Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

What is the next shape from answers A, B, C, and D figure?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

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

Can you write down eight eights so that they add up to one thousand?

How can you take 2 from 5 and leave 4?

What English word has three consecutive double letters?