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SSC Sample Paper Mock Test-18 SSC CGL Tear-II Paper-1

  • question_answer
    \[\frac{{{(27.5-19.3)}^{2}}+{{(19.3+27.5)}^{2}}}{{{(19.3)}^{2}}+{{(27.5)}^{2}}}\]is equal to

    A) 4

    B)  3

    C)  2

    D)  1

    Correct Answer: C

    Solution :

    Given expression \[=\frac{{{(a-b)}^{2}}+{{(a+b)}^{2}}}{({{a}^{2}}+{{b}^{2}})},\]where a = 27.5 and \[b=19.3=\frac{2\,\,({{a}^{2}}+{{b}^{2}})}{({{a}^{2}}+{{b}^{2}})}=2\]


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