Multiple choice general knowledge

What goes up and down stairs without moving?

  1. Carpet

  2. Stars

  3. Railroad

  4. Stairs

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A carpet is installed on a staircase; it 'goes' from the bottom floor to the top floor (up and down) but remains a stationary object. Stairs themselves are the structure, not the thing 'on' them.