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

  • question_answer
    Find the volume of cube whose surface area 216 m2.

    A)  \[216\,{{m}^{3}}\]

    B)  \[200\,{{m}^{3}}\]       

    C)  \[210\,{{m}^{3}}\]                             

    D)  \[262\,{{m}^{3}}\]

    Correct Answer: A

    Solution :

    (a): \[S.A=216=\text{ }6{{a}^{2}}.\] \[\Rightarrow a=6\] \[{{a}^{3}}={{6}^{3}}=216.\]                     


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