What is the word or phrase?

You need to remove two matchsticks to make the below equation true. Can you do it ?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

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 ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Find the missing letter in the last circle logically in the given below picture.

Why Wine Glass Stem is so long?

Who has married many women but was never married?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?