Question

In each question below are two/three statements followed by two conclusions numbered I and II. You have to take the two/three 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
No paper is a book.
Some books are libraries

Conclusions
I. All libraries being books is a possibility.
II. No library is paper.

• A. Only conclusion I follows
• B. Only conclusion II follows
• C. Either conclusion I or conclusion II follows
• D. Neither conclusion I nor conclusion II follows
• E. Both conclusion I and conclusion II follow

Answer 1

The correct option is A Only conclusion I follows

No paper is a book.
Some books are libraries.
$E+I\Rightarrow O_1$-type of conclusion
Some libraries are not papers.
Conclusion I may be derived from the second premise.