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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 312 · 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.A shop sells an average of 78 kg of sugar a day for 4 days, and then 22 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.A shop sells an average of 39 kg of sugar a day for 4 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Manav’s batting average after 15 innings is 48 runs. How many runs must Manav score in the next innings to raise the average to 52?
  4. 4.The average weight of 11 children is 35 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 8 children is 37 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 6 friends in a quiz: 28, 28, 45, 43, 50, 40. What is their average mark?
  7. 7.Meera’s batting average after 13 innings is 40 runs. How many runs must Meera score in the next innings to raise the average to 41?
  8. 8.Karan’s batting average after 9 innings is 39 runs. How many runs must Karan score in the next innings to raise the average to 43?
  9. 9.The average weight of 7 children is 40 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Arjun’s batting average after 14 innings is 31 runs. How many runs must Arjun score in the next innings to raise the average to 34?
  11. 11.Ishaan’s batting average after 15 innings is 49 runs. How many runs must Ishaan score in the next innings to raise the average to 54?
  12. 12.The average weight of 7 children is 47 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average weight of 12 children is 33 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 37 kg of sugar a day for 6 days, and then 27 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.The average of 5 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  16. 16.Manav’s batting average after 8 innings is 36 runs. How many runs must Manav score in the next innings to raise the average to 39?
  17. 17.Tara’s batting average after 6 innings is 33 runs. How many runs must Tara score in the next innings to raise the average to 34?
  18. 18.The average of 8 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  19. 19.A shop sells an average of 20 kg of sugar a day for 3 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.The average of 4 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  21. 21.Marks of 4 friends in a quiz: 95, 83, 90, 60. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 72, 70, 56, 57, 45. What is their average mark?
  23. 23.The average weight of 5 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 6 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  25. 25.The average of 5 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  26. 26.Ishaan’s batting average after 10 innings is 39 runs. How many runs must Ishaan score in the next innings to raise the average to 42?
  27. 27.Marks of 4 friends in a quiz: 51, 62, 52, 63. What is their average mark?
  28. 28.Isha’s batting average after 8 innings is 49 runs. How many runs must Isha score in the next innings to raise the average to 51?
  29. 29.The average of 8 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  30. 30.Marks of 6 friends in a quiz: 59, 49, 50, 56, 58, 22. What is their average mark?
  31. 31.The average weight of 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 4 friends in a quiz: 41, 61, 64, 58. What is their average mark?
  33. 33.Farhan’s batting average after 13 innings is 31 runs. How many runs must Farhan score in the next innings to raise the average to 33?
  34. 34.A shop sells an average of 49 kg of sugar a day for 6 days, and then 52 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  35. 35.A shop sells an average of 29 kg of sugar a day for 6 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.The average of 5 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  37. 37.Pooja’s batting average after 5 innings is 39 runs. How many runs must Pooja score in the next innings to raise the average to 44?
  38. 38.A shop sells an average of 35 kg of sugar a day for 3 days, and then 77 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  39. 39.A shop sells an average of 42 kg of sugar a day for 3 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.Marks of 5 friends in a quiz: 55, 53, 49, 40, 28. What is their average mark?

Answer key

  1. 50
  2. 41
  3. 112
  4. 32
  5. 36
  6. 39
  7. 54
  8. 79
  9. 37
  10. 76
  11. 129
  12. 44
  13. 30
  14. 32
  15. 58
  16. 63
  17. 40
  18. 56
  19. 40
  20. 58
  21. 82
  22. 60
  23. 37
  24. 60
  25. 46
  26. 72
  27. 57
  28. 67
  29. 77
  30. 49
  31. 45
  32. 56
  33. 59
  34. 50
  35. 40
  36. 45
  37. 69
  38. 63
  39. 52
  40. 45

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