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    Question

    Read the following statements and conclusions

    carefully. Assuming the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All Parrot are Penguin All Crow are Parrot No Crow is Owl Conclusions: I. Some Parrot are not Owl II. All Crow are Penguin III. No Penguin is Owl
    A All the conclusions follow Correct Answer Incorrect Answer
    B Only conclusions I and III follow Correct Answer Incorrect Answer
    C Only conclusions I and II follow Correct Answer Incorrect Answer
    D Only conclusions II and III follow Correct Answer Incorrect Answer

    Solution

    No Crow is Owl (E) тЖТ Conversion тЖТ No Owl is Crow (E) + All Crow are Parrot (A) тЖТ Some Parrot are not Owl (O*). Hence conclusion I follows. All Crow are Parrot (A) + All Parrot are Penguin (A) тЖТ All Crow are Penguin (A). Hence conclusion II follows. No Crow is Owl (E) тЖТ Conversion тЖТ No Owl is Crow (E) + All Crow are Penguin (A) тЖТ Some Penguin are not Owl (O*). Hence conclusion III does not follow.

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