RBI Grade B Officers 2016 Sep shift 2 Paper

(i) All bedsheets are cupboards→Universal Affirmative (Atype).
(ii) Some cupboards are buckets→Particular Af firmative (Itype).
(iii) No bucket is a tap →UniversalNegative (E-type).
(iv) Some buckets are not taps →Particular Negative (O-type).
(2) Some moons are stars.
All stars are suns.
I + A ⇒ I–type of Conclusion“Some moons are suns.”
Venn diagrams of “Somemoons are suns” :
Venn diagram II supports theConclusion II.Venn diagrams of “All planetsare moons” :

Venn diagrams of “Somemoons are stars” :
After combining Venn diagramsIV and VIII, we get :Venn diagram IX contradictsthe Conclusion I.