Question

In each of the questions below, there are three statements followed by four conclusions numbered I, II, III and IV. 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 doors are windows.
All houses are windows.
Some windows are soaps.

Conclusions
I. Some doors are houses.
II. Some houses are soaps.
III. Some soaps are doors.
IV. All soaps are windows.

• A. None of the above
• B. I only
• C. I and III only
• D. II and IV only
• E. All of the above

Answer 1

The correct option is A None of the above

The first and second premises are universal affirmative (A-type).
The third premise is particular affirmative (I-type).
All doors are windows.
Some windows are soaps.
We know that,
$A+I\Rightarrow$No conclusion