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    Question

    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" 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    A 110 Correct Answer Incorrect Answer
    B 180 Correct Answer Incorrect Answer
    C 100 Correct Answer Incorrect Answer
    D 155 Correct Answer Incorrect Answer

    Solution

    ATQ, We know the identity:

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