2. Questions Bank
  3. 8th Class
  4. Mathematics
  5. Cubes and Cube Roots

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

  • question_answer
    If you have a container in the shape of a cube that has a volume of 68921m3, then the area of each of the faces of the cube is

    A)  1931                           

    B)  1681      

    C)  1729                           

    D)  1487

    Correct Answer: B

    Solution :

    : V= 68921 \[{{a}^{3}}=V\] \[\Rightarrow a={{\left( 68921 \right)}^{\frac{1}{3}}}=41\] Area efface\[~={{a}^{2}}={{\left( 41 \right)}^{2}}=1681.\]


You need to login to perform this action.
You will be redirected in 3 sec spinner