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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 730 · 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 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Kabir’s batting average after 7 innings is 36 runs. How many runs must Kabir score in the next innings to raise the average to 38?
  3. 3.Saanvi’s batting average after 5 innings is 34 runs. How many runs must Saanvi score in the next innings to raise the average to 38?
  4. 4.Marks of 6 friends in a quiz: 47, 34, 28, 23, 39, 45. What is their average mark?
  5. 5.Rahul’s batting average after 14 innings is 47 runs. How many runs must Rahul score in the next innings to raise the average to 52?
  6. 6.A shop sells an average of 20 kg of sugar a day for 3 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.The average weight of 5 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average of 7 numbers is 36. When one more number is added, the average becomes 39. What number was added?
  9. 9.The average of 4 numbers is 28. When one more number is added, the average becomes 33. What number was added?
  10. 10.Marks of 6 friends in a quiz: 97, 103, 91, 85, 78, 86. What is their average mark?
  11. 11.A shop sells an average of 26 kg of sugar a day for 3 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.Marks of 5 friends in a quiz: 37, 35, 18, 47, 28. What is their average mark?
  13. 13.A shop sells an average of 38 kg of sugar a day for 5 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.Marks of 4 friends in a quiz: 71, 76, 72, 49. What is their average mark?
  15. 15.The average of 6 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  16. 16.A shop sells an average of 32 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)?
  17. 17.Marks of 6 friends in a quiz: 50, 41, 70, 49, 48, 72. What is their average mark?
  18. 18.Kavya’s batting average after 9 innings is 50 runs. How many runs must Kavya score in the next innings to raise the average to 52?
  19. 19.Farhan’s batting average after 8 innings is 21 runs. How many runs must Farhan score in the next innings to raise the average to 23?
  20. 20.Dev’s batting average after 9 innings is 35 runs. How many runs must Dev score in the next innings to raise the average to 36?
  21. 21.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)?
  22. 22.The average of 7 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  23. 23.The average of 5 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  24. 24.A shop sells an average of 58 kg of sugar a day for 2 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.Marks of 4 friends in a quiz: 64, 58, 80, 74. What is their average mark?
  26. 26.The average of 6 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  27. 27.The average weight of 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 6 children is 46 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 38 kg of sugar a day for 4 days, and then 40 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.A shop sells an average of 49 kg of sugar a day for 6 days, and then 44 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  31. 31.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 12 children is 45 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 6 friends in a quiz: 31, 14, 12, 12, 24, 63. What is their average mark?
  34. 34.A shop sells an average of 61 kg of sugar a day for 2 days, and then 52 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average weight of 7 children is 28 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 5 friends in a quiz: 5, 31, 33, 20, 11. What is their average mark?
  37. 37.A shop sells an average of 68 kg of sugar a day for 3 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  38. 38.The average weight of 12 children is 26 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 12 children is 32 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 27 kg of sugar a day for 6 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?

Answer key

  1. 26
  2. 52
  3. 58
  4. 36
  5. 122
  6. 34
  7. 41
  8. 60
  9. 53
  10. 90
  11. 28
  12. 33
  13. 50
  14. 67
  15. 39
  16. 48
  17. 55
  18. 70
  19. 39
  20. 45
  21. 26
  22. 86
  23. 38
  24. 55
  25. 69
  26. 60
  27. 27
  28. 43
  29. 39
  30. 47
  31. 30
  32. 44
  33. 26
  34. 55
  35. 27
  36. 20
  37. 60
  38. 25
  39. 29
  40. 33

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