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    Three statements are followed by three conclusions numbered I, IT and II. You have to consider these statements to be true, even if they seem to be at
    Question

    Three statements are followed by three conclusions numbered I, IT and II. You have to consider these statements to be true, even if they seem to be at variance with commonly known facts. Decide which of the given conclusions Logically follow(s) from the given statement.
    I. All lamps are lanterns.
    II. All lanterns are torches.
    III. All torches are candles.
    Conclusions:
    (I) Some candles are lamps
    (II) All lanterns are lamps
    (III) No lantern is a lamp

    A.

    Only conclusion II follows

    B.

    Only conclusion I and II follows

    C.

    Only conclusion I follows

    D.

    None of the conclusions follow

    Correct option is C

    Statements:
    I. All lamps are lanterns.
    II. All lanterns are torches.
    III. All torches are candles.
    Venn diagram:
    ​Conclusions:
    (I) Some candles are lamps → True→ (All lamps are lanterns, all lanterns are torches & all torches are candles which means there is an indirect relation between some candles and lamps, so Some candles are lamps will be follow).
    (II) All lanterns are lamps → False → (It can be possible not definite, so does not follow).
    (III) No lantern is a lamp →False → (It is clearly given that all lamps are lanterns which means there are some lanterns which are definitely lamps thus the conclusion does not follow).
    Thus, only conclusion I follow.
    Hence, the correct answer is (c)

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