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 ?

Count the number of triangles in the picture below:

I don't get anymore wetter, no matter how much rain falls on me.

What 5-letter word typed in all capital letters can be read the same upside down?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Replace the question mark with the number below given a simple math problem.

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

What is so fragile that saying its name breaks it?

There is something which is always coming but never arrives?