Question

Statements: Some cats are black.
All blacks are dogs.
No dog is an animal.
Conclusions: I. No black is an animal.
II. Some cats which are dogs are not animals.

• A. if only conclusion I follows.
• B. if only conclusion II follows.
• C. if either conclusion I or II follows.
• D. if neither conclusion I nor II follows.
• E. if both conclusions I and II follow.

Answer 1

The correct option is E if both conclusions I and II follow.

Conclusion I:As there is no connection between dogs and animal. There can be no connection with black and animal because black circle is fully inside dogs.

Conclusion II: Some cats which are dogs (red area) have no connection with animals because dogs have no connection with animals.

Both conclusion follows

Answer (E)