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8th Class Mathematics Cubes and Cube Roots Question Bank Cubes and Cube Roots

  • question_answer
    The product \[864\times n\] is a perfect cube. What is the smallest possible value of 'n'?

    A)  \[2\]                                    

    B)                         \[1\]                    

    C)                         \[4\]                                    

    D)                         \[3\]

    Correct Answer: A

    Solution :

    \[864\times 2=1728={{12}^{3}}\] which is a perfect cube. Hence, the smallest possible value of 'n' is 2.


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