Which house have a girl child puzzle


In  Taj Square there are two houses –  House A and House B.

In both A and B, lives a family with two children each.

The House A has a family with a boy who loves to play football. Their other child likes to swim.
The House B has a family with a six year old boy who loves to read and they have just had a new baby.

You are asked:
Which of the given house is likely to have a girl child?
What will your probable answer?



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  • 2 Answer(s)

    Answer-  House A


    In the House A

    As per puzzle, 1 child is Boy
    There can be three possibilities.
    Older    |    Younger
    Boy         |      Girl
    Girl         |      Boy
    Boy         |      Boy
    All these options are equally possible and thus we will take them all into account.
    Two of the cases have a girl and thus the probability here will be 2/3.

    In the House  B-
    As per puzzle, the elder child is a boy and thus there can be only two possibilities:
    Older      |      Younger
    Boy           |       Girl
    Boy           |       Boy

    Here, the probability of having a girl child will be 1/2.

    Thus we must select the house A, as there is better probability of having a girl in that house.

    SherlockHolmes Expert Answered on 12th January 2016.
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    Both houses are equally likely to have girl child.

    GeNiUs Genius Answered on 12th January 2016.
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