Question

In each of the questions below are given four statements followed by three conclusions numbered I, II, and III. 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
Some desks are chairs.
Some chairs are pens.
Some pens are drawers.

Conclusions
I. Some drawers are desks.
II. Some drawers are chairs.
III. No drawer is a chair.

• A. None follows
• B. Only II follows
• C. Only III follows
• D. Only either II or III follows
• E. Only I and either II or III follow

Answer 1

The correct option is A None follows

Some desks are chairs (I-type)
1. Conversion some chairs are desks
2. Some chairs are pens (I-type)
Conversion Some pens are chairs
3. Some pens are drawers (I-type)
Conversion some drawers are pens
No mediate inference is possible as
$I+I\to$ No conclusion possible