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SSC Sample Paper SSC CGL - Sample Paper-26

  • question_answer
    The value of \[\sqrt{{{(0.798)}^{2}}0.404\times 0.798+{{(0.202)}^{2}}}+1\] is

    A) 0                                 

    B) 2

    C) 1.596               

    D) 0.404

    Correct Answer: B

    Solution :

    \[\sqrt{{{(0.798)}^{2}}+0.404\times 0.798+{{(0.202)}^{2}}}+1\] \[=\sqrt{{{(0.798)}^{2}}+2\times 0.202\times 0.798+{{(0.202)}^{2}}}+1\] \[=\sqrt{{{(0.798+0.202)}^{2}}}+1\] \[=1+1=2\]


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