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Statements: All doctors are engineers. Some engineers are teachers. Conclusions: I. Some doctors being teachers is a possibility.
II. All engineers being doctors is a possibility. Which conclusion(s) follow?

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

Step-by-Step Solution

Doctors are a subset of engineers, so some of the teacher-engineers could be doctors (I is a valid possibility). The engineer set could coincide exactly with doctors while still having some teachers, so 'all engineers being doctors' is also possible (II follows).
Answer: A) Both conclusions I and II follow

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