Q10 of 35 Page 74

Each side of a cube is decreased by 50%. Let us calculate the ratio of the volumes original cube and changed cube.

Original cube:


Let the edge of the original cube be a cm


∴ Volume of the original cube = a3


Cube after 50% decrease in each side:


As edge is decreased by 50%


∴ a =


So, volume of the changed cube


Hence,


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