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    Question

    What should come at the place of question mark (?) in the following question?

    24 × ?2 – 11 × 4 =

    1900
    A 10 Correct Answer Incorrect Answer
    B 9 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    24 × ?2– 11 × 4 = 1900 => 24 × ?2– 44 = 1900 => 24 × ?2= 1944 => ?2= 1944/24 => ?2= 81 => ? = 9

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