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

  • question_answer
    The     positive     square     root     of \[[0.6\times 0.6\times 0.6+0.4\times 0.4\times 0.4+3\times 0.6\times 0.4]\] is equal to

    A) 2.1736

    B)  1  

    C)  0.21736

    D)  0.072

    Correct Answer: B

    Solution :

         Given expression \[=0.6\times 0.6\times 0.6+0.4\times 0.4\times 0.4\]\[+3\times 0.6\times 0.4\,\,(0.6+0.4)\] \[={{(0.6+0;.4)}^{3}}=1\] \[\therefore \] Required square root = 1


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