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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 + 5.113 = 26.92

    – 28.03 
    A 11 Correct Answer Incorrect Answer
    B 18 Correct Answer Incorrect Answer
    C 24 Correct Answer Incorrect Answer
    D 32 Correct Answer Incorrect Answer
    E 39 Correct Answer Incorrect Answer

    Solution

    (?)2 + 53 = 272 – 28 (?)2 + 125 = 729 – 28 (?)2 = 701 – 125 (?)2 = 576 ? = 24

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