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SSC Sample Paper Mock Test-20 SSC CGL Tear-II Paper-1

  • question_answer
    The sum of the squares of two numbers is 386. If one of the number is 5, the other will be

    A) 18

    B)  19

    C)  15

    D)  20

    Correct Answer: B

    Solution :

    Let the required number be x Then,    \[{{x}^{2}}+{{5}^{2}}=386\] \[\Rightarrow \] \[{{x}^{2}}=386-25\]\[\Rightarrow \]\[{{x}^{2}}=361\]\[\Rightarrow \]\[x=\sqrt{361}=19\]


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