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    Question

    In each of the questions below are given four statements followed by four 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 given conclusions logically follows from the given statements disregarding commonly known facts.

    Statement :

    Some towers are pillars.

    Some pillars are buildings.

    All buildings are flats.

    No flat is a house.

    Conclusion:

    Some houses are not buildings.

    Some towers are buildings.

    All pillars being a flats is a possibility.

    All houses may be flats.

    A Only I and III follow Correct Answer Incorrect Answer
    B Only II and III follow Correct Answer Incorrect Answer
    C Only I, II and III follow Correct Answer Incorrect Answer
    D Only I, II and IV follows Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    All buildings are flats(A) + No flat is a house(E)`rArr` No building is a house(E)`rArr` Conversion`=>` Some houses are not buildings (O). Hence, conclusion I will follow. I + I`rArr` No conclusion. Hence, conclusion II will not follow. Some pillars are buildings(I) + All buildings are flats(A)`=>` Some pillars are flats(I)`rArr` Probable conclusion`=>` All pillars being a flats is a possibility. Hence, conclusion III will follow. No flat is a house(E)`=>` conversion`=>` Some houses are flats(O)`=>` Probable conclusion`=>` Some houses being flats is a possibility. Hence, conclusion IV will not follow.

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