It depends what particular game of darts you are playing there are many. In championship darts the player who scores exactly 501 first is the winner.
seventy-five points seventy-five points
a bulls-eye is worth 78 in darts
You can score 100 points with three darts, the maxium of three times (if you are really good).
Yes you do depending on the number you need. For example, if you need 16 points to win you nee d to get a double 8
The ring around the bulls eye is worth 25; three darts in the outer bull are worth 75 points.
4 points for a win.