When we see 2 but call 10?

Why did the Girl throw the butter out of the window?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Why do people go to bed?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

What does below rebus means ?

What seven-letter word has hundreds of letters in it?

Forwards I am heavy, backward I am not. What am I?