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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 555 · 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 53 kg of sugar a day for 2 days, and then 35 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.The average of 8 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  3. 3.A shop sells an average of 54 kg of sugar a day for 3 days, and then 46 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.The average of 4 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  5. 5.Marks of 4 friends in a quiz: 83, 86, 83, 36. What is their average mark?
  6. 6.Dev’s batting average after 8 innings is 42 runs. How many runs must Dev score in the next innings to raise the average to 43?
  7. 7.The average of 7 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  8. 8.The average weight of 10 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 75 kg of sugar a day for 4 days, and then 40 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  10. 10.A shop sells an average of 65 kg of sugar a day for 2 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  11. 11.A shop sells an average of 37 kg of sugar a day for 2 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  12. 12.Ishaan’s batting average after 11 innings is 35 runs. How many runs must Ishaan score in the next innings to raise the average to 36?
  13. 13.The average weight of 5 children is 33 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Vivaan’s batting average after 5 innings is 40 runs. How many runs must Vivaan score in the next innings to raise the average to 43?
  15. 15.Arjun’s batting average after 5 innings is 38 runs. How many runs must Arjun score in the next innings to raise the average to 42?
  16. 16.A shop sells an average of 60 kg of sugar a day for 3 days, and then 54 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.A shop sells an average of 71 kg of sugar a day for 2 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.The average weight of 6 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 9 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  20. 20.Marks of 6 friends in a quiz: 41, 29, 41, 22, 27, 14. What is their average mark?
  21. 21.The average of 6 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  22. 22.Nisha’s batting average after 5 innings is 37 runs. How many runs must Nisha score in the next innings to raise the average to 41?
  23. 23.The average of 4 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  24. 24.A shop sells an average of 25 kg of sugar a day for 4 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 49 kg of sugar a day for 5 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  27. 27.A shop sells an average of 34 kg of sugar a day for 2 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.The average of 8 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  29. 29.The average of 9 numbers is 60. When one more number is added, the average becomes 63. What number was added?
  30. 30.Marks of 5 friends in a quiz: 39, 40, 26, 39, 21. What is their average mark?
  31. 31.The average weight of 9 children is 28 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 21 kg of sugar a day for 5 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  33. 33.The average of 8 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  34. 34.The average of 4 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  35. 35.The average weight of 10 children is 36 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 6 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  37. 37.Meera’s batting average after 10 innings is 32 runs. How many runs must Meera score in the next innings to raise the average to 35?
  38. 38.Isha’s batting average after 14 innings is 50 runs. How many runs must Isha score in the next innings to raise the average to 55?
  39. 39.Rohan’s batting average after 7 innings is 48 runs. How many runs must Rohan score in the next innings to raise the average to 49?
  40. 40.Marks of 6 friends in a quiz: 78, 93, 70, 76, 71, 86. What is their average mark?

Answer key

  1. 41
  2. 74
  3. 49
  4. 74
  5. 72
  6. 51
  7. 70
  8. 31
  9. 54
  10. 48
  11. 32
  12. 47
  13. 31
  14. 58
  15. 62
  16. 56
  17. 68
  18. 32
  19. 94
  20. 29
  21. 67
  22. 61
  23. 50
  24. 31
  25. 40
  26. 47
  27. 64
  28. 43
  29. 90
  30. 33
  31. 25
  32. 23
  33. 50
  34. 52
  35. 33
  36. 50
  37. 65
  38. 125
  39. 56
  40. 79

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