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SSC Sample Paper Mock Test-8 SSC CGL Tear-II Paper-1

  • question_answer
    If x and y are whole numbers and thus \[{{x}^{y}}=196.\] What would be value of\[{{(x-y)}^{y-1}}?\]

    A) 11

    B)  13    

    C)  17

    D)  None of these

    Correct Answer: B

    Solution :

      Hence, \[{{x}^{y}}=196={{(14)}^{2}}\] So,       \[x=14\] and \[y=2\] So,       \[{{(x-1)}^{y-1}}={{(14-1)}^{2-1}}={{13}^{1}}=13\]


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