Step-by-step explanation:

Correct option is A)

Out of 25 children, there are 15 girls

Therefore, percentage of girls

=

25

15

×100=60

There are 60% girls in the class.Number of girls in class =30

Number of boys in class =25

Total number of student in class =30+25=55

% of boys in class =

55

25

×100=45.45%

% of girls in class =

55

30

×100=54.55%