Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
MediumAfter $x$ years,the sum of the ages of Sachin and Sehwag will be $y$ years,then the sum of the ages before $3$ years was $\ldots \ldots \ldots \ldots$ years.
- A$y - 2x - 6$
- B$y + 2x + 6$
- C$x - 2y + 6$
- D$x + 2y + 6$
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Similar Questions
The age of the father is twice the sum of the ages of his two children. After $20$ years,his age will be equal to the sum of the ages of his children. Find the age of the father (in years).
Medium
View SolutionNaresh 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 $\ldots \ldots \ldots \ldots .$
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View SolutionFor the pair of equations $\lambda x + 3y = -7$ and $2x + 6y = 14$ to have infinitely many solutions,the value of $\lambda$ should be $1$. Is the statement true? Give reasons.
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View SolutionSolve the following pair of equations by the method of cross-multiplication:
$x + 2y + 1 = 0$
$2x - 3y - 12 = 0$
$x + 2y + 1 = 0$
$2x - 3y - 12 = 0$
Medium
View SolutionThe solution of the pair of equations $x+y-1=0$ and $2x+2y-3=0$ is:
Medium
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