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Banking Sample Paper SBI Clerk Grade (Main) Sample Test Paper-2

  • question_answer
    If \[{{\left( 11 \right)}^{3}}\]is subtracted from the square of a number, the answer so obtained is 7694. What is the number?

    A)  85

    B)  93

    C)  95

    D)  83

    E)  None of these

    Correct Answer: C

    Solution :

       Let the number be x. According to the question, \[{{x}^{2}}-{{(11)}^{3}}=7694\] \[\Rightarrow {{x}^{2}}-1331=7694\] \[\Rightarrow {{x}^{2}}=7694+1331=9025\] \[\therefore \,\,x=\sqrt{9025}=95\]                      


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