The number of boys and girls in a class in the ratio 7:5.The number of boys is 8 more than the number of girls.What is the total class strength?

There are 20 girls and 15 boys in a class. (a) What is the ratio of number of girls to the number of boys?

There are 20 girls and 15 boys in a class. (b) What is the ratio of number of girls to the total number of students in the class ?

Three boys and two girls stand in a queue. The probability, that the number of boys ahead is at least one more than the number of girls ahead of her, is

The number of ways in which 6 boys and 6 girls can sit alternatively is :

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

Form the pair of linear equations in the following problems, and find their solutions. 10 students of Class X took part in a Mathematics quiz. If the number of girls is 4 more than the number of boys, find the number of boys and girls who took part in the quiz.

Form the pair of linear equations in the following problems and find their solutions graphically. 10 students of class X took part in a Mathematics quiz. If the number of girls is 4 more than the number of boys, find the number of boys and girls who took part in the quiz.

The average score of boys in an examination of a school is 71 and that of the girls is 73. The average score of the school in the examination is 71.8. Find the ratio of the numbers of boys to the number of girls who appeared in the examination.

From the pair of linear equations in the following and problems, and find their solutions graphically. 10 students, of Class X took part in a Mathematics quiz. If the number of girs is 4 more than the number of boys, find the number of boys and girls who took part in the quiz.

The heights of boys and girls of IX class of a school are given below. Compare the heights of the boys and girls.