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Statements: Some books are pens. No pen is a pencil. Conclusions: I. Some books are not pencils.
II. All books are pencils. Which conclusion(s) follow?

Competition practiceSyllogism
  • ABoth I and II follow
  • BOnly II follows
  • CNeither I nor II follows
  • DOnly I follows

Step-by-Step Solution

The books that are pens cannot be pencils (no pen is a pencil), so some books are not pencils (I follows). This directly makes 'all books are pencils' false (II does not follow).
Answer: D) Only I follows

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