A bet on the double chance 1x is simply a wager on the home team to win or draw the game. If you think the home team will win because of the advantage they have, but the away team will give them a good fight, then this is the market for you to bet on.

It depends on the depth of the chair: if soft and deep, so the sitter sinks into it, then the proper preposition is in ; if flat and hard, so the sitter perches on top, then the proper preposition is on. 

"Seat" is a noun that refers to a place or piece of furniture designed for sitting, while "sit" is a verb that describes the action of lowering oneself into a sitting position. For example, you could say, "Please take a seat," using "seat" as a noun, or "Please sit down," using "sit" as a verb.