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Statements: Some books are red. Some books are thick. Conclusions: I. Some red things are thick.
II. No red thing is thick. Which conclusion(s) follow?

Competition practiceSyllogism
  • AOnly I follows
  • BEither I or II follows
  • COnly II follows
  • DBoth I and II follow

Step-by-Step Solution

Neither conclusion is certain on its own, but 'Some red are thick' and 'No red is thick' are contradictory, so one of them must be true: either I or II follows.
Answer: B) Either I or II follows

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