There are 45 students in a class and `3/5` of them are boys. How many girls are there in the class?

There are 42 students in a class and 5/7 of the students are boys. How many girls are there in the class?

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

In a class there are 30 students and 33 (1)/(3) % of them are girls. How many girls are in the class?

In a class, 60% of the total number of students are boys and there are 14 girls. How many students are there in the class?

There are 35 students in a class in wjhich there are 22 boys and 13 girls . The class teacher select either a boy or a girl for monitor of the class. In how many ways the class teacher can make this selection ?

There are 35 students in a class in wjhich there are 22 boys and 13 girls . The class teacher select either a boy or a girl for monitor of the class. In how many ways the class teacher can make this selection ?

There are 40 students in a class, out of them 15 are boys. The mean of marks obtained by boys is 33 and that for girls is 35. Find out the mean of all students in the class.