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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 424 · 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 8 children is 36 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 49 kg of sugar a day for 2 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 40, 43, 15, 14. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 53, 36, 50, 29, 27. What is their average mark?
  5. 5.Kavya’s batting average after 6 innings is 25 runs. How many runs must Kavya score in the next innings to raise the average to 29?
  6. 6.Aarav’s batting average after 15 innings is 22 runs. How many runs must Aarav score in the next innings to raise the average to 26?
  7. 7.Marks of 6 friends in a quiz: 64, 63, 68, 62, 49, 48. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 62, 78, 68, 75, 92. What is their average mark?
  9. 9.The average of 8 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  10. 10.The average weight of 8 children is 30 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 74 kg of sugar a day for 5 days, and then 34 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.The average weight of 7 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 72 kg of sugar a day for 4 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.A shop sells an average of 44 kg of sugar a day for 6 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.A shop sells an average of 54 kg of sugar a day for 6 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  16. 16.Pooja’s batting average after 8 innings is 26 runs. How many runs must Pooja score in the next innings to raise the average to 29?
  17. 17.Marks of 5 friends in a quiz: 61, 87, 60, 77, 75. What is their average mark?
  18. 18.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 11 children is 42 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Saanvi’s batting average after 13 innings is 28 runs. How many runs must Saanvi score in the next innings to raise the average to 30?
  21. 21.The average of 9 numbers is 54. When one more number is added, the average becomes 57. What number was added?
  22. 22.Ishaan’s batting average after 14 innings is 41 runs. How many runs must Ishaan score in the next innings to raise the average to 46?
  23. 23.Meera’s batting average after 15 innings is 31 runs. How many runs must Meera score in the next innings to raise the average to 35?
  24. 24.Marks of 5 friends in a quiz: 25, 40, 19, 26, 30. What is their average mark?
  25. 25.The average weight of 6 children is 35 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 6 friends in a quiz: 36, 9, 38, 22, 18, 15. What is their average mark?
  27. 27.A shop sells an average of 55 kg of sugar a day for 5 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  28. 28.Marks of 6 friends in a quiz: 25, 39, 21, 40, 33, 52. What is their average mark?
  29. 29.Rohan’s batting average after 14 innings is 24 runs. How many runs must Rohan score in the next innings to raise the average to 25?
  30. 30.Vivaan’s batting average after 5 innings is 47 runs. How many runs must Vivaan score in the next innings to raise the average to 52?
  31. 31.Marks of 6 friends in a quiz: 44, 40, 20, 26, 36, 38. What is their average mark?
  32. 32.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)?
  33. 33.The average weight of 8 children is 31 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 6 friends in a quiz: 91, 87, 81, 69, 81, 53. What is their average mark?
  35. 35.The average of 6 numbers is 54. When one more number is added, the average becomes 57. What number was added?
  36. 36.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)?
  37. 37.A shop sells an average of 60 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)?
  38. 38.Marks of 5 friends in a quiz: 30, 26, 43, 35, 56. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 29, 8, 10, 45. What is their average mark?
  40. 40.The average weight of 10 children is 31 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 35
  2. 57
  3. 28
  4. 39
  5. 53
  6. 86
  7. 59
  8. 75
  9. 50
  10. 27
  11. 54
  12. 34
  13. 69
  14. 45
  15. 45
  16. 53
  17. 72
  18. 25
  19. 40
  20. 56
  21. 84
  22. 116
  23. 95
  24. 28
  25. 32
  26. 23
  27. 49
  28. 35
  29. 39
  30. 77
  31. 34
  32. 28
  33. 29
  34. 77
  35. 75
  36. 29
  37. 66
  38. 38
  39. 23
  40. 28

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