IBPS RRB Officer Prelims 09 Sep 2017 Shift 2 Paper

(i) All methods are services → UniversalAffirmative (A–type).
(ii) Some demands are requests →Particular Affirmative (I–type).
(iii) No hotel is a cottage →UniversalNegative (E–type).
(iv) Some hotels are not cottages →Particular Negative (O–type).
(3) All methods are services.
All services are demands.
A + A ⇒ A–type of Conclusion“All methods are demands.”
Venn diagrams of “All methodsare demands” :

Venn diagrams of “Some demandsare requests” :

After combining Venn diagramsI and V, we get :

Venn diagram VI supports theConclusion I.
Venn diagrams of “All servicesare demands” :

After combining Venn diagramsV and VII, we get :

Venn diagram IX supports theConclusion II.