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  3. 6th Class
  4. Mathematics
  5. Mensuration

6th Class Mathematics Mensuration Question Bank Menstruation

  • question_answer
    The volume of a cube is numerically equal to the sum of the lengths of its edges. What is its total surface area in square units?

    A)  64                  

    B)    144

    C)  36                  

    D)    72

    Correct Answer: D

    Solution :

         Let x be the length of a side (edge of the cube) Now,\[{{x}^{3}}=12x\Rightarrow \,\,{{x}^{2}}=12\] Total surface area \[=6{{x}^{2}}=6\times 12=72\] square units


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