Statements: No book is a hook.
All hooks are birds.
Conclusions: I Some birds are not books
II Some birds are books.
III Some books are not birds.
IV. Some books are birds.

Options

A. Either I or II and either III or IV follow
B. Either I or II and III follow
C. Either III or IV and I follow
D. I and III follows

Answer

C

Explanation

No book is a hook + All hooks are birds - E+A= O reversed. Hence. "Some birds are not books" follows. Again, III and IV make a [I-O type] complementary pair, hence one of them must be true