Can you find a number that lies one third of the distance between 1/3 and 2/3?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

There was a strange boy who was born before his father. How can this be possible?

What is the word or phrase?

There is something which you can be arrested for attempting but not for successfully completing.

Can you find the key in the picture below?

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

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?