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SSC Sample Paper SSC CGL - Sample Paper-5

  • question_answer
    The sum of \[\sqrt{0.01}+\sqrt{0.81}+\sqrt{1.21}+\sqrt{0.0009}\] is

    A)  2.1                              

    B)  2.13

    C)  2.03                            

    D)  4000

    Correct Answer: B

    Solution :

    \[\sqrt{0.01}+\sqrt{0.81}+\sqrt{1.21}+\sqrt{0.0009}\] \[=\sqrt{\frac{1}{100}}+\sqrt{\frac{81}{100}}+\sqrt{\frac{121}{100}}+\sqrt{\frac{9}{10000}}\] \[=\frac{1}{10}+\frac{9}{10}+\frac{11}{10}+\frac{3}{100}\] \[=0.1+0.9+1.1+0.03\] = 2.13


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