Rajdhani College has 2400 students, 40% of whom are girls. How many boys are there in the college?

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

A committee of 10 is to be formed from 8 teachers and 12 students of whom 4 are girls. In how many ways this can be done so that com the committee contains atleast four of either groups (teachers and students) and atleast 2 girls and atleast 2 boys are in the committee.

In a class of 40 students, 45% are girls. Find the number of boys in the class .

The boys and girls in a school are in the ratio 8 : 3 . If the number of girls is 405 ,how many boys are there in the school

A certain company has 80 employees who are engineers. In this company engineers constitute 40% of its work force. How many people are employed in the company?

In a class of 40 students, 45% are girls and the remaining are boys. If the average of the girls marks is 54 and that of the boys is 46, what is the average of the whole class?

A certain school has 300 students, 142 of whom are boys. It has 30 teachers, 12 of whom are men. What percent of the total number of students and teachers in the school is female?

In a college, out of 4320 students, 2300 are girls. Find the ratio of(a) Number of girls to the total number of students.(b) Number of boys to the number of girls(c) Number of boys to the total number of students

A committee of 5 is to be formed from a group of 12 students consisting of 8 boys and 4 girls in how many ways can the committee be formed it consists of exactly 3 boys and 2 girls ,