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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 339 · 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.Marks of 6 friends in a quiz: 64, 58, 43, 47, 55, 63. What is their average mark?
  2. 2.A shop sells an average of 66 kg of sugar a day for 6 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 71, 74, 67, 60. What is their average mark?
  4. 4.The average weight of 11 children is 30 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 5 friends in a quiz: 78, 67, 59, 68, 83. What is their average mark?
  6. 6.The average weight of 5 children is 28 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 6 friends in a quiz: 83, 77, 87, 70, 70, 93. What is their average mark?
  8. 8.Tara’s batting average after 15 innings is 29 runs. How many runs must Tara score in the next innings to raise the average to 33?
  9. 9.The average of 8 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  10. 10.Marks of 5 friends in a quiz: 71, 70, 81, 70, 73. What is their average mark?
  11. 11.Marks of 6 friends in a quiz: 48, 44, 37, 47, 47, 11. What is their average mark?
  12. 12.A shop sells an average of 71 kg of sugar a day for 6 days, and then 77 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  13. 13.Karan’s batting average after 9 innings is 25 runs. How many runs must Karan score in the next innings to raise the average to 27?
  14. 14.Marks of 6 friends in a quiz: 66, 85, 61, 85, 69, 60. What is their average mark?
  15. 15.The average of 4 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  16. 16.A shop sells an average of 39 kg of sugar a day for 6 days, and then 31 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 34 kg of sugar a day for 4 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.The average weight of 5 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 6 children is 45 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 35 kg of sugar a day for 2 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  21. 21.Aditya’s batting average after 14 innings is 27 runs. How many runs must Aditya score in the next innings to raise the average to 32?
  22. 22.The average weight of 5 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Meera’s batting average after 11 innings is 20 runs. How many runs must Meera score in the next innings to raise the average to 24?
  24. 24.Ananya’s batting average after 7 innings is 42 runs. How many runs must Ananya score in the next innings to raise the average to 45?
  25. 25.The average of 6 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  26. 26.Kavya’s batting average after 9 innings is 25 runs. How many runs must Kavya score in the next innings to raise the average to 27?
  27. 27.Marks of 4 friends in a quiz: 22, 11, 19, 48. What is their average mark?
  28. 28.Dev’s batting average after 6 innings is 20 runs. How many runs must Dev score in the next innings to raise the average to 24?
  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 50?
  30. 30.Sneha’s batting average after 8 innings is 34 runs. How many runs must Sneha score in the next innings to raise the average to 37?
  31. 31.A shop sells an average of 74 kg of sugar a day for 5 days, and then 34 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.Rahul’s batting average after 14 innings is 20 runs. How many runs must Rahul score in the next innings to raise the average to 22?
  33. 33.Meera’s batting average after 14 innings is 50 runs. How many runs must Meera score in the next innings to raise the average to 54?
  34. 34.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 65 kg of sugar a day for 6 days, and then 76 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  36. 36.A shop sells an average of 28 kg of sugar a day for 5 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  37. 37.Kabir’s batting average after 6 innings is 22 runs. How many runs must Kabir score in the next innings to raise the average to 25?
  38. 38.Marks of 5 friends in a quiz: 44, 45, 57, 43, 86. What is their average mark?
  39. 39.Marks of 5 friends in a quiz: 97, 73, 100, 89, 76. What is their average mark?
  40. 40.A shop sells an average of 52 kg of sugar a day for 6 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?

Answer key

  1. 55
  2. 48
  3. 68
  4. 28
  5. 71
  6. 27
  7. 80
  8. 93
  9. 56
  10. 73
  11. 39
  12. 74
  13. 45
  14. 71
  15. 42
  16. 35
  17. 58
  18. 28
  19. 42
  20. 56
  21. 102
  22. 37
  23. 68
  24. 66
  25. 25
  26. 45
  27. 25
  28. 48
  29. 65
  30. 61
  31. 59
  32. 50
  33. 110
  34. 40
  35. 70
  36. 38
  37. 43
  38. 55
  39. 87
  40. 60

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