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?

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

In a class of 36 students, 20 are girls and the rest are boys. Find the ratio of: the number of girls to the number of boys.

In a class of 36 students, 20 are girls and the rest are boys. Find the ratio of: the number of boys to the number of girls.

In a class of 100 students, there are 70 boys whose average marks in a subject is 75. If the average marks of the complete class is 72, then what is the average of the girls ?

In a school, 25/54 of the students are girls and the rest are boys. If the number of boys is 2030, find the number of girls.

In a class of 36 students, 20 are girls and the rest are boys. Find the ratio of: the number of boys to the total number of students in the class.

In a class, there are 70 students. Thirty of them are girls and the rest are boys. What fraction of the class are boys?

In a class of 10 boys and 15 girls, the average score on a biology test is 90. If the average score for the girls is x, what is the average score for the boys in terms of x ?

In a class , 45 % of students are girls, If there are 22 boys in the class, then the total number of students in the class is

A class consists of 50 students out of which 30 are girls. The mean of marks scored by girls in a test is 73 (out of 100) and that of boys is 71. Determine the mean score of the whole class.