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P(m , n) (where m , n are natural number...

`P(m , n)` (where `m , n` are natural numbers) is any point in the interior of the quadrilateral formed by the pair of lines `x y=0` and the lines `2x+y-2=0` and `4x+5y=20` . The possible number of positions of the point `P` is. (a) 7 (b) 5 (c) 4 (d) 6

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