Question

In each of the questions below are given four 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. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
All trousers are pants.
Some pants are shirts.
All shirts are buttons.
Some buttons are threads.

Conclusions
I. Some threads are pants.
II. Some buttons are trousers.

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

Answer 1

The correct option is D Neither conclusion I nor II follows

The first and third premises are universal affirmative (A-type).
The second and fourth premises are particular affirmative (I-type).
Some pants are shirts.
All shirts are buttons.
$I+A\Rightarrow I$-type conclusions
Some pants are buttons.