1. Among V,W,X,Yand Z, seated in a straight line, facing north, who sits exactly in the middle of the line ? W sits third to the right of Z. X is an immediate neighbour of W. V sits to the immediate left of Y. X sits at one of the extreme ends of the line. Only two people sit between X and V. Y sits to the immediate right of V. Y does not sit at any of the extreme ends of the line.