Question

side of a cube is 4 metre if it is doubled how many time will be the volume of a new cube as compare with the original cube​

Answer 1

$\huge\mathbb{A~N~S~W~E~R}$

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First find volume of original cube.

$= ( {a})^{3} \\ \\ = {(4)}^{3} \\ \\ = 64 { \: m}^{3}$

Now, find new cube :-

Sise of new cube is doubled than older cube.

$= 4 \times 2 \\ \\ = 8 \: m$

Volume :-

$= {(a)}^{3} \\ \\ = {(8)}^{ 3} \\ \\ = 512 { \: m}^{3}$

Now divide :-

$= \frac{512}{64} \\ \\ = 8 \: times$

${\huge\color{Red}{Answer~is~8~times. }}$

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