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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 689 · 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 41 kg of sugar a day for 3 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.The average weight of 12 children is 39 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 64 kg of sugar a day for 4 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  4. 4.A shop sells an average of 24 kg of sugar a day for 3 days, and then 34 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.Marks of 5 friends in a quiz: 51, 23, 47, 53, 16. What is their average mark?
  6. 6.The average weight of 6 children is 42 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Rohan’s batting average after 10 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 30?
  9. 9.The average of 7 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  10. 10.A shop sells an average of 31 kg of sugar a day for 2 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  11. 11.Isha’s batting average after 15 innings is 40 runs. How many runs must Isha score in the next innings to raise the average to 41?
  12. 12.A shop sells an average of 55 kg of sugar a day for 6 days, and then 37 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  13. 13.The average of 4 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  14. 14.The average of 7 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  15. 15.The average of 9 numbers is 21. When one more number is added, the average becomes 27. What number was added?
  16. 16.A shop sells an average of 58 kg of sugar a day for 3 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.Pooja’s batting average after 13 innings is 33 runs. How many runs must Pooja score in the next innings to raise the average to 38?
  18. 18.Marks of 5 friends in a quiz: 26, 51, 33, 53, 37. What is their average mark?
  19. 19.Vivaan’s batting average after 6 innings is 21 runs. How many runs must Vivaan score in the next innings to raise the average to 24?
  20. 20.A shop sells an average of 61 kg of sugar a day for 2 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  21. 21.The average weight of 7 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Rahul’s batting average after 14 innings is 38 runs. How many runs must Rahul score in the next innings to raise the average to 40?
  23. 23.Isha’s batting average after 5 innings is 32 runs. How many runs must Isha score in the next innings to raise the average to 36?
  24. 24.A shop sells an average of 67 kg of sugar a day for 5 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  25. 25.Karan’s batting average after 12 innings is 24 runs. How many runs must Karan score in the next innings to raise the average to 27?
  26. 26.The average of 6 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  27. 27.A shop sells an average of 55 kg of sugar a day for 5 days, and then 71 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  28. 28.The average weight of 6 children is 41 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Ananya’s batting average after 9 innings is 25 runs. How many runs must Ananya score in the next innings to raise the average to 29?
  30. 30.Marks of 6 friends in a quiz: 33, 37, 51, 29, 23, 49. What is their average mark?
  31. 31.Ishaan’s batting average after 11 innings is 33 runs. How many runs must Ishaan score in the next innings to raise the average to 35?
  32. 32.The average weight of 12 children is 42 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 8 numbers is 31. When one more number is added, the average becomes 32. What number was added?
  34. 34.A shop sells an average of 70 kg of sugar a day for 2 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  35. 35.Marks of 4 friends in a quiz: 101, 98, 75, 78. What is their average mark?
  36. 36.A shop sells an average of 25 kg of sugar a day for 4 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.The average weight of 6 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 6 friends in a quiz: 7, 18, 30, 8, 8, 49. What is their average mark?
  40. 40.The average weight of 8 children is 28 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 32
  2. 37
  3. 70
  4. 29
  5. 38
  6. 41
  7. 33
  8. 60
  9. 58
  10. 40
  11. 56
  12. 46
  13. 42
  14. 62
  15. 81
  16. 36
  17. 103
  18. 40
  19. 42
  20. 43
  21. 41
  22. 68
  23. 56
  24. 71
  25. 63
  26. 33
  27. 63
  28. 38
  29. 65
  30. 37
  31. 57
  32. 39
  33. 40
  34. 46
  35. 88
  36. 24
  37. 28
  38. 37
  39. 20
  40. 26

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