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Three years ago, the average age of a family of 5 members was 17 years. The current average age of the family is equal to the average age of the family 3 years ago, due to the birth of a child. What is the present age of the child?
  • a)
    3 years
  • b)
    1.5 years
  • c)
    2 years
  • d)
    2.5 years
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Three years ago, the average age of a family of 5 members was 17 year...
Total age of the family 3 years ago = 17 x 5 = 85 years
Total age of the family now = 17 x 6 = 102 years
Total age of the family excluding the child now = 85 + 15 = 100 years
Age of the child = 2 years
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Three years ago, the average age of a family of 5 members was 17 years. The current average age of the family is equal to the average age of the family 3 years ago, due to the birth of a child. What is the present age of the child?a)3 yearsb)1.5 yearsc)2 yearsd)2.5 yearsCorrect answer is option 'C'. Can you explain this answer?
Question Description
Three years ago, the average age of a family of 5 members was 17 years. The current average age of the family is equal to the average age of the family 3 years ago, due to the birth of a child. What is the present age of the child?a)3 yearsb)1.5 yearsc)2 yearsd)2.5 yearsCorrect 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 Three years ago, the average age of a family of 5 members was 17 years. The current average age of the family is equal to the average age of the family 3 years ago, due to the birth of a child. What is the present age of the child?a)3 yearsb)1.5 yearsc)2 yearsd)2.5 yearsCorrect 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 Three years ago, the average age of a family of 5 members was 17 years. The current average age of the family is equal to the average age of the family 3 years ago, due to the birth of a child. What is the present age of the child?a)3 yearsb)1.5 yearsc)2 yearsd)2.5 yearsCorrect answer is option 'C'. Can you explain this answer?.
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