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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 421 · 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 6 children is 44 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 72 kg of sugar a day for 6 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 87, 83, 102, 80. What is their average mark?
  4. 4.The average weight of 11 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 78 kg of sugar a day for 2 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.A shop sells an average of 75 kg of sugar a day for 2 days, and then 47 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  7. 7.The average of 6 numbers is 44. When one more number is added, the average becomes 49. What number was added?
  8. 8.The average weight of 6 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 6 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  10. 10.The average of 9 numbers is 53. When one more number is added, the average becomes 58. What number was added?
  11. 11.Marks of 6 friends in a quiz: 39, 32, 41, 41, 42, 45. What is their average mark?
  12. 12.The average of 4 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  13. 13.The average weight of 8 children is 34 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 77 kg of sugar a day for 6 days, and then 63 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.The average of 8 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  16. 16.A shop sells an average of 63 kg of sugar a day for 6 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  17. 17.A shop sells an average of 63 kg of sugar a day for 2 days, and then 31 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.A shop sells an average of 26 kg of sugar a day for 3 days, and then 68 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.Marks of 4 friends in a quiz: 33, 25, 40, 10. What is their average mark?
  20. 20.Marks of 5 friends in a quiz: 102, 78, 95, 79, 91. What is their average mark?
  21. 21.Marks of 4 friends in a quiz: 34, 19, 33, 14. What is their average mark?
  22. 22.A shop sells an average of 46 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)?
  23. 23.Marks of 6 friends in a quiz: 104, 88, 102, 90, 99, 51. What is their average mark?
  24. 24.The average weight of 8 children is 33 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 6 friends in a quiz: 33, 36, 37, 55, 53, 26. What is their average mark?
  26. 26.Marks of 5 friends in a quiz: 87, 65, 88, 89, 46. What is their average mark?
  27. 27.Tara’s batting average after 5 innings is 22 runs. How many runs must Tara score in the next innings to raise the average to 24?
  28. 28.Kavya’s batting average after 7 innings is 42 runs. How many runs must Kavya score in the next innings to raise the average to 47?
  29. 29.Arjun’s batting average after 5 innings is 47 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  30. 30.The average weight of 11 children is 35 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 6 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  32. 32.Marks of 5 friends in a quiz: 81, 103, 79, 96, 86. What is their average mark?
  33. 33.The average weight of 11 children is 31 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 7 children is 31 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 6 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  36. 36.Marks of 6 friends in a quiz: 82, 85, 60, 70, 65, 88. What is their average mark?
  37. 37.Nisha’s batting average after 7 innings is 20 runs. How many runs must Nisha score in the next innings to raise the average to 22?
  38. 38.The average of 8 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  39. 39.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)?
  40. 40.The average of 5 numbers is 28. When one more number is added, the average becomes 29. What number was added?

Answer key

  1. 41
  2. 62
  3. 88
  4. 33
  5. 45
  6. 55
  7. 79
  8. 25
  9. 92
  10. 103
  11. 40
  12. 39
  13. 31
  14. 70
  15. 74
  16. 53
  17. 39
  18. 47
  19. 27
  20. 89
  21. 25
  22. 41
  23. 89
  24. 32
  25. 40
  26. 75
  27. 34
  28. 82
  29. 71
  30. 34
  31. 50
  32. 89
  33. 29
  34. 30
  35. 55
  36. 75
  37. 36
  38. 56
  39. 26
  40. 34

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