IBPS RRB Officer Prelims 10 Sep 2017 Paper

(i) All alternatives are choices →Universal Affirmative (A–type).
(ii) Some posts are mails→ ParticularAffirmative (I–type)
(iii) No letter is circular → UniversalNegative (E–type).
(iv) Some letters are not circulars→ Particular Negative (O–type).
All alternatives are choices.No choice is a question.
A + E ⇒ E= type of Conclusion“No alternative is a question.”
Venn diagrams of “No optionis a question” and “No alternativeis a question” :

Thus, “All alternatives can neverbe options”.