Formulate the following problems as a pair of equations, and hence find their solutions

Form the pair of linear equations in the following problems, and find their solutions (if they exist) by the elimination method: (i) If we add 1 to the numerator and subtract 1 from the denominator, a fraction reduces to 1. It becomes 1/2 if we on

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.

Form the pair of linear equations in the following problems, and find their solutions graphically. 5 pencils and 7 pents 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.(i) 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 for the following problems and find their solution by substitution method. The difference between two numbers is 26 and one number is three times the other. Find them.

Form 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

Find the value(s) of p for the following pair of equations: -x+ py =1 and px- y=1 , if the pair of equations has no solution.

Represent the following pair of linear equations graphically and hence comment on the condition of consistency of this pair x-5y=6, 2x-10y=12

unique Graphically, find whether the following pair of equations unique solution or infinitely many solutions or no solution: 5x-8y +1 = 0 3x- 24//5 and + 3//5 =0

Find whether the following pair of linear equations has a unique solution. If yes, find the solution. 7x-4y =49 and 5x-6y=57