Question

In each of the questions below four statements are given, 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 the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
All dolls are mats.
No mat is a sofa.
Some sofas are rooms.
All rooms are hills.

Conclusions
I. Some hills are dolls.
II. Some rooms are dolls.
III. Some rooms are mats.
IV. Some hills are mats.

• A. None follows
• B. Only I follows
• C. Only II follows
• D. Only III follows
• E. Only IV follows

Answer 1

The correct option is A None follows

All dolls are mats.
No mat is a sofa.
$A+E\Rightarrow E$-type of conclusion
No doll is a sofa.
No mat is a sofa.
Some sofas are rooms.
$E+I\Rightarrow O_1$-type of conclusion
Some rooms are not mats.
Some sofas are rooms.
All rooms are hills.
$I+A\Rightarrow I$-type of conclusion
Some sofas are hills.