Practice Test Discussion

Q)

63.9872×9449.8780÷243.0034=(?)²

    • Explanation

    Given,

    63.9872×9449.8780÷243.0034=(?)²

    It can also be written as

    64×9450÷243=(?)² 

    = 64×39

    = 2496 ≈ (?)²

    [Put ?=x]

    x= 50

    = 2496 ≈ 2500

    Hence, Option C is correct.

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