IBPS RRB Officer Prelims 16 Sep 2017 Paper

(i) All plots are themes → UniversalAffirmative (A–type).
(ii) Some themes are fictions →Particular Affirmative (I–type).
(iii) No fiction is a biography →Universal Negative (E–type).
(iv) Some fictions are not biographies→Particular Negative(O–type).
(5) Some themes are fictions.No fiction is a biography.
I + E ⇒ O–type of Conclusion“Some themes are not biographies”.
Venn diagrams of “All plots arethemes” :
Venn diagrams of “Somethemes are not biographies” :

After combining venn diagramsII and IV, we get :

Venn diagram VI contradictsthe Conclusion I.
Ven diagrams III and IV supportsthe Conclusion II.