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    Question

    What approximate value

    will replace the question mark (?) in the following? √361.4 + √? – ³√512.2 = √289.6
    A 36 Correct Answer Incorrect Answer
    B 81 Correct Answer Incorrect Answer
    C 67 Correct Answer Incorrect Answer
    D 49 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    √361.4 + √? – ³√512.2 = √289.6 √361 + √? – ³√512 ~ √289 19 + √? – 8 ~ 17 √? ~ 6 ? ~ 36

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