Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow from the statements.
Statements:
1. All books are magazines.
2. Some books are novels.
Conclusions:
I. Some magazines are books.
II. No Magazine is a book.
III. No novel is a magazine.
IV. Some novels are books.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e Only conclusions I and IV follow.
| Understanding |
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The least possible Venn Diagram for the given statements is drawn below:
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Conclusions: I. Some magazines are books → True (All books are part of magazines, so some magazines are also part of books). II. No Magazine is a book → False (All books are part of magazines, so some magazines are also part of books). III. No novel is a magazine → False (As, some novel are books and all books are magazines, so no novel is magaize is false). IV. Some novels are books → True (As this can be seen from the diagram) Hence, Only conclusions I and IV follow. |
