Form the pair of linear equations in the following problem, and find the solution graphically: 10 students of class X took part in 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.

From the pair of linear equations in the following problems, and find their solutions graphically.(i) 10 students of Class X took pan 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.(ii) 5 pencils and 7 pens together cost Rs 50, whereas 7 pencils and 5 pens together cost Rs 46. Find the cost of one pencil and that of one pen.

Ten students of class X took part in Mathematics quiz. If the number of girls is 4 more than the number of boys. Represent this situation algebraically.

In a class of 40 pupils, the number of girls is three-fifths of the number of boys. Find the number of boys in the class.

Form the pair of linear equations in the following problem, and find the solution graphically: Champa went to a ‘sale’ to purchase some pants and skirts. When her friends asked her how many of each she had bought, she answered, “The number of skirts is two less than twice the number of pants purchased. Also, the number of skirts is four less than four times the number of pants purchased.” Help her friends to find how many pants and skirts Champa bought.

A play has girls and boys acting in the ratio 5:3 if the number of girls in the play is 35, find the number of boys.

In a class, the number of boys is 3/2 times the number of girls. If there are 55 students in the class, find the number of boys and girls 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 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.

The boys and the girls in a school are in the ratio 7: 4. If total strength of the school be 550, find the number of boys and girls.

From the pair of linear equations for the following problems and find their solution by substitution method.(i) The difference between two numbers is 26 and one number is three times the other. Find them.(ii) The larger of two supplementary