SSC CPO SI and ASI 2016 Paper

(4) All the words of the group contain a set each of three consecutive letters of the alphabet (‘FGH’ in AFGHAN, ‘DEF’ in INDEFINETELY, ‘NOP’ in SYNOPSIS, ‘STU’ in STUPENDOUS, and ‘RST’ in BURST). Similarly, in HIJACKER, ‘HIJ’ is a set of three consecutive letters of the alphabet.