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    Question

    I n each question three statements followed by three conclusions numbered I, II and III have been given. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements.

    Statements:  

    No clock is a minute.

    Some seconds are clocks.

    All hours are minute

    Conclusions:

    I. Some minutes are not seconds.

    II. Some minutes are not clocks.

    III. All hours are definitely not minutes.

    A Only I and III follow Correct Answer Incorrect Answer
    B All I, II, III and follow Correct Answer Incorrect Answer
    C Only III follow Correct Answer Incorrect Answer
    D Only II and III follow Correct Answer Incorrect Answer
    E Only II follows Correct Answer Incorrect Answer

    Solution

    Some seconds are clocks (I) + No clock is a minute (E) → Some seconds are not minutes (O). Hence conclusion I does not follow. No clock is a minute (E) → Conversion → Some minutes are not clocks (O). Hence conclusion II follows. All hours are minute (A) → I.I. → Some hours are minutes (I). Hence conclusion II does not follow.

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