The edge of the cube whose volume is 1728 cu.cm is : - Vidyadip

MCQ

The edge of the cube whose volume is $1728 \text{ cu.cm}$ is :

A
$17\ cm$
✓
$12\ cm$
C
$18\ cm$
D
$72\ cm$

✓

Answer

Correct option: B.

$12\ cm$

Given : Volume of cube $=1728\ \mathrm{ cu} . \mathrm{cm}$
$\Rightarrow a^3=1728$
$\Rightarrow a^3=(12)^3$
$\Rightarrow a=12 \mathrm{~cm}$

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