If $(2, 0)$ is the solution of the linear equation $2 x + b y = k$ , then the value of k is :

4

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6

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5

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2

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Solution

The correct option is A $4$
If $(2, 0)$ is a solution of $2 x + b y = k$ ,then
$2 \times 2 + b \times 0 = k$
$k = 4$

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