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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 167 · 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.Marks of 6 friends in a quiz: 81, 59, 63, 78, 65, 68. What is their average mark?
  2. 2.A shop sells an average of 32 kg of sugar a day for 2 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.The average weight of 9 children is 36 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 10 children is 32 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 6 friends in a quiz: 99, 97, 79, 89, 94, 58. What is their average mark?
  6. 6.Aarav’s batting average after 8 innings is 46 runs. How many runs must Aarav score in the next innings to raise the average to 48?
  7. 7.The average of 7 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  8. 8.The average weight of 12 children is 34 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 11 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Saanvi’s batting average after 7 innings is 39 runs. How many runs must Saanvi score in the next innings to raise the average to 44?
  11. 11.Aarav’s batting average after 14 innings is 28 runs. How many runs must Aarav score in the next innings to raise the average to 30?
  12. 12.Marks of 5 friends in a quiz: 22, 24, 26, 37, 31. What is their average mark?
  13. 13.A shop sells an average of 48 kg of sugar a day for 3 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  14. 14.Marks of 5 friends in a quiz: 33, 46, 37, 34, 90. What is their average mark?
  15. 15.A shop sells an average of 25 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)?
  16. 16.The average weight of 5 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 23 kg of sugar a day for 5 days, and then 75 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.Marks of 4 friends in a quiz: 35, 49, 36, 32. What is their average mark?
  19. 19.Marks of 4 friends in a quiz: 58, 68, 51, 59. What is their average mark?
  20. 20.A shop sells an average of 61 kg of sugar a day for 5 days, and then 67 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  21. 21.A shop sells an average of 30 kg of sugar a day for 3 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 45, 31, 26, 38. What is their average mark?
  23. 23.Aditya’s batting average after 13 innings is 49 runs. How many runs must Aditya score in the next innings to raise the average to 54?
  24. 24.Rohan’s batting average after 5 innings is 44 runs. How many runs must Rohan score in the next innings to raise the average to 46?
  25. 25.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)?
  26. 26.Arjun’s batting average after 8 innings is 48 runs. How many runs must Arjun score in the next innings to raise the average to 52?
  27. 27.A shop sells an average of 26 kg of sugar a day for 6 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  28. 28.The average of 8 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  29. 29.A shop sells an average of 36 kg of sugar a day for 6 days, and then 26 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  30. 30.The average weight of 11 children is 32 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 6 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  32. 32.A shop sells an average of 41 kg of sugar a day for 6 days, and then 25 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 6 friends in a quiz: 14, 13, 32, 15, 40, 54. What is their average mark?
  34. 34.Marks of 5 friends in a quiz: 74, 87, 77, 59, 73. What is their average mark?
  35. 35.Rahul’s batting average after 8 innings is 44 runs. How many runs must Rahul score in the next innings to raise the average to 49?
  36. 36.Aarav’s batting average after 15 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 44?
  37. 37.The average of 7 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  38. 38.A shop sells an average of 50 kg of sugar a day for 3 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  39. 39.The average weight of 8 children is 35 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 5 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 69
  2. 51
  3. 34
  4. 31
  5. 86
  6. 64
  7. 65
  8. 32
  9. 26
  10. 79
  11. 58
  12. 28
  13. 54
  14. 48
  15. 39
  16. 43
  17. 49
  18. 38
  19. 59
  20. 64
  21. 28
  22. 35
  23. 119
  24. 56
  25. 28
  26. 84
  27. 29
  28. 69
  29. 32
  30. 30
  31. 48
  32. 33
  33. 28
  34. 74
  35. 89
  36. 74
  37. 23
  38. 38
  39. 32
  40. 30

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