What is wrong in the below Picture?

Imagine you are in a room with no windows or doors. How will you get out?

What am I?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Can you count the number of squares in the figure below?

Find the last number in the series below:

voN luJ yaM raM ---

What is always in front of you but can’t be seen?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

Near the dead body, they find a few numbers written with blood by the victim on the floor. The numbers are 8, 5, 4, and 11.

The police arrests one of the friends for the murder. Whom did they arrest and why?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?