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Statements: All A are B. No B is C. Conclusions: I. No A is C.
II. Some B are not C. Which conclusion(s) follow?

Competition practiceSyllogism
  • AOnly I follows
  • BBoth I and II follow
  • COnly II follows
  • DNeither I nor II follows

Step-by-Step Solution

All A are B and no B is C, so no A is C (I). Since no B is C, certainly some B are not C (II). Both follow.
Answer: B) Both I and II follow

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