Statement: All desks are rooms. Some rooms are halls. All halls are leaves. Conclusions: I. Some leaves are desks. II. Some halls are desks. III. Some leaves are rooms.

None follows
Only I follows
Only II follows
Only III follows

Correct Answer: Only III follows

Explanation:

Some rooms are halls + All halls are leaves = I + A = I = Some rooms are leaves → conversion → Some leaves are rooms(I) Hence III follows. All desks are rooms + Some rooms are halls = A + I = No conclusion Hence II and consequently I do not follow.

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