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    Question

    Statements:Some fishes are octopus. All octopuses

    are crocodiles. Some crocodiles are families. Conclusions:I. some crocodiles are not octopus. II. Some fishes are not families. In each of the questions below are given three statements followed by three conclusions numbered I and II. 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. Give answer
    A If only conclusion I follows. Correct Answer Incorrect Answer
    B If only conclusion II follows. Correct Answer Incorrect Answer
    C If either conclusion I or conclusion II follows. Correct Answer Incorrect Answer
    D If neither conclusion I nor conclusion II follows. Correct Answer Incorrect Answer
    E If both conclusion I and conclusion II follows. Correct Answer Incorrect Answer

    Solution

    All the three statements are positive statements and both conclusions are negative conclusions. Hence, neither conclusion I nor II will follow. ALTERNATE METHOD: All possible cases: It is evident from the venn diagrams that both I and II are not true.

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