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CMC Medical CMC-Medical VELLORE Solved Paper-2014

  • question_answer
    \[{{(92)}^{2}}-{{(85)}^{2}}\]is divisible by

    A)  17                         

    B)  11   

    C)  10                         

    D)  59

    Correct Answer: D

    Solution :

                    \[{{(92)}^{2}}-{{(85)}^{2}}=(92+85)\,(92-85)\] \[=177\times 7=3\times 59\times 7\] So, 59 is divisible.


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