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Who is older?


Best Answer harey, 13 June 2014 - 08:50 AM

Spoiler for It is sure
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#1 bonanova

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Posted 12 June 2014 - 10:24 AM

Fifty school children lined up at random in five rows and ten columns.

No two of the children have the same birthday.

Of the oldest children in each column Pete is the youngest.

Of the youngest children in each row Jane in the oldest.

 

What is the probability that Pete is older than Jane?

 

 


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#2 harey

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Posted 13 June 2014 - 08:50 AM   Best Answer

Spoiler for It is sure

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