A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What does this mean?

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I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

There is a place where if I stand up straight, I will still be considered sideways.

Which is the rope you never skip with?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

Which of the below owl is odd one out?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?