Answer:
You are on an electric train. Which direction will the smoke fly in?
Nothing specific, but more than a few. This many clustered, together will do.
What starts with the letter T, is filled with T and ends in T?
What occurs four times in every week, twice in every month, only once in a year but never in a day?
What goes through a door but never goes in and never comes out?
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?