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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 332 · 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 4 friends in a quiz: 59, 51, 52, 70. What is their average mark?
  2. 2.The average weight of 5 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 62 kg of sugar a day for 5 days, and then 30 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  4. 4.A shop sells an average of 70 kg of sugar a day for 3 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.The average weight of 6 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 4 friends in a quiz: 50, 60, 57, 81. What is their average mark?
  7. 7.Marks of 4 friends in a quiz: 69, 55, 71, 73. What is their average mark?
  8. 8.A shop sells an average of 60 kg of sugar a day for 4 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.Marks of 4 friends in a quiz: 50, 63, 46, 85. What is their average mark?
  10. 10.Arjun’s batting average after 15 innings is 28 runs. How many runs must Arjun score in the next innings to raise the average to 32?
  11. 11.Karan’s batting average after 5 innings is 20 runs. How many runs must Karan score in the next innings to raise the average to 21?
  12. 12.Tara’s batting average after 12 innings is 30 runs. How many runs must Tara score in the next innings to raise the average to 31?
  13. 13.Marks of 4 friends in a quiz: 66, 58, 53, 95. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 37, 37, 36, 30. What is their average mark?
  15. 15.The average weight of 9 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 4 friends in a quiz: 39, 46, 40, 87. What is their average mark?
  17. 17.Sneha’s batting average after 8 innings is 43 runs. How many runs must Sneha score in the next innings to raise the average to 45?
  18. 18.The average weight of 8 children is 37 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 34 kg of sugar a day for 6 days, and then 49 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  21. 21.The average weight of 7 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 11 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Rohan’s batting average after 12 innings is 22 runs. How many runs must Rohan score in the next innings to raise the average to 24?
  24. 24.The average of 8 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  25. 25.A shop sells an average of 27 kg of sugar a day for 6 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  26. 26.The average of 7 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  27. 27.Marks of 6 friends in a quiz: 32, 11, 6, 21, 8, 42. What is their average mark?
  28. 28.The average weight of 12 children is 36 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 5 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  30. 30.The average weight of 8 children is 45 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 45, 49, 41, 69. What is their average mark?
  32. 32.The average of 9 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  33. 33.Marks of 5 friends in a quiz: 41, 40, 50, 59, 85. What is their average mark?
  34. 34.Farhan’s batting average after 6 innings is 36 runs. How many runs must Farhan score in the next innings to raise the average to 40?
  35. 35.Farhan’s batting average after 9 innings is 20 runs. How many runs must Farhan score in the next innings to raise the average to 22?
  36. 36.Meera’s batting average after 5 innings is 33 runs. How many runs must Meera score in the next innings to raise the average to 35?
  37. 37.The average of 6 numbers is 43. When one more number is added, the average becomes 44. What number was added?
  38. 38.The average weight of 10 children is 30 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 6 friends in a quiz: 72, 78, 62, 82, 53, 55. What is their average mark?
  40. 40.The average weight of 10 children is 46 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 58
  2. 41
  3. 46
  4. 75
  5. 31
  6. 62
  7. 67
  8. 54
  9. 61
  10. 92
  11. 26
  12. 43
  13. 68
  14. 35
  15. 28
  16. 53
  17. 61
  18. 35
  19. 36
  20. 39
  21. 34
  22. 44
  23. 48
  24. 54
  25. 48
  26. 90
  27. 20
  28. 33
  29. 32
  30. 43
  31. 51
  32. 44
  33. 55
  34. 64
  35. 40
  36. 45
  37. 50
  38. 27
  39. 67
  40. 45

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