RBI Grade B Officers 2016 Sep shift 2 Paper

Question : 147 of 200

Marks: +1, -0

Statements
Some plants are animals.
Some animals are flowers.
Some flowers are insects.
Conclusions
I. All insects being plants is a possibility.
II. Atleast some animals are insects.

if neither conclusionI nor II follows
if only conclusionII follows
if either conclusionI or II follows
if both conclusionsI and II follow
if only conclusionI follows

Validate

Solution:

(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).

(4) All the three Premises areParticular Affirmative (I-type).
No Conclusion follows from thetwo Particular Premises.
Venn diagrams of “Some plantsare animals” :
(iv) Some buckets are not taps →Particular Negative (O-type).

Venn diagrams of “Some animalsare flowers” :

After combining Venn diagramsII, V and VIII, we get :

Venn diagram X supports both

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