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Question 12
If the edge of a cube is halved, then its volume reduces to ......... times the actual volume.
Solution
we know that:
volume of cube = a³
where, a is the side or length of edge of cube.
So, here
if the length of edges of cube is halved
=> side of cube = a / 2
=> volume = (a/2)³
= a³ / 2³
= a³ / 8
so,when the edge length is halved then the volume of cube become 1/8 of the volume before.
Hence option 'C' is correct.
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