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    Question

    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 givenstatements disregarding commonly known facts.

    Statements:  

    All gold are silvers.

    All silvers are diamonds.

    Some diamonds are ruby

    No ruby is silver.

    Conclusions:

    I. No silver is a gold. 

    II. Some rubies are golds.

    III. Some diamonds are golds.

    A Only I follow Correct Answer Incorrect Answer
    B Only II follows Correct Answer Incorrect Answer
    C Only III follows Correct Answer Incorrect Answer
    D Only I & II follows Correct Answer Incorrect Answer

    Solution

    All golds are silvers (A)+ All silvers are diamonds. (A) = All golds are diamonds (A) ⇒ Conversion ⇒ some diamonds are golds. (I) Hence III follows.  

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