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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 429 · 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.A shop sells an average of 50 kg of sugar a day for 4 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  2. 2.A shop sells an average of 42 kg of sugar a day for 3 days, and then 58 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.The average of 6 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  4. 4.Marks of 6 friends in a quiz: 76, 73, 98, 90, 77, 84. What is their average mark?
  5. 5.A shop sells an average of 79 kg of sugar a day for 5 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  6. 6.Aarav’s batting average after 15 innings is 50 runs. How many runs must Aarav score in the next innings to raise the average to 53?
  7. 7.The average weight of 5 children is 44 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 12 children is 30 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 6 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  10. 10.The average weight of 12 children is 33 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Kavya’s batting average after 14 innings is 44 runs. How many runs must Kavya score in the next innings to raise the average to 47?
  12. 12.A shop sells an average of 62 kg of sugar a day for 3 days, and then 38 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  13. 13.The average of 4 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  14. 14.A shop sells an average of 25 kg of sugar a day for 2 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  15. 15.The average of 5 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  16. 16.A shop sells an average of 80 kg of sugar a day for 6 days, and then 58 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  17. 17.The average weight of 9 children is 46 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.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)?
  19. 19.The average weight of 9 children is 39 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 45 kg of sugar a day for 3 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  21. 21.Marks of 5 friends in a quiz: 69, 62, 73, 86, 85. What is their average mark?
  22. 22.Meera’s batting average after 10 innings is 40 runs. How many runs must Meera score in the next innings to raise the average to 41?
  23. 23.A shop sells an average of 42 kg of sugar a day for 3 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.The average of 6 numbers is 26. When one more number is added, the average becomes 31. What number was added?
  25. 25.The average of 5 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  26. 26.Zoya’s batting average after 5 innings is 25 runs. How many runs must Zoya score in the next innings to raise the average to 29?
  27. 27.The average weight of 9 children is 26 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 4 numbers is 43. When one more number is added, the average becomes 44. What number was added?
  29. 29.The average of 5 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  30. 30.Karan’s batting average after 6 innings is 48 runs. How many runs must Karan score in the next innings to raise the average to 51?
  31. 31.A shop sells an average of 64 kg of sugar a day for 2 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  32. 32.The average of 5 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  33. 33.The average weight of 11 children is 36 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 6 friends in a quiz: 79, 72, 65, 78, 69, 57. What is their average mark?
  35. 35.A shop sells an average of 80 kg of sugar a day for 2 days, and then 24 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  36. 36.The average weight of 9 children is 36 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 9 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  38. 38.Manav’s batting average after 12 innings is 49 runs. How many runs must Manav score in the next innings to raise the average to 50?
  39. 39.Dev’s batting average after 12 innings is 27 runs. How many runs must Dev score in the next innings to raise the average to 32?
  40. 40.The average of 9 numbers is 34. When one more number is added, the average becomes 37. What number was added?

Answer key

  1. 41
  2. 52
  3. 52
  4. 83
  5. 67
  6. 98
  7. 43
  8. 29
  9. 71
  10. 31
  11. 89
  12. 46
  13. 40
  14. 41
  15. 63
  16. 70
  17. 45
  18. 30
  19. 37
  20. 57
  21. 75
  22. 51
  23. 53
  24. 61
  25. 61
  26. 49
  27. 25
  28. 48
  29. 33
  30. 69
  31. 61
  32. 31
  33. 33
  34. 70
  35. 40
  36. 33
  37. 49
  38. 62
  39. 92
  40. 64

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