Pair of Linear Equations in Two Variables

Bihar Board Class 10 · Mathematics · 24 past questions

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1. Q18 2020

   The pair of equations $2x + 3y = 5$ and $4x + 6y = 15$ have

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2. Q19 2020

   What type of straight line will the graph of $x = -5$ be ?

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3. Q20 2020

   How many maximum solutions of the linear equation $ax + by + c = 0$ are possible in two variables $x, y$?

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4. Q21 2020

   If the equations $3x - y = 5$ and $6x - 2y = k$ have no solution, then

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