One morning you wake up to find yourself in a large room with three exits and no apparent entrance (don't ask why, you just do).
You don't remember how you managed to get in there but suffice to say you are in there now and want to get home in time for dinner.
You look at the three exits and note that they are all completely identical but are numbered 1, 2 and 3.
You also notice a rather menacing looking guard standing in your way, blocking your path to the doors.
Naturally, you inquire as to which door to take.

The guard replies
"One of these doors leads to salvation,
the other two lead to damnation.
Three questions you will get to try,
But be forewarned, on two I'll lie.
Don't ask why, for I just will.
You'll have to use your wits and skill"

Question :
Hmmm, okaaay.  You have had better starts to the day than this.
Still, you've got to play the cards you're dealt.
Which three 'Yes or No' questions will ensure you safe passage to the outside world?

See answer