Question

1. you are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.

You can, however, ask one robot one question. The problem is, while one robot always tells the truth, the other always lies and you don't know which is which.

What question will you ask?

2. Mary's mum has four children.
The first child is called April.
The second May.
The third June.
What is the name of the fourth child?

Answer 1

For the first one you must say to any roobot "If you were the other robot wish door is the correct one" then both will show you the wrong door so you must go in the one that they don't tell you to go

the the name is Mary's come on 
the childrens are mary, april, may and june