Directions (next five questions) : Study the following information to answer the given questions.
Eight friends P,Q,R,S,T,U,V and W are sitting around a square table in such a way that four of them sit at four corners while four sit in the middle of each of the four sides. The ones who sit at the four corners face the centre while those who sit in the middle of the sides face outside (i.e., opposite to the centre).