You are a prisoner in a room with 2 doors and 2 guards. One of the doors will guide you to freedom and behind the other is a hangman –you don’t know which is which.
One of the guards always tells the truth and the other always lies. You don’t know which one is the truth-teller or the liar either.
You have to choose and open one of these doors, but you can only ask a single question to one of the guards.
What do you ask so you can pick the door to freedom?
On a new year day, two old friends John and Jacob meet at a party. As they met after a long time Jacob wanted John to guess his birthday. As both friends are not in touch for a long time John was unable to guess his birthday. So Jacob decided to give some hints. Below are the hints:
The day before yesterday I was 30 and next year I will be 33, then Jacob asked John to find his birthday.
Hint: The above condition can be true for only one day in the year
It always points in the right direction. Its instructions are written in black and white. Disobey it and pay the consequences. It will never say more than two words at a time. What is it?