Question

    Statements: All ribbons are mat.

    >Some mats are ropes. No rope is a thread. All thread is a needle. Conclusions: I. All ribbons are ropes. II. No mat may be thread. III. Some needles are threads. In each of the questions below are given four statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.
    A Only I and II follow Correct Answer Incorrect Answer
    B Only I and III follow Correct Answer Incorrect Answer
    C Only II and III follow Correct Answer Incorrect Answer
    D All follow Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    All ribbons are mat. (A) + Some mats are ropes. (I) ⇒ No conclusion. Hence, conclusion I does not follows. Some mats are ropes. (I) + No rope is a thread. (E) ⇒ Some mats are not thread. (O) ⇒ probable conclusion ⇒ No mat may be thread. Hence, conclusion II follows. All thread is a needle(A) ⇒ conversion ⇒ Some needles are thread. (I) Hence, conclusion III follows.

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