This puzzle is rated 2 star (medium).
Mr and Mrs Green, Mr and Mrs Brown and Mr and Mrs White sit in a railway carriage.
There are three seats on each side of the carriage, with a door on one side.
No man sits next to, or opposite, his wife.
No man sits next to another man.
Mr Green is neither next to, nor opposite, Mrs Brown.
Mr White is not by the door.
Where is each person sitting?
Check the solutions page for the correct