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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 166 · 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 of 6 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  2. 2.Tara’s batting average after 11 innings is 36 runs. How many runs must Tara score in the next innings to raise the average to 41?
  3. 3.The average weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 6 children is 42 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Manav’s batting average after 15 innings is 33 runs. How many runs must Manav score in the next innings to raise the average to 34?
  6. 6.Arjun’s batting average after 15 innings is 35 runs. How many runs must Arjun score in the next innings to raise the average to 39?
  7. 7.The average of 5 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  8. 8.A shop sells an average of 65 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)?
  9. 9.A shop sells an average of 70 kg of sugar a day for 2 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.Tara’s batting average after 13 innings is 27 runs. How many runs must Tara score in the next innings to raise the average to 29?
  11. 11.Marks of 6 friends in a quiz: 35, 44, 32, 35, 25, 45. What is their average mark?
  12. 12.Marks of 5 friends in a quiz: 60, 32, 57, 32, 49. What is their average mark?
  13. 13.Kavya’s batting average after 6 innings is 21 runs. How many runs must Kavya score in the next innings to raise the average to 23?
  14. 14.The average weight of 9 children is 38 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 56 kg of sugar a day for 4 days, and then 51 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  16. 16.Marks of 4 friends in a quiz: 62, 60, 57, 81. What is their average mark?
  17. 17.The average of 7 numbers is 60. When one more number is added, the average becomes 65. What number was added?
  18. 18.A shop sells an average of 35 kg of sugar a day for 2 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  19. 19.Marks of 5 friends in a quiz: 78, 91, 89, 84, 88. What is their average mark?
  20. 20.Marks of 5 friends in a quiz: 49, 51, 55, 43, 27. What is their average mark?
  21. 21.Zoya’s batting average after 7 innings is 23 runs. How many runs must Zoya score in the next innings to raise the average to 24?
  22. 22.Farhan’s batting average after 13 innings is 26 runs. How many runs must Farhan score in the next innings to raise the average to 30?
  23. 23.Marks of 4 friends in a quiz: 59, 70, 78, 73. What is their average mark?
  24. 24.Priya’s batting average after 6 innings is 21 runs. How many runs must Priya score in the next innings to raise the average to 25?
  25. 25.The average of 5 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  26. 26.The average of 5 numbers is 30. When one more number is added, the average becomes 32. What number was added?
  27. 27.A shop sells an average of 77 kg of sugar a day for 2 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 6 friends in a quiz: 22, 48, 21, 26, 22, 59. What is their average mark?
  30. 30.The average of 7 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  31. 31.Rohan’s batting average after 12 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 28?
  32. 32.The average of 8 numbers is 46. When one more number is added, the average becomes 48. What number was added?
  33. 33.Marks of 5 friends in a quiz: 53, 47, 51, 36, 43. What is their average mark?
  34. 34.The average weight of 11 children is 30 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 5 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  36. 36.Marks of 4 friends in a quiz: 54, 45, 31, 26. What is their average mark?
  37. 37.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)?
  38. 38.Isha’s batting average after 13 innings is 41 runs. How many runs must Isha score in the next innings to raise the average to 43?
  39. 39.The average weight of 9 children is 30 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 5 friends in a quiz: 43, 29, 33, 18, 32. What is their average mark?

Answer key

  1. 51
  2. 96
  3. 39
  4. 39
  5. 49
  6. 99
  7. 39
  8. 64
  9. 61
  10. 55
  11. 36
  12. 46
  13. 35
  14. 35
  15. 53
  16. 65
  17. 100
  18. 50
  19. 86
  20. 45
  21. 31
  22. 82
  23. 70
  24. 49
  25. 83
  26. 42
  27. 38
  28. 30
  29. 33
  30. 35
  31. 40
  32. 64
  33. 46
  34. 27
  35. 75
  36. 39
  37. 26
  38. 69
  39. 27
  40. 31

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