Buy me, smell me or deliver me, I do not change.

Who am I?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What has to be broken before you can use it?

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 ?

If six children and two dogs were under an umbrella, how come none of them got wet?

The centre of the third figure is empty. What digit should fit inside?

What can you hold in your right hand, but never in your left hand?

Identify the hidden meaning behind this picture?