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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 + 4.113 = 25.92

    – 32.03
    A 16 Correct Answer Incorrect Answer
    B 9 Correct Answer Incorrect Answer
    C 25 Correct Answer Incorrect Answer
    D 32 Correct Answer Incorrect Answer
    E 23 Correct Answer Incorrect Answer

    Solution

    (?)2 + 43 = 252 – 32 (?)2 + 64 = 625 – 32 (?)2 = 593 – 64 (?)2 = 529 ? = 23

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