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The average age of a family of 6 members is 20 years. If the age of the youngest member be 5 years, the average age of the family at the birth of the youngest member was?
  • a)
    19 yrs
  • b)
    22 yrs
  • c)
    18 yrs
  • d)
    21 yrs
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The average age of a family of 6 members is 20 years. If the age of th...
Total present age of the family (6*20) = 120 yrs
Total age of the family 5 years ago = (120 – 6*5) = 90 years  
At that time, Total members in the family = 5
Therefore Average age at that time = 90/5 = 18 yrs..
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The average age of a family of 6 members is 20 years. If the age of the youngest member be 5 years, the average age of the family at the birth of the youngest member was?a)19 yrsb)22 yrsc)18 yrsd)21 yrsCorrect answer is option 'C'. Can you explain this answer?
Question Description
The average age of a family of 6 members is 20 years. If the age of the youngest member be 5 years, the average age of the family at the birth of the youngest member was?a)19 yrsb)22 yrsc)18 yrsd)21 yrsCorrect answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about The average age of a family of 6 members is 20 years. If the age of the youngest member be 5 years, the average age of the family at the birth of the youngest member was?a)19 yrsb)22 yrsc)18 yrsd)21 yrsCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The average age of a family of 6 members is 20 years. If the age of the youngest member be 5 years, the average age of the family at the birth of the youngest member was?a)19 yrsb)22 yrsc)18 yrsd)21 yrsCorrect answer is option 'C'. Can you explain this answer?.
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