ConradCHESS .. siblings .. logic .. IM Conrad Goodman
If each of my sons has twice as many sisters as brothers;
and each of my daughters has just as many sisters as brothers ..
how many sons and daughters do I have?
to these solvers:
Jack Appelmans, Niven Brown, Lorna Davis, Egon Feller, Albert Frank,
Dave Gill, Joshua Green, Jestes, LW Luk, Chris Magson, Glenn McCorkel,
Helen Moawad, Valmai Osborn, Lauren Ripley, Bernard Sojka,
Steve Steppe and Marcelo Vallejos.
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