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

Competition practiceSyllogism
  • ABoth I and II follow
  • BOnly I follows
  • COnly II follows
  • DNeither I nor II follows

Step-by-Step Solution

All pens are books and all books are chairs, so all pens are chairs (I follows). If all pens are chairs, then some chairs are certainly pens (II follows). Both follow.
Answer: A) Both I and II follow

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