RBI Grade B Officers Aug 2014 Paper

(i) All triangles are squares →Universal Affirmative (A–type).
(ii) Some rectangles are cones →Particular Affirmative (I–type).
(iii) No square is rectangle →UniversalNegative (E–type).(iv) Some squares are not rectangles→ Particular Negative (O–type).
All triangles are squares.
No square is rectangle.
A + E ⇒ E – type of Conclusion“No triangle is rectangle”. (P)
No square is rectangle.
Some rectangles are cones.
E + I ⇒ O1 – type of Conclusion“Some cones are not squares”. (Q)
No triangle is rectangle.
Some rectangles are cones.
E + I ⇒O1 – type of Conclusion“Some cones are not triangles.” (R)
(1) Conclusion I is Converse ofthe third Premise.