Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
MediumThe sum of the digits of a two-digit number is $6$. If the digit at the unit's place is twice the digit at the ten's place,then that number is..........
- A$24$
- B$42$
- C$36$
- D$63$
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Similar Questions
Solve the following pairs of equations by the cross-multiplication method:
$4x + 6y = 11$
$5x - 8y = 6$
$4x + 6y = 11$
$5x - 8y = 6$
Medium
View SolutionSolve the following pair of linear equations: $\frac{25}{x+y} - \frac{7}{x-y} = -2$ and $\frac{15}{x+y} - \frac{7}{x-y} = -4$.
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View SolutionThe graph of the equation $2x - y = 1$ does not pass through which of the following points?
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View SolutionIs the pair of equations $x+2y-3=0$ and $6y+3x-9=0$ consistent? Justify your answer.
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View Solution$A$ person,rowing at the rate of $5 \, km/h$ in still water,takes thrice as much time in going $40 \, km$ upstream as in going $40 \, km$ downstream. Find the speed of the stream in $km/h$.
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