Comments on: Mind Confusing Interview Questions http://www.hevi.info/2009/11/mind-confusing-interview-questions/ Umut Rıza Ertürk's Personal Weblog :) Thu, 05 Aug 2010 15:34:47 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: Hevi http://www.hevi.info/2009/11/mind-confusing-interview-questions/comment-page-1/#comment-404 Hevi Thu, 05 Aug 2010 15:34:47 +0000 http://www.hevi.info/?p=284#comment-404 cool solution! but in reality it depends on the population of the country, plus the giving a male birth probability is %49 :) which also changes the result cool solution!
but in reality it depends on the population of the country, plus the giving a male birth probability is %49 :) which also changes the result

]]> By: Aytek http://www.hevi.info/2009/11/mind-confusing-interview-questions/comment-page-1/#comment-338 Aytek Tue, 13 Jul 2010 15:00:57 +0000 http://www.hevi.info/?p=284#comment-338 Result must be 0.5 as you said: We know every family have just one boy. And number of children per family: 1/2 + 2/4 + 3/8 + 4/16 + ... which is 2. (it is derivative of a geometric series) (First term: 0.5 of the population will have 1 child. Second term: 0.25 of the pop. will have 2 child. Third term: 0.125 of the pop. will have 3 child. Goes on.) Though, my answer is quite late considering the posting time of the question :) Result must be 0.5 as you said:

We know every family have just one boy.
And number of children per family:
1/2 + 2/4 + 3/8 + 4/16 + … which is 2. (it is derivative of a geometric series)
(First term: 0.5 of the population will have 1 child.
Second term: 0.25 of the pop. will have 2 child.
Third term: 0.125 of the pop. will have 3 child. Goes on.)

Though, my answer is quite late considering the posting time of the question :)

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