I travel all around the world but always stay in the corner. What am I?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

What work can one never finish?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

How many times do a clock's hands overlap in a day ?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

I have branches, but no fruit, trunk or leaves. What am I?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?