Practice Test Discussion

Q)

(25.01)²-(15.99)²=?

[Andhra Bank (PO), 2009]


  • Explanation

    Given,

    (25.01)²-(15.99)²=?

    It can also be approximated as

    (25)²-(16)²=?

    = 625-256

    = 369

    Hence, Option C is correct.

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