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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 582 · 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 27 kg of sugar a day for 3 days, and then 77 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.Tara’s batting average after 8 innings is 27 runs. How many runs must Tara score in the next innings to raise the average to 29?
  3. 3.The average of 4 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  4. 4.The average of 8 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  5. 5.The average weight of 12 children is 41 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 8 children is 29 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 9 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  8. 8.The average of 8 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  9. 9.Marks of 4 friends in a quiz: 77, 87, 84, 40. What is their average mark?
  10. 10.Diya’s batting average after 6 innings is 35 runs. How many runs must Diya score in the next innings to raise the average to 37?
  11. 11.The average weight of 10 children is 31 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Tara’s batting average after 11 innings is 20 runs. How many runs must Tara score in the next innings to raise the average to 22?
  13. 13.The average weight of 5 children is 43 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 5 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  15. 15.The average weight of 6 children is 29 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 52 kg of sugar a day for 6 days, and then 48 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  17. 17.Marks of 5 friends in a quiz: 57, 63, 53, 43, 49. What is their average mark?
  18. 18.The average of 7 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  19. 19.The average weight of 8 children is 38 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 9 children is 28 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 6 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  22. 22.Kavya’s batting average after 12 innings is 27 runs. How many runs must Kavya score in the next innings to raise the average to 32?
  23. 23.The average of 9 numbers is 40. When one more number is added, the average becomes 41. What number was added?
  24. 24.Zoya’s batting average after 6 innings is 32 runs. How many runs must Zoya score in the next innings to raise the average to 33?
  25. 25.Marks of 4 friends in a quiz: 51, 34, 55, 56. What is their average mark?
  26. 26.A shop sells an average of 34 kg of sugar a day for 6 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.A shop sells an average of 56 kg of sugar a day for 2 days, and then 42 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  28. 28.Marks of 5 friends in a quiz: 20, 44, 26, 35, 40. What is their average mark?
  29. 29.A shop sells an average of 44 kg of sugar a day for 3 days, and then 28 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.Rohan’s batting average after 7 innings is 21 runs. How many runs must Rohan score in the next innings to raise the average to 23?
  31. 31.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)?
  32. 32.Ishaan’s batting average after 5 innings is 46 runs. How many runs must Ishaan score in the next innings to raise the average to 51?
  33. 33.A shop sells an average of 48 kg of sugar a day for 4 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.The average weight of 5 children is 34 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 6 friends in a quiz: 51, 51, 31, 30, 57, 50. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 69, 92, 76, 95. What is their average mark?
  37. 37.A shop sells an average of 58 kg of sugar a day for 3 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.Arjun’s batting average after 14 innings is 48 runs. How many runs must Arjun score in the next innings to raise the average to 50?
  39. 39.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)?
  40. 40.Marks of 6 friends in a quiz: 65, 73, 57, 67, 73, 79. What is their average mark?

Answer key

  1. 52
  2. 45
  3. 58
  4. 84
  5. 39
  6. 26
  7. 56
  8. 89
  9. 72
  10. 49
  11. 28
  12. 44
  13. 42
  14. 34
  15. 28
  16. 50
  17. 53
  18. 99
  19. 37
  20. 26
  21. 26
  22. 92
  23. 50
  24. 39
  25. 49
  26. 38
  27. 46
  28. 33
  29. 34
  30. 37
  31. 25
  32. 76
  33. 44
  34. 33
  35. 45
  36. 83
  37. 59
  38. 78
  39. 29
  40. 69

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