Question

Out of 85 schools in a city,52 boys and 48 girls in each school are selected to participate in a rally.How many children participated in rally in all?

Answer 1

boys and girls in each school are 52 and 48 so total students are 100 in each school.

now total 85 schools are then 85×100=8500.

so 8500 students participated in the rally.

hope it helps.

Answer 2

First find the number of students from each school

Number of students participating from each school =52+48=100

Number of students from all the schools are 100*52=5200

Therefore, 5200 students are selected to participate in a rally