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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-1

  • question_answer
    \[{{55}^{3}}+{{17}^{3}}-{{72}^{3}}+201960\]is equal to

    A) \[-1\]                            

    B) \[0\]  

    C) \[1\]                 

    D)        \[17\]

    Correct Answer: B

    Solution :

     \[a=55,\,\,b=17,\,\,c=-72\] \[a+b+c=55+17-72=0\] \[\therefore \]      \[{{a}^{3}}+{{b}^{3}}+{{c}^{3}}-3abc=0\]


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