Question

In each question below are three statements followed by two conclusions numbered I and II. You have to take the 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 three statements disregarding commonly known facts.

Statements
Some papers are files.
All files are books.
Some books are printers.

Conclusions
I. Some files are printers.
II. Some books are papers.

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

Answer 1

The correct option is B Only conclusion II follows

The first and third premises are particular affirmative (I-type).
The second premise is a universal affirmative (A-type).
Some papers are files.
All files are books.
$I+A\Rightarrow I$- type conclusion
Some papers are books.
Conclusion II is the converse of the derived conclusion.