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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 384 · 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 60 kg of sugar a day for 3 days, and then 72 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.A shop sells an average of 79 kg of sugar a day for 4 days, and then 72 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  3. 3.The average weight of 9 children is 41 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 7 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  5. 5.The average weight of 8 children is 31 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 9 children is 38 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 62 kg of sugar a day for 4 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.A shop sells an average of 54 kg of sugar a day for 5 days, and then 38 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  9. 9.The average weight of 5 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average weight of 7 children is 32 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 33 kg of sugar a day for 3 days, and then 49 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Marks of 6 friends in a quiz: 61, 56, 45, 41, 37, 66. What is their average mark?
  14. 14.Marks of 6 friends in a quiz: 65, 63, 72, 83, 67, 82. What is their average mark?
  15. 15.The average weight of 10 children is 30 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 46 kg of sugar a day for 6 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  17. 17.A shop sells an average of 70 kg of sugar a day for 2 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.Marks of 4 friends in a quiz: 78, 66, 73, 55. What is their average mark?
  19. 19.A shop sells an average of 46 kg of sugar a day for 6 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  20. 20.The average weight of 8 children is 36 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 4 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  22. 22.Marks of 4 friends in a quiz: 46, 56, 65, 53. What is their average mark?
  23. 23.The average weight of 11 children is 42 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Rohan’s batting average after 11 innings is 28 runs. How many runs must Rohan score in the next innings to raise the average to 31?
  25. 25.Marks of 4 friends in a quiz: 37, 49, 62, 52. What is their average mark?
  26. 26.A shop sells an average of 78 kg of sugar a day for 6 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  27. 27.A shop sells an average of 33 kg of sugar a day for 3 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  28. 28.Marks of 4 friends in a quiz: 81, 59, 62, 82. What is their average mark?
  29. 29.Diya’s batting average after 9 innings is 25 runs. How many runs must Diya score in the next innings to raise the average to 27?
  30. 30.A shop sells an average of 43 kg of sugar a day for 4 days, and then 53 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.Saanvi’s batting average after 6 innings is 34 runs. How many runs must Saanvi score in the next innings to raise the average to 39?
  32. 32.Marks of 6 friends in a quiz: 42, 27, 40, 19, 42, 28. What is their average mark?
  33. 33.Rohan’s batting average after 10 innings is 48 runs. How many runs must Rohan score in the next innings to raise the average to 53?
  34. 34.A shop sells an average of 36 kg of sugar a day for 6 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.A shop sells an average of 70 kg of sugar a day for 2 days, and then 35 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 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Kavya’s batting average after 13 innings is 43 runs. How many runs must Kavya score in the next innings to raise the average to 44?
  38. 38.The average of 5 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  39. 39.A shop sells an average of 35 kg of sugar a day for 6 days, and then 20 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  40. 40.Nisha’s batting average after 13 innings is 48 runs. How many runs must Nisha score in the next innings to raise the average to 53?

Answer key

  1. 66
  2. 76
  3. 39
  4. 85
  5. 30
  6. 37
  7. 52
  8. 46
  9. 30
  10. 26
  11. 31
  12. 41
  13. 51
  14. 72
  15. 27
  16. 36
  17. 54
  18. 68
  19. 52
  20. 33
  21. 47
  22. 55
  23. 40
  24. 64
  25. 50
  26. 62
  27. 34
  28. 71
  29. 45
  30. 48
  31. 69
  32. 33
  33. 103
  34. 37
  35. 45
  36. 30
  37. 57
  38. 43
  39. 29
  40. 118

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