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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 21 · 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.

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  1. 1.Marks of 5 friends in a quiz: 80, 91, 83, 71, 60. What is their average mark?
  2. 2.The average of 8 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  3. 3.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)?
  4. 4.The average of 5 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  5. 5.Arjun’s batting average after 13 innings is 48 runs. How many runs must Arjun score in the next innings to raise the average to 52?
  6. 6.Marks of 4 friends in a quiz: 13, 11, 17, 51. What is their average mark?
  7. 7.Kabir’s batting average after 11 innings is 42 runs. How many runs must Kabir score in the next innings to raise the average to 47?
  8. 8.The average of 9 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  9. 9.The average weight of 11 children is 37 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 46 kg of sugar a day for 3 days, and then 42 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.A shop sells an average of 34 kg of sugar a day for 4 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.The average weight of 9 children is 33 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 65 kg of sugar a day for 3 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  14. 14.A shop sells an average of 46 kg of sugar a day for 3 days, and then 53 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  15. 15.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)?
  16. 16.The average of 5 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  17. 17.A shop sells an average of 58 kg of sugar a day for 6 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  18. 18.A shop sells an average of 38 kg of sugar a day for 3 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.A shop sells an average of 64 kg of sugar a day for 5 days, and then 38 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.The average weight of 12 children is 41 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 44 kg of sugar a day for 4 days, and then 30 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  22. 22.The average of 5 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  23. 23.The average weight of 5 children is 34 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Saanvi’s batting average after 15 innings is 46 runs. How many runs must Saanvi score in the next innings to raise the average to 48?
  25. 25.Marks of 4 friends in a quiz: 81, 76, 96, 91. What is their average mark?
  26. 26.A shop sells an average of 76 kg of sugar a day for 3 days, and then 74 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.The average of 6 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  28. 28.The average of 5 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  29. 29.Nisha’s batting average after 13 innings is 45 runs. How many runs must Nisha score in the next innings to raise the average to 47?
  30. 30.A shop sells an average of 58 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.Marks of 4 friends in a quiz: 38, 35, 45, 78. What is their average mark?
  32. 32.The average weight of 9 children is 45 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 6 numbers is 28. When one more number is added, the average becomes 31. What number was added?
  34. 34.A shop sells an average of 63 kg of sugar a day for 4 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  35. 35.The average of 8 numbers is 31. When one more number is added, the average becomes 32. What number was added?
  36. 36.A shop sells an average of 77 kg of sugar a day for 2 days, and then 80 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.The average weight of 6 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Diya’s batting average after 8 innings is 27 runs. How many runs must Diya score in the next innings to raise the average to 32?
  39. 39.The average of 7 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  40. 40.A shop sells an average of 40 kg of sugar a day for 4 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 77
  2. 47
  3. 45
  4. 85
  5. 104
  6. 23
  7. 102
  8. 49
  9. 34
  10. 44
  11. 37
  12. 30
  13. 57
  14. 50
  15. 31
  16. 36
  17. 41
  18. 59
  19. 51
  20. 39
  21. 38
  22. 66
  23. 32
  24. 78
  25. 86
  26. 75
  27. 64
  28. 69
  29. 73
  30. 68
  31. 49
  32. 42
  33. 49
  34. 43
  35. 40
  36. 79
  37. 29
  38. 72
  39. 39
  40. 39

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