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Railways Sample Paper RRB (Group D) Sample Test Paper-9

  • question_answer
    If x=2then the value of \[{{x}^{3}}+27{{x}^{2}}+243x+631\]

    A)  1233   

    B)  1231

    C)  1321               

    D)  1211

    Correct Answer: A

    Solution :

    [a] Given \[x=2\] Then \[{{x}^{3}}+27{{x}^{2}}+243x+631\] \[=8+108+486+631\] \[=1233\]


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