Statements: All students are boys. No boy is dull. Conclusions: I. There are no girls in the class. II. No student is dull.

Only conclusion I follows
Only conclusion II follows
Both conclusions I and II follow
Neither conclusion I nor conclusion II follows

Correct Answer: Only conclusion II follows

Explanation:

First Premise is Universal Affirmative and the second Premise is Universal Negative (E-type).
All students are boys. ↔ No boy is dull.
A + E ⇒ E–type of Conclusion "No student is dull"
This is conclusion II.

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