Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

When can we add 2 to 11 and get 1 as the correct answer?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What word is pronounced the same if you take away four of its five letters?

Which is the rope you never skip with?

What Adam and Eve do not have but the rest of the people have?

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.

What does this rebus puzzle means ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?