If eleven plus two equals one, what does nine plus five equal?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Why Wine Glass Stem is so long?

Queen Elizabeth organised a royal party.

To Avoid uninvited guest royal family set a password.
Jack (an uninvited person) plan to enter the party. He stand nearby the door.

First guest comes, the security person said 'twelve' and guest replied with six.
Second guest comes , the security person said 'six' and guest replied with 'three'.

Jack thought is enough and he walked to the entry point. The security person said 'eight' , Jack replied smilingly 'four'.
He was immediately thrown out of the party. why ?

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?

Which word does the below Plexor means ?

What will you call your mother's brother's brother-in-law?

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

In the given picture, in how many ways can you read the word "Tiger"?

Who has married many women but was never married?