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3 years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is
  • a)
    1 year
  • b)
    5 years
  • c)
    2 year
  • d)
    3 year
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
3 years ago, the average age of a family of 5 members was 17 years. A...
Total age of 5 members, three years ago
= 17 × 5 = 85 years
Three years hence,
Total age of 5 members = 85+3x5 = 85+15 = 100 years
Sum of present ages of 6 members = 17 × 6 = 102 years
Present age of baby= 102 – 100 = 2 years
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3 years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby isa)1 yearb)5 yearsc)2 yeard)3 yearCorrect answer is option 'C'. Can you explain this answer?
Question Description
3 years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby isa)1 yearb)5 yearsc)2 yeard)3 yearCorrect answer is option 'C'. 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 3 years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby isa)1 yearb)5 yearsc)2 yeard)3 yearCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 3 years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby isa)1 yearb)5 yearsc)2 yeard)3 yearCorrect answer is option 'C'. Can you explain this answer?.
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