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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 678 · 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 10 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 5 children is 32 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 9 numbers is 31. When one more number is added, the average becomes 35. What number was added?
  4. 4.A shop sells an average of 37 kg of sugar a day for 6 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.The average of 9 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  6. 6.Vivaan’s batting average after 8 innings is 25 runs. How many runs must Vivaan score in the next innings to raise the average to 29?
  7. 7.The average weight of 7 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average of 7 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  9. 9.The average of 8 numbers is 32. When one more number is added, the average becomes 36. What number was added?
  10. 10.The average weight of 8 children is 29 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 25 kg of sugar a day for 2 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  12. 12.Kabir’s batting average after 6 innings is 30 runs. How many runs must Kabir score in the next innings to raise the average to 31?
  13. 13.Vivaan’s batting average after 7 innings is 43 runs. How many runs must Vivaan score in the next innings to raise the average to 46?
  14. 14.The average of 6 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  15. 15.Vivaan’s batting average after 5 innings is 39 runs. How many runs must Vivaan score in the next innings to raise the average to 41?
  16. 16.Vivaan’s batting average after 12 innings is 44 runs. How many runs must Vivaan score in the next innings to raise the average to 46?
  17. 17.Kabir’s batting average after 6 innings is 22 runs. How many runs must Kabir score in the next innings to raise the average to 23?
  18. 18.Marks of 4 friends in a quiz: 40, 15, 13, 40. What is their average mark?
  19. 19.A shop sells an average of 43 kg of sugar a day for 6 days, and then 22 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  20. 20.Priya’s batting average after 6 innings is 47 runs. How many runs must Priya score in the next innings to raise the average to 50?
  21. 21.Isha’s batting average after 7 innings is 26 runs. How many runs must Isha score in the next innings to raise the average to 30?
  22. 22.The average weight of 8 children is 35 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 4 friends in a quiz: 64, 59, 67, 22. What is their average mark?
  25. 25.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)?
  26. 26.Marks of 4 friends in a quiz: 38, 46, 29, 35. What is their average mark?
  27. 27.Aditya’s batting average after 9 innings is 44 runs. How many runs must Aditya score in the next innings to raise the average to 49?
  28. 28.The average of 6 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  29. 29.A shop sells an average of 47 kg of sugar a day for 3 days, and then 53 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  30. 30.Diya’s batting average after 14 innings is 37 runs. How many runs must Diya score in the next innings to raise the average to 40?
  31. 31.The average of 5 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  32. 32.A shop sells an average of 74 kg of sugar a day for 6 days, and then 40 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  33. 33.Marks of 5 friends in a quiz: 65, 60, 70, 73, 32. What is their average mark?
  34. 34.A shop sells an average of 27 kg of sugar a day for 6 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  35. 35.The average of 8 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  36. 36.A shop sells an average of 64 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)?
  37. 37.A shop sells an average of 49 kg of sugar a day for 6 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  38. 38.The average of 4 numbers is 44. When one more number is added, the average becomes 46. What number was added?
  39. 39.Vivaan’s batting average after 5 innings is 45 runs. How many runs must Vivaan score in the next innings to raise the average to 46?
  40. 40.Marks of 5 friends in a quiz: 86, 69, 83, 74, 48. What is their average mark?

Answer key

  1. 31
  2. 31
  3. 71
  4. 40
  5. 57
  6. 61
  7. 31
  8. 66
  9. 68
  10. 28
  11. 46
  12. 37
  13. 67
  14. 66
  15. 51
  16. 70
  17. 29
  18. 27
  19. 36
  20. 68
  21. 58
  22. 34
  23. 38
  24. 53
  25. 39
  26. 37
  27. 94
  28. 54
  29. 51
  30. 82
  31. 30
  32. 57
  33. 60
  34. 45
  35. 74
  36. 38
  37. 53
  38. 54
  39. 51
  40. 72

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