What has no start, end, or centre?

Find out the number of circles in the given picture having Illusion

What does below Rebus mean ?

esgg sgeg gegs gsge

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

Do You See It?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

Which is heavier: a ton of bricks or a ton of feathers?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?