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Statements: All pens are books. All books are papers. Some papers are files. Conclusions: I. Some papers are pens.
II. Some files are books. Which conclusion(s) definitely follow(s)?

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

Step-by-Step Solution

All pens are books and all books are papers, so all pens are papers; converting gives 'some papers are pens' — I follows. 'Some papers are files' gives no definite link between files and books, so II does not follow.
Answer: D) Only conclusion I follows

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