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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 683 · 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: 36, 47, 35, 31, 38, 71. What is their average mark?
  2. 2.A shop sells an average of 37 kg of sugar a day for 2 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.The average of 8 numbers is 42. When one more number is added, the average becomes 46. What number was added?
  4. 4.The average weight of 9 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 5 friends in a quiz: 79, 67, 70, 66, 98. What is their average mark?
  6. 6.Marks of 6 friends in a quiz: 80, 74, 61, 60, 70, 63. What is their average mark?
  7. 7.Sneha’s batting average after 8 innings is 48 runs. How many runs must Sneha score in the next innings to raise the average to 51?
  8. 8.The average of 8 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  9. 9.A shop sells an average of 61 kg of sugar a day for 2 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.A shop sells an average of 62 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)?
  11. 11.Marks of 6 friends in a quiz: 46, 40, 65, 48, 45, 68. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 44, 48, 48, 24. What is their average mark?
  13. 13.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)?
  14. 14.The average of 4 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  15. 15.The average of 5 numbers is 40. When one more number is added, the average becomes 42. What number was added?
  16. 16.Kabir’s batting average after 11 innings is 38 runs. How many runs must Kabir score in the next innings to raise the average to 42?
  17. 17.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Tara’s batting average after 6 innings is 33 runs. How many runs must Tara score in the next innings to raise the average to 34?
  19. 19.The average weight of 5 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 9 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  21. 21.Manav’s batting average after 8 innings is 29 runs. How many runs must Manav score in the next innings to raise the average to 32?
  22. 22.A shop sells an average of 59 kg of sugar a day for 3 days, and then 62 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.The average of 5 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  24. 24.The average of 4 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  25. 25.Marks of 6 friends in a quiz: 46, 43, 48, 42, 59, 86. What is their average mark?
  26. 26.A shop sells an average of 28 kg of sugar a day for 5 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  27. 27.Kavya’s batting average after 6 innings is 38 runs. How many runs must Kavya score in the next innings to raise the average to 42?
  28. 28.The average weight of 10 children is 28 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Kabir’s batting average after 9 innings is 48 runs. How many runs must Kabir score in the next innings to raise the average to 49?
  31. 31.Marks of 5 friends in a quiz: 58, 55, 60, 40, 52. What is their average mark?
  32. 32.A shop sells an average of 23 kg of sugar a day for 2 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  33. 33.Zoya’s batting average after 11 innings is 43 runs. How many runs must Zoya score in the next innings to raise the average to 45?
  34. 34.The average weight of 8 children is 31 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Vivaan’s batting average after 5 innings is 34 runs. How many runs must Vivaan score in the next innings to raise the average to 35?
  36. 36.The average weight of 5 children is 47 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 41 kg of sugar a day for 4 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  38. 38.Marks of 5 friends in a quiz: 30, 24, 49, 49, 28. What is their average mark?
  39. 39.The average weight of 9 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.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)?

Answer key

  1. 43
  2. 31
  3. 78
  4. 30
  5. 76
  6. 68
  7. 75
  8. 72
  9. 53
  10. 47
  11. 52
  12. 41
  13. 30
  14. 47
  15. 52
  16. 86
  17. 29
  18. 40
  19. 25
  20. 38
  21. 56
  22. 61
  23. 34
  24. 49
  25. 54
  26. 36
  27. 66
  28. 25
  29. 40
  30. 58
  31. 53
  32. 35
  33. 67
  34. 29
  35. 40
  36. 44
  37. 38
  38. 36
  39. 27
  40. 32

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