Answer:
What goes through a door but never goes in and never comes out?
What never asks questions but receives a lot of answers?
Hearing something unexpected or touching a live wire can have this effect.
Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?
They are two brothers. However much they run, they do not reach each other.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.