Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
MediumNaresh has double the money that Yogesh has. If Naresh gives Yogesh ₹ $20$,then both have equal money. The pair of equations obtained from this data is $\ldots \ldots \ldots \ldots .$
- A$x = 2y, x - 20 = y + 20$
- B$x = 2y, y - 20 = x - 20$
- C$x = 2y, x - 20 = y$
- D$x = 2y, x - 20 = y - 20$
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Similar Questions
$A$ two-digit number is obtained by either multiplying the sum of the digits by $8$ and adding $1$,or by multiplying the difference of the digits by $13$ and adding $2$. Find the number.
Medium
View SolutionSolve the following pairs of equations by the method of elimination:
$4x - 3y = 5$
$\frac{5}{2}x - y = 4$
$4x - 3y = 5$
$\frac{5}{2}x - y = 4$
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View SolutionSolve the following pairs of equations by cross-multiplication method:
$3x - 4y = 17$
$4x - 5y = 21$
$3x - 4y = 17$
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View SolutionThe diagram given below shows two sticks $-$ one $BLACK$ and the other $WHITE$. Based on the measurements shown,what is the length of the white stick? (in $cm$)
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View SolutionIf the following pair of equations is consistent (unique solution),then find the value of $k$:
$x - ky = 2$
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$x - ky = 2$
$3x + 2y = -5$
Medium
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