The ratio of three numbers is $3 : 4 : 7$ and their product is $18144$ the numbers are

9, 12, 21

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18, 24, 42

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12, 16, 28

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15, 20, 35

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Solution

The correct option is A $18, 24, 42$
Let the no.s be $3 x, 4 x, 7 x$ . Then,
$3 x \times 4 x \times 7 x = 18144$
$⟹ x^{3} = 216$
$⟹ x = 6$
The numbers are $18, 24, 42$

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