Let's play a little ;) BrainGames

thats what i m thinking but they will come to that conclusion via the above reason only....
Well, that what you wrote above is the 1/16 of the answer. If every one of them see two white cards on foreheads of other two men, how did they come to conclusion that they have a white card on their foreheads...?
 
Well, that what you wrote above is the 1/16 of the answer. If every one of them see two white cards on foreheads of other two men, how did they come to conclusion that they have a white card on their foreheads...?
i m saying everybody sees black cards on the other two and not white as u r quoting and since there were only 2 black cards thats why they must be having white card only...
 
i m saying everybody sees black cards on the other two and not white as u r quoting and since there were only 2 black cards thats why they must be having white card only...
But they are not seeing 2 black cards, they see 2 white cards, if I understood you well o_O
 
Well, the only possible position that these 4 women must have and still to maintain the exact same (10m) distance one from another is to be distributed in Tetrahedron
220px-Tetrahedron.jpg


So there we have that 4th woman wears a diving suite since she is under the sea level :p