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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 693 · 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.

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  1. 1.Marks of 4 friends in a quiz: 81, 79, 66, 50. What is their average mark?
  2. 2.A shop sells an average of 68 kg of sugar a day for 2 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.Diya’s batting average after 6 innings is 25 runs. How many runs must Diya score in the next innings to raise the average to 28?
  4. 4.The average weight of 12 children is 44 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 29 kg of sugar a day for 3 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  6. 6.The average of 9 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  7. 7.Priya’s batting average after 5 innings is 32 runs. How many runs must Priya score in the next innings to raise the average to 36?
  8. 8.A shop sells an average of 33 kg of sugar a day for 2 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.A shop sells an average of 27 kg of sugar a day for 6 days, and then 33 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  10. 10.Sneha’s batting average after 5 innings is 41 runs. How many runs must Sneha score in the next innings to raise the average to 46?
  11. 11.The average of 6 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  12. 12.The average of 5 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  13. 13.The average of 9 numbers is 24. When one more number is added, the average becomes 30. What number was added?
  14. 14.A shop sells an average of 79 kg of sugar a day for 4 days, and then 70 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.The average of 5 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  16. 16.The average of 6 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  17. 17.The average of 8 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  18. 18.The average weight of 8 children is 33 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 5 friends in a quiz: 55, 48, 57, 56, 59. What is their average mark?
  20. 20.Sneha’s batting average after 8 innings is 36 runs. How many runs must Sneha score in the next innings to raise the average to 39?
  21. 21.A shop sells an average of 75 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)?
  22. 22.A shop sells an average of 43 kg of sugar a day for 3 days, and then 25 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.The average of 5 numbers is 43. When one more number is added, the average becomes 48. What number was added?
  24. 24.A shop sells an average of 80 kg of sugar a day for 5 days, and then 78 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.The average of 7 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  26. 26.A shop sells an average of 69 kg of sugar a day for 6 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  27. 27.Marks of 4 friends in a quiz: 65, 65, 49, 77. What is their average mark?
  28. 28.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 57 kg of sugar a day for 2 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  30. 30.The average of 8 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  31. 31.Marks of 4 friends in a quiz: 79, 89, 69, 71. What is their average mark?
  32. 32.Arjun’s batting average after 10 innings is 42 runs. How many runs must Arjun score in the next innings to raise the average to 43?
  33. 33.The average weight of 11 children is 27 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 34 kg of sugar a day for 4 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.Marks of 5 friends in a quiz: 87, 77, 78, 88, 65. What is their average mark?
  36. 36.Marks of 6 friends in a quiz: 14, 15, 19, 22, 18, 50. What is their average mark?
  37. 37.Marks of 4 friends in a quiz: 92, 86, 90, 76. What is their average mark?
  38. 38.Priya’s batting average after 11 innings is 24 runs. How many runs must Priya score in the next innings to raise the average to 25?
  39. 39.The average of 4 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  40. 40.A shop sells an average of 63 kg of sugar a day for 6 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?

Answer key

  1. 69
  2. 50
  3. 46
  4. 42
  5. 37
  6. 36
  7. 56
  8. 39
  9. 29
  10. 71
  11. 70
  12. 45
  13. 84
  14. 74
  15. 80
  16. 64
  17. 54
  18. 31
  19. 55
  20. 63
  21. 62
  22. 34
  23. 73
  24. 79
  25. 46
  26. 55
  27. 64
  28. 33
  29. 43
  30. 77
  31. 77
  32. 53
  33. 25
  34. 45
  35. 79
  36. 23
  37. 86
  38. 36
  39. 59
  40. 51

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