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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 538 · 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 5 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  2. 2.Marks of 6 friends in a quiz: 32, 39, 38, 12, 21, 8. What is their average mark?
  3. 3.Rahul’s batting average after 5 innings is 20 runs. How many runs must Rahul score in the next innings to raise the average to 25?
  4. 4.The average weight of 8 children is 44 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Priya’s batting average after 7 innings is 38 runs. How many runs must Priya score in the next innings to raise the average to 41?
  6. 6.The average weight of 8 children is 44 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 9 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  8. 8.The average weight of 5 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Pooja’s batting average after 15 innings is 21 runs. How many runs must Pooja score in the next innings to raise the average to 22?
  10. 10.A shop sells an average of 56 kg of sugar a day for 2 days, and then 66 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  11. 11.Marks of 6 friends in a quiz: 30, 30, 51, 39, 27, 63. What is their average mark?
  12. 12.A shop sells an average of 27 kg of sugar a day for 5 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  13. 13.The average of 6 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  14. 14.The average of 7 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  15. 15.Marks of 6 friends in a quiz: 83, 91, 101, 79, 78, 84. What is their average mark?
  16. 16.The average weight of 7 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 4 friends in a quiz: 68, 67, 71, 34. What is their average mark?
  18. 18.Marks of 5 friends in a quiz: 57, 74, 61, 60, 93. What is their average mark?
  19. 19.Zoya’s batting average after 8 innings is 50 runs. How many runs must Zoya score in the next innings to raise the average to 52?
  20. 20.The average of 4 numbers is 44. When one more number is added, the average becomes 48. What number was added?
  21. 21.A shop sells an average of 68 kg of sugar a day for 2 days, and then 44 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  22. 22.Arjun’s batting average after 10 innings is 49 runs. How many runs must Arjun score in the next innings to raise the average to 50?
  23. 23.A shop sells an average of 33 kg of sugar a day for 3 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.A shop sells an average of 30 kg of sugar a day for 3 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Meera’s batting average after 7 innings is 28 runs. How many runs must Meera score in the next innings to raise the average to 31?
  26. 26.A shop sells an average of 31 kg of sugar a day for 4 days, and then 61 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 11 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.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)?
  29. 29.Ishaan’s batting average after 9 innings is 47 runs. How many runs must Ishaan score in the next innings to raise the average to 52?
  30. 30.Marks of 5 friends in a quiz: 17, 43, 28, 27, 35. What is their average mark?
  31. 31.Marks of 5 friends in a quiz: 38, 54, 47, 37, 39. What is their average mark?
  32. 32.The average weight of 6 children is 37 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 11 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 5 friends in a quiz: 20, 20, 25, 20, 15. What is their average mark?
  36. 36.Ishaan’s batting average after 9 innings is 42 runs. How many runs must Ishaan score in the next innings to raise the average to 45?
  37. 37.The average of 5 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  38. 38.The average of 7 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  39. 39.A shop sells an average of 37 kg of sugar a day for 6 days, and then 67 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.Manav’s batting average after 12 innings is 24 runs. How many runs must Manav score in the next innings to raise the average to 27?

Answer key

  1. 28
  2. 25
  3. 50
  4. 43
  5. 62
  6. 42
  7. 68
  8. 33
  9. 37
  10. 62
  11. 40
  12. 33
  13. 26
  14. 55
  15. 86
  16. 26
  17. 60
  18. 69
  19. 68
  20. 64
  21. 56
  22. 60
  23. 35
  24. 31
  25. 52
  26. 41
  27. 45
  28. 34
  29. 97
  30. 30
  31. 43
  32. 34
  33. 26
  34. 39
  35. 20
  36. 72
  37. 78
  38. 82
  39. 47
  40. 63

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