Question

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

Statements
All jackets are trousers.
No trouser is a shirt.
Some shirts are caps.

Conclusions
I. Some caps are jackets.
II. Some shirts are jackets.
III. Some trousers are jackets.

• A. Only I follows
• B. Only II follows
• C. Only III follows
• D. All follow
• E. None of these

Answer 1

The correct option is C Only III follows

Mediate term of the following statements is
All jackets are trousers (A-type)
No trouser is a shirt (E-type)
$A+E\to E-type$
No jacket is a shirt
Another mediate term is
No trouser is a shirt (E-type)
Some shirts are caps (I-type)
$E+I\to O_{R}type$
Some caps are not trousers
All jackets are trousers
Conversion some trousers are jackets
(Conclusion III follows)

Only conclusion III follows.