How can a man go eight days without sleep?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

I don't get anymore wetter, no matter how much rain falls on me.

What does this rebus means ?

PROG WORKRESS

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

What has hands, but can’t clap?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

I have teeth but i don't bite. Who Am I ?