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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 131 · 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 10 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 4 friends in a quiz: 72, 44, 70, 42. What is their average mark?
  3. 3.Marks of 5 friends in a quiz: 19, 33, 16, 27, 40. What is their average mark?
  4. 4.The average of 6 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  5. 5.Marks of 5 friends in a quiz: 56, 58, 69, 65, 87. What is their average mark?
  6. 6.Farhan’s batting average after 5 innings is 25 runs. How many runs must Farhan score in the next innings to raise the average to 30?
  7. 7.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)?
  8. 8.The average of 6 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  9. 9.The average of 8 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  10. 10.The average of 8 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  11. 11.The average of 9 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  12. 12.Manav’s batting average after 10 innings is 45 runs. How many runs must Manav score in the next innings to raise the average to 49?
  13. 13.Ishaan’s batting average after 5 innings is 40 runs. How many runs must Ishaan score in the next innings to raise the average to 41?
  14. 14.Marks of 4 friends in a quiz: 54, 40, 29, 41. What is their average mark?
  15. 15.The average of 5 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  16. 16.Marks of 4 friends in a quiz: 18, 42, 29, 43. What is their average mark?
  17. 17.The average of 8 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  18. 18.Vivaan’s batting average after 7 innings is 43 runs. How many runs must Vivaan score in the next innings to raise the average to 46?
  19. 19.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Pooja’s batting average after 5 innings is 34 runs. How many runs must Pooja score in the next innings to raise the average to 36?
  21. 21.Marks of 4 friends in a quiz: 45, 46, 25, 32. What is their average mark?
  22. 22.Diya’s batting average after 8 innings is 45 runs. How many runs must Diya score in the next innings to raise the average to 47?
  23. 23.Rohan’s batting average after 6 innings is 28 runs. How many runs must Rohan score in the next innings to raise the average to 31?
  24. 24.Marks of 6 friends in a quiz: 81, 81, 80, 90, 84, 82. What is their average mark?
  25. 25.Marks of 5 friends in a quiz: 24, 42, 18, 17, 39. What is their average mark?
  26. 26.The average weight of 6 children is 40 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 6 friends in a quiz: 88, 84, 66, 59, 70, 77. What is their average mark?
  28. 28.Pooja’s batting average after 15 innings is 25 runs. How many runs must Pooja score in the next innings to raise the average to 27?
  29. 29.The average of 9 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  30. 30.Tara’s batting average after 10 innings is 41 runs. How many runs must Tara score in the next innings to raise the average to 45?
  31. 31.A shop sells an average of 73 kg of sugar a day for 4 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  32. 32.The average weight of 6 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 11 children is 29 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 4 friends in a quiz: 74, 83, 75, 56. What is their average mark?
  36. 36.Marks of 5 friends in a quiz: 64, 59, 70, 53, 54. What is their average mark?
  37. 37.Farhan’s batting average after 11 innings is 27 runs. How many runs must Farhan score in the next innings to raise the average to 29?
  38. 38.The average of 4 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  39. 39.A shop sells an average of 60 kg of sugar a day for 2 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  40. 40.The average of 6 numbers is 37. When one more number is added, the average becomes 39. What number was added?

Answer key

  1. 37
  2. 57
  3. 27
  4. 58
  5. 67
  6. 55
  7. 44
  8. 57
  9. 82
  10. 34
  11. 93
  12. 89
  13. 46
  14. 41
  15. 49
  16. 33
  17. 61
  18. 67
  19. 28
  20. 46
  21. 37
  22. 63
  23. 49
  24. 83
  25. 28
  26. 39
  27. 74
  28. 57
  29. 55
  30. 85
  31. 55
  32. 29
  33. 27
  34. 26
  35. 72
  36. 60
  37. 51
  38. 32
  39. 55
  40. 51

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