From the pair of linear equations in the following and problems, and find their solutions graphically.
5 pencils and 7 pens together cost Rs. 50, whereas 7 penciles and 5 pens toegether cost Rs. 46. Find the cost of one pencil and that of one pen.

Form the pair of linear equations in the following problems and find their solutions graphically. 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.

Form the pair of linear equations in the following problems, and find their solutions graphically. 5 pencils and 7pens together cost Rs 50 whereas 7 pencils and 5 pens together cost Rs46. Find the cost of one pencil and that of one pen.

Form the pair of linear equations in the following problems, and find their solutions . 5 pencils and 7 pens cost Rs. 50, whereas 7 pencils 5 pens together cost Rs. 46. Find the cost of one pencil and that of one pen.

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.

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.

From the pair of linear equations for the following problems and find their solution by substitution method. The coach ofa a cricket team buys 7 bats and 6 balls for Rs. 3800. Later, she buys 3 bats and 5 balls for Rs. 1750. Find the cost of each bat and each ball.

From the pair of linear equations for the following problems and find their solutions by substitution method. The coach of cricket team buys 7bats and 6balls and Rs 3800. Later, she buys 3 bats and 5 balls for Rs 1750. Find the cost of each bat and each ball.

4 chairs and 3 tables cost Rs. 2100 and 5 chairs and 2 tables cost Rs. 1750. Find the cost of one chair and one table separately.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method : A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. When a student A takes food for 20 days she has to pay Rs. 1,000 as hostel charges whereas a student B, who takes food for 26 days, pays Rs. 1,180 hostel charges. Find the fixed charges and the cost of food per day.