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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 578 · 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 8 children is 41 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 6 friends in a quiz: 41, 52, 61, 61, 43, 30. What is their average mark?
  3. 3.Diya’s batting average after 7 innings is 45 runs. How many runs must Diya score in the next innings to raise the average to 49?
  4. 4.Marks of 4 friends in a quiz: 38, 48, 32, 42. What is their average mark?
  5. 5.The average of 6 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  6. 6.A shop sells an average of 30 kg of sugar a day for 5 days, and then 20 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  7. 7.A shop sells an average of 34 kg of sugar a day for 5 days, and then 25 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  8. 8.Marks of 6 friends in a quiz: 82, 95, 84, 73, 75, 83. What is their average mark?
  9. 9.Vivaan’s batting average after 15 innings is 35 runs. How many runs must Vivaan score in the next innings to raise the average to 39?
  10. 10.The average weight of 5 children is 44 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 5 friends in a quiz: 68, 63, 83, 71, 55. What is their average mark?
  12. 12.Farhan’s batting average after 10 innings is 33 runs. How many runs must Farhan score in the next innings to raise the average to 35?
  13. 13.Saanvi’s batting average after 9 innings is 33 runs. How many runs must Saanvi score in the next innings to raise the average to 35?
  14. 14.A shop sells an average of 52 kg of sugar a day for 6 days, and then 80 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.Marks of 4 friends in a quiz: 28, 40, 13, 19. What is their average mark?
  16. 16.The average weight of 5 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 6 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  19. 19.The average of 7 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  20. 20.A shop sells an average of 35 kg of sugar a day for 6 days, and then 77 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  21. 21.A shop sells an average of 27 kg of sugar a day for 4 days, and then 49 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 48, 29, 49, 22. What is their average mark?
  23. 23.Saanvi’s batting average after 5 innings is 39 runs. How many runs must Saanvi score in the next innings to raise the average to 43?
  24. 24.A shop sells an average of 24 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)?
  25. 25.Rahul’s batting average after 12 innings is 35 runs. How many runs must Rahul score in the next innings to raise the average to 38?
  26. 26.Marks of 4 friends in a quiz: 41, 45, 68, 70. What is their average mark?
  27. 27.A shop sells an average of 45 kg of sugar a day for 2 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  28. 28.The average of 7 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  29. 29.A shop sells an average of 32 kg of sugar a day for 2 days, and then 77 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 48, 57, 50, 50, 20. What is their average mark?
  31. 31.Marks of 4 friends in a quiz: 72, 66, 81, 97. What is their average mark?
  32. 32.Marks of 4 friends in a quiz: 33, 19, 42, 26. What is their average mark?
  33. 33.Pooja’s batting average after 9 innings is 44 runs. How many runs must Pooja score in the next innings to raise the average to 47?
  34. 34.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 31 kg of sugar a day for 2 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  36. 36.The average weight of 6 children is 47 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average weight of 11 children is 37 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 6 friends in a quiz: 44, 63, 40, 40, 49, 94. What is their average mark?
  39. 39.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 54 kg of sugar a day for 3 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 40
  2. 48
  3. 77
  4. 40
  5. 67
  6. 25
  7. 30
  8. 82
  9. 99
  10. 42
  11. 68
  12. 55
  13. 53
  14. 66
  15. 25
  16. 25
  17. 36
  18. 45
  19. 64
  20. 56
  21. 38
  22. 37
  23. 63
  24. 34
  25. 74
  26. 56
  27. 40
  28. 41
  29. 59
  30. 45
  31. 79
  32. 30
  33. 74
  34. 45
  35. 32
  36. 44
  37. 35
  38. 55
  39. 29
  40. 41

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