Question

In each of the questions below are given three 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 a 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 walls are windows.
Some windows are doors.
All doors are roofs.

Conclusions
I.Some doors are walls.
II. No roof is a window.

• A. Only conclusion I is true
• B. Only conclusion II is true
• C. Either conclusion I or conclusion II is true
• D. Neither conclusion I nor conclusion II is true
• E. Both conclusions I and II are true

Answer 1

The correct option is D Neither conclusion I nor conclusion II is true

Some windows are doors.
All doors are roofs.
$I+A\Rightarrow I$-type of conclusion
Some windows are roofs.