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The average age of a family of four members is 23 years. The age of the youngest member is 5 years. Find the average age of the family just before the birth of the youngest member.
  • a)
    12
  • b)
    15
  • c)
    32
  • d)
    None of these
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The average age of a family of four members is 23 years. The age of th...
Sum of the age of all members = 23 × 4 = 92
Age of the youngest member = 5
Sum of the ages of all members at the time of birth of youngest member = 92 - (5 × 4) = 72
Average age at the time of birth of youngest member = 72/3 = 24
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The average age of a family of four members is 23 years. The age of the youngest member is 5 years. Find the average age of the family just before the birth of the youngest member.a)12b)15c)32d)None of theseCorrect answer is option 'D'. Can you explain this answer?
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The average age of a family of four members is 23 years. The age of the youngest member is 5 years. Find the average age of the family just before the birth of the youngest member.a)12b)15c)32d)None of theseCorrect answer is option 'D'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about The average age of a family of four members is 23 years. The age of the youngest member is 5 years. Find the average age of the family just before the birth of the youngest member.a)12b)15c)32d)None of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The average age of a family of four members is 23 years. The age of the youngest member is 5 years. Find the average age of the family just before the birth of the youngest member.a)12b)15c)32d)None of theseCorrect answer is option 'D'. Can you explain this answer?.
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