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    Question

    The combined average age of M, F, and S was 54 years

    when S got married. After 6 years, an infant was born. The average age of the family, 12 years post-marriage, is now 48 years. Calculate the age of the bride at the time of the marriage.
    A 45 yrs Correct Answer Incorrect Answer
    B 24 yrs Correct Answer Incorrect Answer
    C 20 yrs Correct Answer Incorrect Answer
    D 15 yrs Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ,   Total present age of M, F and S    = 54 × 3 + 12 × 3    = 162 + 36    = 198 years.   Sum of present age of family   = 48 × 5    = 240 years   Age of child = 6 years   So, age of bride at the time of marriage    = 240 – 198 – 6 – 12    = 24 years

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