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  3. 9th Class
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  5. Surface Areas and Volumes

9th Class Mathematics Surface Areas and Volumes Question Bank Surface Areas and Volumes

  • question_answer
    If each edge of a cube, of volume, V, is doubled, find the volume of the new cube.

    A)  2V                              

    B)    4V                  

    C)    6V                              

    D)    8V

    Correct Answer: D

    Solution :

    Volume of a cube = V Edge of a cube is doubled, \[a=2a\] \[\therefore \]Volume of new cube \[={{a}^{3}}=8V\]


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