Which flower has two lips?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

If eleven plus two equals one, what does nine plus five equal?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

What is the longest word in the dictionary?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Can you find a five letter word that is left with only two letters if one is removed?