mdcat logical reasoning MCQ #411

Given: No reptiles are mammals. All lizards are reptiles. Which conclusion is valid?

mdcat logical reasoning MCQ #411

  1. Question 1

    Q1. Given: No reptiles are mammals. All lizards are reptiles. Which conclusion is valid?

    • A) Lizards are not mammals.
    • B) Mammals are lizards.
    • C) Some lizards are mammals.
    • D) Reptiles and mammals overlap.

    Answer: Lizards are not mammals.

    Explanation: Transitive exclusion applies (Lizards⊂Reptiles⊄Mammals). Lizards are not mammals is correct because it matches what the question requires. USAT, HAT and MDCAT analytical sections repeat this pattern.