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

Can it be possible to build a house that has all its four walls facing towards the South?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

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?

A blonde put eyeliner on her head. Why?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

There are forty elephants and they have forty-fore heads. How can this be possible?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?