The above pie chart depicts the percentage of students being girls and boys in the mechanical branch of NIT Trichy college. If the red coloured portion represents the boys' percentage then what is the percentage of girls in the class?
25%
The total area of the pie chart (gilrs and boys) = 100%
The white region is the percentage of girls = 100% – percentage of boys
100% -75% = 25 %
The percentage of the girls in the class is 25%