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Applications (Word Problem)

The ratio of ...

Question

The ratio of number of males to number of females in a club are $7 : 4.$ If there are $84$ males in the club, the total number of members in the club are

A

126

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B

132

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C

136

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D

148

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Solution

The correct option is D $132$
Let the number of males $= 7 x$ and number of Females $= 4 x$
Given that,
$7 x = 84 \Rightarrow x = 12$
Total number of members $= 7 x + 4 x = 11 x = 11 \times 12 = 132$

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