SSC Sample Paper SSC CGL - Sample Paper-20

  • question_answer
    The perimeter of one face of a cube is 20 cm. Its volume m be

    A) \[\text{8000}\,\,\text{c}{{\text{m}}^{\text{3}}}\]                     

    B) \[\text{1000}\,\,\text{c}{{\text{m}}^{\text{3}}}\]

    C) \[\text{125}\,\,\text{c}{{\text{m}}^{\text{3}}}\]

    D) \[400\,\,\text{c}{{\text{m}}^{\text{3}}}\]

    Correct Answer: C

    Solution :

    Let a be the side of the cube. \[\therefore \]      \[4a=20\] \[\Rightarrow \]   \[a=5\] \[\therefore \]      Volume of cube \[={{(5)}^{3}}\]             \[=125\,c{{m}^{3}}\]             


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