Given below are two statements and two conclusions. Take the statements to be true even if they are at variance with commonly known facts, and decide whether the conclusion(s) follow(s) the given statements.
Statements:
All dogs are cats.
Some cats are not dolls.
Conclusions:
I. All dolls are cats.
II. Some cats are dogs.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Only conclusion II follows.
The least possible Venn Diagram will be :

Conclusion :
I. All dolls are cats.⇒ False (It is possible but not definite)
II. Some cats are dogs.⇒True ( As All dogs are cats so some cats are dogs)