The 5 segment lies to the left of the very top segment of the dartboard, while the number 1 lies to the right of the very top segment. The number in the middle, situated in the uppermost segment, is the number 20.
20 is the highest number, located at the top centre of the board.
the number that lies halfway between 1004 & 2012 is 1508
10.8
300
9.55.5
10.72
11.5
It is: 3.65
It is: 0.35
6.9
There are an infinite number of them. 1.429, for one.