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Q.

In a class composed of x girls, y boys what part of the class is composed of girls?

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a

$y (x + y)$

b

$\frac{x}{x y}$

c

$\frac{x}{(x + y)}$

d

$\bar{x y}$

answer is C.

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Detailed Solution

Total number of students in the class= (x + y).

$∴$ part of the class is composed of girls.

$= \frac{x}{x + y}$

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In a class composed of x girls, y boys what part of the class is composed of girls?