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All doctors are graduates, and some graduates are singers. On this basis, which conclusion(s) logically follow? I. Some doctors are singers.
II. All singers are graduates.

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

Step-by-Step Solution

The singers who are graduates need not include any doctor, so I fails. Only some singers are known to be graduates, so II fails too.
Answer: B) Neither I nor II follows

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