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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 377 · 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.Marks of 4 friends in a quiz: 39, 50, 50, 9. What is their average mark?
  2. 2.Karan’s batting average after 5 innings is 31 runs. How many runs must Karan score in the next innings to raise the average to 32?
  3. 3.The average weight of 9 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 4 friends in a quiz: 60, 58, 54, 92. What is their average mark?
  5. 5.Vivaan’s batting average after 11 innings is 21 runs. How many runs must Vivaan score in the next innings to raise the average to 23?
  6. 6.The average weight of 9 children is 39 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 49 kg of sugar a day for 6 days, and then 71 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  8. 8.The average of 9 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  9. 9.Marks of 4 friends in a quiz: 22, 24, 43, 39. What is their average mark?
  10. 10.The average of 6 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  11. 11.The average of 8 numbers is 37. When one more number is added, the average becomes 42. What number was added?
  12. 12.Isha’s batting average after 10 innings is 46 runs. How many runs must Isha score in the next innings to raise the average to 48?
  13. 13.Karan’s batting average after 8 innings is 40 runs. How many runs must Karan score in the next innings to raise the average to 45?
  14. 14.The average weight of 10 children is 33 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 5 friends in a quiz: 68, 74, 66, 79, 58. What is their average mark?
  16. 16.The average weight of 6 children is 33 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 5 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 32 kg of sugar a day for 2 days, and then 66 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.Marks of 4 friends in a quiz: 47, 22, 26, 37. What is their average mark?
  20. 20.Aarav’s batting average after 13 innings is 22 runs. How many runs must Aarav score in the next innings to raise the average to 25?
  21. 21.Karan’s batting average after 9 innings is 23 runs. How many runs must Karan score in the next innings to raise the average to 28?
  22. 22.Marks of 6 friends in a quiz: 36, 26, 16, 33, 14, 19. What is their average mark?
  23. 23.Pooja’s batting average after 9 innings is 21 runs. How many runs must Pooja score in the next innings to raise the average to 24?
  24. 24.The average weight of 12 children is 32 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 6 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  26. 26.A shop sells an average of 38 kg of sugar a day for 4 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.The average weight of 5 children is 33 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 5 friends in a quiz: 56, 68, 76, 76, 69. What is their average mark?
  29. 29.Ishaan’s batting average after 7 innings is 48 runs. How many runs must Ishaan score in the next innings to raise the average to 49?
  30. 30.Marks of 4 friends in a quiz: 32, 28, 15, 29. What is their average mark?
  31. 31.Zoya’s batting average after 7 innings is 39 runs. How many runs must Zoya score in the next innings to raise the average to 40?
  32. 32.Marks of 4 friends in a quiz: 78, 91, 70, 85. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 38, 30, 47, 33. What is their average mark?
  34. 34.A shop sells an average of 30 kg of sugar a day for 3 days, and then 62 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 6 children is 40 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 4 friends in a quiz: 40, 39, 54, 55. What is their average mark?
  38. 38.Marks of 4 friends in a quiz: 31, 55, 50, 44. What is their average mark?
  39. 39.A shop sells an average of 79 kg of sugar a day for 4 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.A shop sells an average of 60 kg of sugar a day for 3 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?

Answer key

  1. 37
  2. 37
  3. 35
  4. 66
  5. 45
  6. 37
  7. 59
  8. 27
  9. 32
  10. 30
  11. 82
  12. 68
  13. 85
  14. 30
  15. 69
  16. 30
  17. 26
  18. 49
  19. 33
  20. 64
  21. 73
  22. 24
  23. 51
  24. 29
  25. 23
  26. 32
  27. 31
  28. 69
  29. 56
  30. 26
  31. 47
  32. 81
  33. 37
  34. 46
  35. 31
  36. 39
  37. 47
  38. 45
  39. 54
  40. 56

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