IBPS RRB Officer Prelims 14 Nov 2016 Shift 1 Paper

(i) All copies are books → UniversalAffirmative (A–type).
(ii) Some pens are scales → ParticularAffirmative (I–type).
(iii) No book is a pencil → UniversalNegative (E–type).
(iv) Some books are not pencils →Particular Negative (O–type).
All copies are books.
No book is pencil.
A + E⇒E – type of Conclusion“No copy is pencil”. (P)No book is pencil.All pencils are rubbers.E + A⇒ O1–type of Conclusion“Some rubbers are not books”. (Q)
No copy is pencil.
All pencils are rubbers.
E + A⇒O1–type of Conclusion“Some rubbers are not copies”. (R)
(2)Neither Conclusion I norConclusion II follows.