General Studies · Designation Puzzle

Study the information carefully and answer the question: There are seven persons who hold different designations in a company: General Manager (GM), Deputy General Manager (DGM), Assistant General Manager (AGM), Manager, Assistant Manager (AM), Probationary Officer (PO), and Clerk. The designations are in decreasing order of seniority (GM is the senior-most post and Clerk is the junior-most post). - Four designations lie between K’s and L’s designations. K is senior to L. - O is either a Clerk or a Probationary Officer. - There is one designation between O and P, where P is senior to O and junior to Q. - N is junior to M, who is senior to Q. - N is neither an AGM nor an Assistant Manager. Which of the following statements is/are correct? I) O works as a Clerk. II) P works as a Manager. III) K does not work as a General Manager.