Question

I am an 5 letter word I am always down of you if you remove my 1st letter you can see me at above of you and if you remove my 1st and 2nd letters you can't seem me.what am I?

Answer 1

Chair is your answer

Answer 2

The 5 lettered word is 
CHAIR - because the chair is down of us only and we will sit on it only.
If we remove the first letter it becomes as hair
HAIR - because the hair is above us only.
if we remove 1st and 2nd letters from the word chair it becomes as air
AIR - we can't see the air it is invisible.
The final answer is chair
the removal of letters like this becomes as another words
From CHAIR - HAIR - AIR