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 at variance with 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:-
I. Some cats are dogs.
II. All dogs are goats.
III. All goats are walls.

Conclusions:-
I. Some walls are dogs.
II. Some walls are cats.

• 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 E Both conclusions I and II follow

Mediate term of the first two statements are
some cats are dogs (I-type)
$\downarrow$
All dogs are goats (A-type)
$I+A\to I-type$
Some cats are goats.....(i)
The term 'goats' is common is last two statements so mediate term of the last wo statment is
All dogs are goats (A-type)
$\downarrow$
All goats are walls (A-type)
$A+A\to A-type$
All dogs are walls...(ii)
Conversion some walls are dogs
(Conclusion I follows)
Mediate term of first statement and eq.....(ii)
Some cats are dogs (I-type)
$\downarrow$
All dogs are walls (A-type) $I+A\to I-type$
Some cats are walls.
Conversion some walls are cats.
(Conclusion II follows)
or

So, both I and II follow.