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    Question

    In the question below some statements are given followed by three conclusions I, II and III. 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 conclusion definitely follows from the given statements, disregarding commonly known facts.

    Statements:

    Some Surroundings are Environments.

    All Environments are Forests.

    No Forest is Tree.

    Conclusions:

    I. Some Environments are Forests.

    II. Some Surroundings are Trees.

    III. No Tree is Environment.

    A Only Conclusion I follows. Correct Answer Incorrect Answer
    B Only Conclusions I and III follows Correct Answer Incorrect Answer
    C Only Conclusion II follows Correct Answer Incorrect Answer
    D Only Conclusion III follows Correct Answer Incorrect Answer

    Solution

    All Environments are Forests (A) →I.I. → Some Environments are Forests (I). Hence conclusion I follows. Some Surroundings are Environments (I) + All Environments are Forests (A) → Some Surroundings are Forests (I) + No Forest is Tree (E) → Some Surroundings are not Trees (O). Hence conclusion II does not follows. All Environments are Forest (A) + No Forest is Tree (E) → No Environments is Tree (E) → Conversion → No Tree is Environments (E). Hence conclusion III follows.

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