    Sentence 4: if x 0¢ y/z2) y & ab™2. and  7.6%, b/a then’ what. is thé relation between  x, a.and b? The answer’has been given.as  b47a%3.4s that comeel?    Sentence..2: Which’ are--the “best“book : for  prepatation of UES. (UNIVERSITY ENTRY  SCHEME).?