New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    In each of the question below are given some statements followed by some conclusions. 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 the given conclusions logically follows from the given statements, disregarding commonly known facts. 

    Statement: Only a few clock are timer    

    Only timer is needle No clock is watch.    Conclusion: I. Some needle are not watch.  II. Some clock are not needle.            III. Some watches are timer. 
    A If only conclusion I follows Correct Answer Incorrect Answer
    B If only conclusion II follows Correct Answer Incorrect Answer
    C If only conclusion II and III follow Correct Answer Incorrect Answer
    D If only conclusion I and III follow Correct Answer Incorrect Answer
    E None follow Correct Answer Incorrect Answer

    Solution

    Only timer is needle means All needle are timer and in this needle will not have any relation to anyone. Hence neither conclusion I nor II follow.   No clock is watch (E) → Conversion →  No watch is clock (E) + Some clock are timer (I) → Some timer are not  watch (O*). Hence conclusion III does not follow. Alternate Method -

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