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    Question

    Statement: Some boxes are

    photos. No photo is image. Only few photos are wires. All papers are wires. Conclusions: I. All papers can be photos. II. Some wires are not images. III. Some boxes are not wires. IV. No paper is image. In each of the questions below are given four statements followed by four conclusions numbered I, II, III and IV. 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.
    A Only I and II follow Correct Answer Incorrect Answer
    B Only III and IV follow Correct Answer Incorrect Answer
    C Only II, III and IV follow Correct Answer Incorrect Answer
    D Only I and IV follow Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    All papers are wires. (A) + Some wires are photos (I) ⇒ Probable conclusion ⇒ All papers may be photos (A). Hence conclusion I follows.
    All wires are photos (I) + No photo is image (E) ⇒ No wire is an image (E) ⇒ Conversion ⇒No image is a wire (E) ⇒ Conversion ⇒ Some wires are not images. Hence conclusion II follows.
    Some boxes are photos (I) + Some photos are wires (I) ⇒ No conclusion. Hence conclusion III does not follow.
    All wires are photos (I) + No photo is image (E) ⇒ No wire is an image (E) ⇒ Conversion ⇒No image is a wire (E) + Some wires are papers (I) ⇒ No conclusion. Hence conclusion IV does not follow.

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