Statements: (a) No mobile is a watch. (b) All watches are calculators. Conclusions: I. No calculator is a mobile. II. Some calculators are mobiles.

Neither Conclusion I nor II follows
Only Conclusion I follows.
Only Conclusion II follows.
Either Conclusion I or II follows.

Correct Answer: Either Conclusion I or II follows.

Explanation:

No mobile is a watch. ↔ All watches are calculators.
E + A ⇒ O₁-type of Conclusion. "Some calculators are not mobiles".
Conclusions I and II form Complementary Pair, Therefore, either Conclusion I or Conclusion II follows.

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