Question

    Statements: Some switches are boards.

    All boards are lights. All lights are bulbs Conclusions: I. All bulbs are boards. II. Some boards may not be switches. III. No light may be bulbs. (Q.156-160): In each of the questions below are given three 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 None follows Correct Answer Incorrect Answer
    B Only I follows Correct Answer Incorrect Answer
    C Only II follows Correct Answer Incorrect Answer
    D Only I and III follow Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Some switches are boards (I) ⇒ conversion ⇒ Some boards are switches (I) ⇒ probable conclusion ⇒ Some boards may not be switches.(O). Hence, II follows.

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