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    Question

    If  

    src='https://static.ixambee.com/public/images/quesimg/Question Bank/Quantitative Aptitude/Algebra/74536_9150673.gif'>   = 4 then   = ?
    A 120 Correct Answer Incorrect Answer
    B 194 Correct Answer Incorrect Answer
    C 207 Correct Answer Incorrect Answer
    D 501 Correct Answer Incorrect Answer

    Solution

    If   = N then   = N2 -2 So,   = 42-2 = 14 Hence,     = 142-2 = 196-2 = 194

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