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SSC Sample Paper SSC CGL - Sample Paper-5

  • question_answer
    The square root of \[({{272}^{2}}-{{128}^{2}})\] is

    A)  256                             

    B)  8

    C)  240                 

    D)  144

    Correct Answer: C

    Solution :

    \[\sqrt{{{(272)}^{2}}-{{(128)}^{2}}}\] \[\ddot{y}\ddot{y}\ddot{y}\ddot{y}\]             \[=\sqrt{12\times 12\times 20\times 20}\]             \[=12\times 20=240\]    


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