View HintsAssume the cost of scale x and that of compass y and solve the question according to the given question .
View HintsJust check the ratio of the coefficients of the given pair of the linear equations ,for checking out the consistency of the given pair of linear equations and then find the given pair of linear equations by graphical method.
View HintsCan we recall that sum of two supplementary angle equals 180°
View HintsAssume the cost of bat x and that of ball y and solve the question according to the given question .
View HintsSuppose that fathers and sons present age be x and y respectively.Now form equation and find age of the Father and Son.
View HintsLet one number be x,and another be y, and solve the so formed equations.
View HintsLet one number be x and other be y .Now frame linear equation according to the given condition . Solve the equations graphically.
View HintsCan we recall that sum of two supplementary angle equals 180°
View HintsTake the cost of pencil and pen x and y respectively and then form the linear equation in two variable . Work out the solution for the given equation by graphical method .
View HintsLet the length and width of the rectangle be x and y respectively .Then use the formulae for the perimeter of the rectangle.
|