mdcat logical reasoning MCQ #397

If 'No reptiles are mammals' and 'All snakes are reptiles', what conclusion is valid?

mdcat logical reasoning MCQ #397

  1. Question 1

    Q1. If 'No reptiles are mammals' and 'All snakes are reptiles', what conclusion is valid?

    • A) No snakes are mammals.
    • B) Some snakes are mammals.
    • C) All mammals are snakes.
    • D) Reptiles are a subset of mammals.

    Answer: No snakes are mammals.

    Explanation: A. This is a categorical syllogism. B/D contradict the premises; C reverses the relationships.