Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

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 ?

What does below rebus means ?

Replace the question mark with the correct number in the below-given picture?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

Can you find the thief by just looking at the picture below?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?