Question

Total number of students = 4800
The ratio of boys and girls in school A and E is 11:13 and 6:5. respectively and 55% of the number of
students in school D are boys. Then the difference between the total number of boys in A and E. and the
number of girls in D is​

Answer 1

Answer:

in the first case

Number of boys =660×

22

13

=390

Number of girls =660×

22

9

=270

Let the number of boys who left the school be x.

According to the question,

⇒

270+30

390−x

=

5

6

390−x=360

x=390−360=30.