What is the riddle which can be asked all day with a different correct answer each time.

I am the one who remains awake when you sleep. But I need to rest when you awake. Who 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 ?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

What kind of band never plays music?

Solve the equation in the image by looking at the pattern closely.

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?