If $72 K$ is a perfect cube, then the value of $K$ is:

1

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2

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3

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4

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Solution

The correct option is C $3$
If $72 K$ is a perfect cube.
$74 K = 2 \times 2 \times 2 \times 3 \times 3 \times K$
$K = 3$ to make $72 K$ a perfect cube.

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