Complete the table series riddle by finding the number that can replace "??".

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

What English word has three consecutive double letters?

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 is the longest word in the dictionary?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Can you count the number of quadrilaterals in the picture below?

How can you make a TV, a bed, a dog, and a car liquid?