Sunday 9 March 2014

Son vs daughter riddle

Are you confident enough with your answer?
  1. In a two-child family, one child is a boy. What is the probability that the other child is a girl?
  2. In a two-child family, the elder child is a boy. What is the probability that the other child is a girl?
Special: All the best to the S&R Team for MH370, we're counting on you!
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2 comments:

  1. WK Chua9 March 2014 at 11:37

    1) 50%
    2) 50%

    I'm very confident with my answer! :D

    ReplyDelete
  2. Hector Hon16 March 2014 at 12:30

    Actually, the answer to the first is 100%. One child is a boy!
    You (confidently) got the second one right though, well done!

    ReplyDelete

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