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Statements: All A are B. Some B are C. All C are D. Conclusions: I. Some D are B.
II. Some A are D. Which conclusion(s) follow?

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

Step-by-Step Solution

Some B are C and all C are D give 'some B are D', hence 'some D are B' (I). The A–C link is only 'some', so 'some A are D' (II) is not guaranteed.
Answer: C) Only I follows

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