Question

    3? x 23 ÷ √ 256 =

    40.5 What will come in the place of question mark (?) in the given expression?
    A 10 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    C 9 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    3? x 23 ÷ √256 = 40.5 => 3? x 23 ÷ 16 = 40.5 => 3? x 8 ÷ 16 = 40.5 => 3? = 81 => 3?  = 34 => ? = 4

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