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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 414 · 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 58 kg of sugar a day for 5 days, and then 44 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.Marks of 4 friends in a quiz: 21, 34, 30, 15. What is their average mark?
  3. 3.A shop sells an average of 79 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)?
  4. 4.A shop sells an average of 48 kg of sugar a day for 4 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.The average of 5 numbers is 34. When one more number is added, the average becomes 40. What number was added?
  6. 6.The average weight of 12 children is 36 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Aditya’s batting average after 6 innings is 48 runs. How many runs must Aditya score in the next innings to raise the average to 52?
  8. 8.Aditya’s batting average after 14 innings is 49 runs. How many runs must Aditya score in the next innings to raise the average to 54?
  9. 9.A shop sells an average of 30 kg of sugar a day for 3 days, and then 38 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.Dev’s batting average after 6 innings is 46 runs. How many runs must Dev score in the next innings to raise the average to 50?
  11. 11.A shop sells an average of 55 kg of sugar a day for 4 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.The average weight of 7 children is 27 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 46 kg of sugar a day for 3 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  14. 14.The average weight of 10 children is 42 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 10 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Tara’s batting average after 9 innings is 23 runs. How many runs must Tara score in the next innings to raise the average to 27?
  17. 17.Marks of 5 friends in a quiz: 82, 62, 54, 62, 75. What is their average mark?
  18. 18.The average of 7 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  19. 19.A shop sells an average of 72 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)?
  20. 20.Rahul’s batting average after 5 innings is 32 runs. How many runs must Rahul score in the next innings to raise the average to 33?
  21. 21.Marks of 5 friends in a quiz: 23, 49, 48, 30, 20. What is their average mark?
  22. 22.A shop sells an average of 28 kg of sugar a day for 3 days, and then 70 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.Marks of 4 friends in a quiz: 34, 59, 55, 36. What is their average mark?
  24. 24.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Aarav’s batting average after 11 innings is 28 runs. How many runs must Aarav score in the next innings to raise the average to 29?
  26. 26.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 4 friends in a quiz: 39, 30, 50, 21. What is their average mark?
  28. 28.A shop sells an average of 36 kg of sugar a day for 6 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  29. 29.The average of 6 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  30. 30.The average of 6 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  31. 31.Saanvi’s batting average after 13 innings is 22 runs. How many runs must Saanvi score in the next innings to raise the average to 24?
  32. 32.Arjun’s batting average after 15 innings is 21 runs. How many runs must Arjun score in the next innings to raise the average to 24?
  33. 33.The average of 7 numbers is 15. When one more number is added, the average becomes 18. What number was added?
  34. 34.Marks of 4 friends in a quiz: 51, 54, 78, 77. What is their average mark?
  35. 35.The average weight of 11 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 9 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  37. 37.The average weight of 11 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 8 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  39. 39.The average of 9 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  40. 40.The average of 9 numbers is 54. When one more number is added, the average becomes 58. What number was added?

Answer key

  1. 51
  2. 25
  3. 52
  4. 41
  5. 70
  6. 35
  7. 76
  8. 124
  9. 35
  10. 74
  11. 62
  12. 26
  13. 48
  14. 41
  15. 43
  16. 63
  17. 67
  18. 63
  19. 60
  20. 38
  21. 34
  22. 56
  23. 46
  24. 39
  25. 40
  26. 30
  27. 35
  28. 55
  29. 42
  30. 45
  31. 50
  32. 69
  33. 39
  34. 65
  35. 39
  36. 80
  37. 35
  38. 61
  39. 44
  40. 94

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