Question : Direction: In a class composed of x girls y boys what part of the class is composed of girls?
Option 1: y(x + y)
Option 2: x/xy
Option 3: x/(x + y)
Option 4: y/xy
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Correct Answer: x/(x + y)
Solution :
Given:
Number of girls = x
Number of boys = y
Total number of students in a class (girls + boys) = x + y.
Therefore, part of the class composed of girls= x/(x + y).
Hence, third option is correct.
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