John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

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?

What can you deduce from the following BrainBat?

CRY
LMKI

What time is it when an elephant sits on a fence?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Can you find the company name in the pictogram below?

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 ?