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

Competition practiceSyllogism
  • AOnly II follows
  • BNeither I nor II follows
  • CBoth I and II follow
  • DOnly I follows

Step-by-Step Solution

All pens are pencils, and no pen is a book (no book is a pen). Those pencils that are pens are therefore not books, so some pencils are not books (I follows). II is not guaranteed. Only I follows.
Answer: D) Only I follows

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