Statements: (a) All dogs are books (b) All books are pictures. Conclusion: I. All dogs are pictures. II. All books are dogs. III. All pictures are dogs. IV. Some pictures are books.

Only I and IV follow
Only II and III follow
Either II or III follows
Either II or IV follows

Correct Answer: Only I and IV follow

Explanation:

Both the Premises are Universal Affirmative (A-type).
All dogs are books. ↔ All books are pictures.
A + A ⇒ A-type of Conclusion "All dogs are pictures."
This is Conclusion I.
Conclusion IV is Converse of the second Premise.

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