In the given Venn diagram, circle A represents books, circle B represents pens and circle C represents pencils. Which number represents only books and pencils?

Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e 16
From the Venn diagram:

⇒The area with the intersection of books and pencils but not pens = 16
Hence, the correct answer is 16.