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    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.

    Statements: Only a few air are water.

    Every water is pollution. No pollution is noise. Conclusions: All pollution being water is a possibility. Some air can be noise as well. No noise is water is a possibility.
    A Only II and III follows Correct Answer Incorrect Answer
    B Only I and II follow Correct Answer Incorrect Answer
    C Only I follow Correct Answer Incorrect Answer
    D AlI follows Correct Answer Incorrect Answer
    E None follows Correct Answer Incorrect Answer

    Solution

    All water is pollution (A) → Probable conclusion → All pollution may be water (A). Hence conclusion I follows. Some air are water (I) + All water is pollution (A) → Some air are pollution (I) + No pollution is noise (E) → Some air are not noise (O) → Probable conclusion → Some air can be noise (I). Hence conclusion II follows. All water is pollution (A) + No pollution is noise (E) → No water is noise (E). Hence conclusion III does not follow. Alternate Method -

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