RBI Grade B Officers 2011 dec Paper

(i) All colours are varnishes→Universal Affirmative (A-type).
(ii) Some colours are paints →Particular Affirmative (I-type).
(iii) No triangle is circle →Universal Negative (E-type).
(iv) Some triangles are not circles→Particular Negative (O-type).
Some paints are colours.
All colours are varnishes.
I + A⇒ I-type of Conclusion
“Some paints are varnishes.”(P)
All colours are varnishes.
No varnish is dye.
A + E⇒ E-type of Conclusion
“No colour is dye.” (Q)
Some paints are varnishes.
No varnish is dye.
I + E ⇒O-type of Conclusion“Some paints are not dye.” (R)
(2) Some paints are varnishes.Therefore, Conclusion II is possible.