Statement: Some doors are walls. All walls are floors. All floors are rooms. Som

CuriousTab

Discussion

Home ‣ Verbal Reasoning ‣ Syllogism See What Others Are Saying!

Question
Statement:
Some doors are walls. All walls are floors. All floors are rooms. Some rooms are windows.
Conclusions:
I. All walls are rooms.
II. Some rooms are doors.
III. Some rooms are doors.
IV. Some floors are doors.
Options
A. None follows
B. Only I & II follows
C. Only II & III follows
D. Only I, III & IV follows

Correct Answer

Only I, III & IV follows

Explanation

All walls are floors + All floors are rooms = A + A = A = All walls are rooms Hence I follows. Some doors are walls + All walls are floors = I + A = I = Some doors are rooms ? conversion ? Some rooms are doors (I). Hence II follows. Conversion of gives us III. Some doors are walls + All walls are floors = I + A = I = Some doors (I) Hence IV follows.

CuriousTab

CuriousTab

Discussion

Statement:
Some doors are walls. All walls are floors. All floors are rooms. Some rooms are windows.
Conclusions:
I. All walls are rooms.
II. Some rooms are doors.
III. Some rooms are doors.
IV. Some floors are doors.

More questions

More in Verbal Reasoning:

Aptitude

Engineering

Programming

Reasoning

Links

CuriousTab

CuriousTab

Discussion

Statement: Some doors are walls. All walls are floors. All floors are rooms. Some rooms are windows. Conclusions: I. All walls are rooms. II. Some rooms are doors. III. Some rooms are doors. IV. Some floors are doors.

More questions

More in Verbal Reasoning:

Aptitude

Engineering

Programming

Reasoning

Links

Social

Statement:
Some doors are walls. All walls are floors. All floors are rooms. Some rooms are windows.
Conclusions:
I. All walls are rooms.
II. Some rooms are doors.
III. Some rooms are doors.
IV. Some floors are doors.