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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 177 · 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 of 8 numbers is 34. When one more number is added, the average becomes 40. What number was added?
  2. 2.A shop sells an average of 79 kg of sugar a day for 5 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  3. 3.A shop sells an average of 71 kg of sugar a day for 2 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  4. 4.A shop sells an average of 36 kg of sugar a day for 3 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  5. 5.A shop sells an average of 38 kg of sugar a day for 6 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.The average weight of 8 children is 44 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 8 children is 36 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.A shop sells an average of 23 kg of sugar a day for 3 days, and then 68 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  9. 9.Isha’s batting average after 10 innings is 26 runs. How many runs must Isha score in the next innings to raise the average to 30?
  10. 10.The average of 6 numbers is 60. When one more number is added, the average becomes 62. What number was added?
  11. 11.Marks of 5 friends in a quiz: 18, 10, 7, 27, 38. What is their average mark?
  12. 12.Marks of 6 friends in a quiz: 43, 19, 46, 43, 26, 27. What is their average mark?
  13. 13.A shop sells an average of 80 kg of sugar a day for 2 days, and then 38 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  14. 14.Marks of 6 friends in a quiz: 28, 16, 19, 26, 28, 63. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 31, 40, 34, 59. What is their average mark?
  16. 16.A shop sells an average of 31 kg of sugar a day for 3 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  17. 17.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 5 numbers is 41. When one more number is added, the average becomes 44. What number was added?
  19. 19.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 8 children is 33 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Diya’s batting average after 7 innings is 29 runs. How many runs must Diya score in the next innings to raise the average to 30?
  22. 22.The average weight of 12 children is 29 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Sneha’s batting average after 15 innings is 49 runs. How many runs must Sneha score in the next innings to raise the average to 52?
  24. 24.The average weight of 10 children is 39 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Aditya’s batting average after 8 innings is 38 runs. How many runs must Aditya score in the next innings to raise the average to 42?
  26. 26.A shop sells an average of 59 kg of sugar a day for 5 days, and then 31 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.Marks of 6 friends in a quiz: 67, 54, 50, 76, 63, 56. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 82, 67, 90, 72, 69. What is their average mark?
  29. 29.The average weight of 7 children is 36 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 6 children is 37 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 61, 66, 64, 37. What is their average mark?
  32. 32.A shop sells an average of 22 kg of sugar a day for 6 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.A shop sells an average of 35 kg of sugar a day for 2 days, and then 28 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  34. 34.Aarav’s batting average after 15 innings is 30 runs. How many runs must Aarav score in the next innings to raise the average to 32?
  35. 35.A shop sells an average of 22 kg of sugar a day for 3 days, and then 34 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.A shop sells an average of 43 kg of sugar a day for 2 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.The average of 6 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  38. 38.The average weight of 6 children is 48 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 80 kg of sugar a day for 4 days, and then 52 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  40. 40.A shop sells an average of 20 kg of sugar a day for 2 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 88
  2. 73
  3. 68
  4. 32
  5. 42
  6. 41
  7. 35
  8. 41
  9. 70
  10. 74
  11. 20
  12. 34
  13. 50
  14. 30
  15. 41
  16. 47
  17. 26
  18. 59
  19. 27
  20. 32
  21. 37
  22. 27
  23. 97
  24. 38
  25. 74
  26. 45
  27. 61
  28. 76
  29. 33
  30. 34
  31. 57
  32. 27
  33. 30
  34. 62
  35. 28
  36. 52
  37. 29
  38. 45
  39. 68
  40. 56

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