Statements : Some houses are offices. Some offices are schools. Conclusions : I.

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Statements : Some houses are offices. Some offices are schools.
Conclusions :
I. Some schools are houses.
II. Some offices are houses.
III. No house is school.
IV. Some schools are offices.

Options:

A . Only II and III follow

B . Only I and IV follow

C . Only either III or IV, and I follow

D . Only II and IV and either I or III follow.

Answer: Option D
Since both the premises are particular, no definite conclusion follows. However, I and III involve only the extreme terms and form a complementary pair. So, either I or III follows. II is the converse of the first premise while IV is the converse of the second premise. Thus, both of them hold.

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