18% of 650 boys in a school take commerce.How many boys take commerce?

* In a village there are 693 children,(4)/(7) of the total are boys and of these boys,(8)/(11) go to school.of the boys at school (2)/(9) are at primary school.How many boys are there who go to primary school?

Last year there were 610 boys in a school. The number decreased by 20 percent this year . How many girls are there in the school if the number of girls is 175 percent of the total number of boys in the school this year ?

20 % of 25 students in a class are boys.How many girls are in the class?

In a certain school the ratio of boys to girls is 7 : 5. If there are 2400 students in the school, how many boys are there ?

The ratio of the number of girls to that of boys in a school is 9: 11. If the number of boys in the school is 2035, find : the number of girls in the school.

The ratio of the number of girls to that of boys in a school is 9: 11. If the number of boys in the school is 2035, find : the number of students in the school.

Last year,there were 610 boys in a school.Then umber decreased by 20% this year.How many girls are there in the school, if the number of girls is 175% of the total number of boys in the school this year?

In a school there, are 1240 children and 30 % of them are girls. How many boys are there in the school?

In a school , the ratio of boys and girls is 4:5. When 100 girls leave the school, the ratio becomes 6 :7 How many boy are there in the shool ?