question_answer

Direction: In the question sets below are, two/three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:

Some Pencils are blankets.

All blankets are erasers.

Conclusions:

I. At least some pencils are erasers.

II. All erasers being pencils is a possibility.

A)  if only conclusion I follows.

B)  if only conclusion II follows.

C)  if either conclusion I or conclusion II follows.

D)  if neither conclusion I nor conclusion II follows.

E)  if both conclusion I and conclusion II follow.

Correct Answer: E

Solution :

(i) All stars are bottles\[\to \]Universal Affirmative (A-type).

(ii) Some bottles are papers\[\to \]Particular Affirmative (I-type).

(iii) No paper is calendar\[\to \]Universal Negative (E-type).

(iv) Some papers are not calendars \[\to \]Particular Negative (O- type).

Some pencils are blankets. All blankets are erasers. \[I+A\Rightarrow \]I-type of Conclusion "Some pencils are erasers.??  We have derived the Conclusion : "Some pencils are erasers.?? It may be illustrated by Venn Diagrams as : Conclusion I is derived Conclusion. Conclusion II also follows.