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    Question

    What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)

    (?)2 + 7.113 =

    21.92 ndash; 41.03
    A 31 Correct Answer Incorrect Answer
    B 23 Correct Answer Incorrect Answer
    C 27 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer
    E 17 Correct Answer Incorrect Answer

    Solution

    (?
    )2 + 73 = 222 ndash; 41 (?
    )2 + 343 = 484 ndash; 41 (?
    )2 = 443 ndash; 343 (?
    )2 = 100 ?
    = 10

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