SSC Sample Paper Mock Test-15 SSC CGL Tear-II Paper-1

  • question_answer
    \[\left[ 2\sqrt{54}-6\sqrt{\frac{2}{3}}-\sqrt{96} \right]\]is equal to

    A) 0

    B)  1

    C)  2

    D)  \[\sqrt{6}\]

    Correct Answer: A

    Solution :

    Given expression \[=2\sqrt{54}-6\sqrt{\frac{2}{3}}-\sqrt{96}\] \[=2\sqrt{9\times 6}-\sqrt{\frac{2\times 6\times 6}{3}}-\sqrt{16\times 6}\] \[=2\times 3\sqrt{6}-2\sqrt{6}-4\sqrt{6}=0\]


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