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    Subject

    Bank Exam

    Topic

    Pubail Bank Ltd. - Senior Officer - 2017

    176+2401\sqrt {176 + \sqrt {2401} } is equal to:

    ক)
    14
    খ)
    15
    গ)
    18
    ঘ)
    24

    Explanation

    Solution: 176+2401 =176+(49  )2   =176+49 =225 =(15  )2  \sqrt {176 + \sqrt {2401} }  = \sqrt {176 + \sqrt {{{(49\;)}^{2\;}}}  = \sqrt {176 + 49} }  = \sqrt {225}  = \sqrt {{{(15\;)}^{2\;}}} = 15.

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