Statements: (a) Some books are mobiles. (b) Some calculators are mobiles. Conclusions: I. Some mobiles are calculators. II. Some mobiles are books.

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

Correct Answer: Both conclusions I and II follow

Explanation:

Both the Premises are Particular Affirmative (I-type). No Conclusion follows from the two Particular Premises.
Conclusion I is the Converse of the second Premise.
Conclusion II is the converse of the first Premise.

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