57. Truthful Brother and Liar Dilemma I have a puzzle. In a room there were two brothers. Out of whom one will speak truth for any question and another will be lying for any question. They will be seated in that room. One will enter that room. That room has two other doors. He wants to cross that room and step into the garden outside. He doesn't know which one is the right door and also who was lying and who tells the truth. What question should he put to them so that he can get to the garden??? Added 2 January 2011 Show Hint Show Solution Hint: Ask one brother what the other brother would say if you asked him which door leads to the garden. Solution: He should ask either brother, 'If I asked your brother which door leads to the garden, what would he say?'
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