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.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

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

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

What has one letter and starts with an E?

You need to move three matchsticks to form three squares. Can you do it?

Find the hidden panda in the image below.

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

In the image below, can you find the value of an angle(y)