Question

in a class 40% of students are girls among 25% are rich.among the boys who are rich are 150 % of number of girls.there are 160 tribal peoples in the class of ratio 3:5 of girls and boys.50% of rich girls and 60% of rich boys are tribal people.the number of tribal students constitue 40% of strength in the class.what is the ratio of non tribal girls to the non tribal boys​

Answer 1

Answer:

by solving we get 20:24 which is 5:6