. What is their average mark?
  39. 39.The average of 7 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  40. 40.Karan’s batting average after 14 innings is 49 runs. How many runs must Karan score in the next innings to raise the average to 50?

Answer key

  1. 31
  2. 25
  3. 39
  4. 52
  5. 71
  6. 78
  7. 85
  8. 65
  9. 77
  10. 45
  11. 41
  12. 57
  13. 55
  14. 22
  15. 40
  16. 28
  17. 56
  18. 116
  19. 40
  20. 42
  21. 31
  22. 55
  23. 43
  24. 55
  25. 37
  26. 45
  27. 33
  28. 60
  29. 83
  30. 44
  31. 99
  32. 31
  33. 75
  34. 65
  35. 38
  36. 40
  37. 75
  38. 84
  39. 51
  40. 64

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