Three statements are given followed by four conclusions I, II, III and IV. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements.
  Statements:
Some books are novels.
All novels are magazines.
Some magazines are journals.
  Conclusions:
I. Some novels are journals.
  II. Some books are magazines.
  III. All books are magazines.
IV. No novel is a journal.

Options

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

Answer

D

Explanation

First and third Premises are Particular Affirmative (I-type).
Second Premise is Universal Affirmative (A-type). 

`I +A rArr` I- type of Conclusion.
"Some books are magazines."
It is Conclusion II.
Conclusions I and IV form Complementary Pair. Therefore, either Conclusion I or IV follows.