If $76$ is divided into four parts proportional to $7, 5, 3, 4,$ then the smallest part is:

12

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15

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16

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19

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Solution

The correct option is C $12$
Given ratio = $7 : 5 : 3 : 4$ ,
Sum of ratio terms $= 19$
$∴$ Smallest part = $(76 \times \frac{3}{19}) = 12$

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