Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
MediumFor a pair of equations $\frac{2}{x} + \frac{3}{y} = 17$ and $\frac{3}{x} + \frac{2}{y} = 13$,find the value of $\frac{1}{x} + \frac{1}{y}$.
- A$5$
- B$30$
- C$20$
- D$6$
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Similar Questions
$A$ shopkeeper sells $4$ pants and $3$ shirts for Rs. $5000$. The cost of a pair of a pant and a shirt is Rs. $750$. Represent this situation as a pair of linear equations in two variables.
Medium
View SolutionAre the following pair of linear equations consistent? Justify your answer.
$2ax + by = a$
$4ax + 2by - 2a = 0$; $a, b \neq 0$
$2ax + by = a$
$4ax + 2by - 2a = 0$; $a, b \neq 0$
Medium
View SolutionFind the value$(s)$ of $p$ and $q$ for the pair of equations $2x + 3y = 7$ and $2px + py = 28 - qy$ if they have infinitely many solutions.
Difficult
View SolutionIf $(x, -1)$ is the solution of the linear equation of two variables $3x - y = 7$,then $x = \ldots$
Easy
View SolutionIf $2x + 3y = 7$ and $3x + 2y = 3$,then the value of $x + y$ is ..........
Easy
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