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    Question

    What approximate value will come in place of question mark (?) in the given equations?

    (67.2)2 – (8.9)2 –

    (22.02)2 =?
    A 2924 Correct Answer Incorrect Answer
    B 3924 Correct Answer Incorrect Answer
    C 3294 Correct Answer Incorrect Answer
    D 4408 Correct Answer Incorrect Answer
    E 3824 Correct Answer Incorrect Answer

    Solution

    (67)2 – (9)2 – (22)2 =? 4489 – 81 – 484 =? ? = 3924

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