Question

Three cube whose edge are in the ratio 3:4:5 are melted and recast into a new cube having diagonal 12√3 cm .Find the edge of the cube.

Answer 1

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Answer 2

$diagonal \: of \: a \: cube = side \times \sqrt{3}$
$12 \sqrt{3 } = \sqrt{3 } \times side \\ side = 12$
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