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    Question

    What approximate value should come in place of (?) in the following questions?

    √624.98 - ? = √(62.30 + 13.99 –

    2.93)
    A 33 Correct Answer Incorrect Answer
    B 28 Correct Answer Incorrect Answer
    C 18 Correct Answer Incorrect Answer
    D 19 Correct Answer Incorrect Answer
    E 21 Correct Answer Incorrect Answer

    Solution

    √624.98 - ? = √(62.30 + 13.99 – 2.93) => √625 - ? = √(62 + 14 – 33) => 25 - ? = √(62 + 14 – 27) => 25 - ? = √49 => 25 - ? = 7 => ? = 25 – 7 = 18

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