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Minimise and Maximise Z = x + 2y, subjec...

Minimise and Maximise Z = x + 2y, subject to constraints are
` x + 2y ge 100, 2x - y le 0, 2x + y le 200 " and " x,y ge 0` .

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The correct Answer is:
The mixmum value of Z is 400 at D (0,200) and the minimum value of Z is 100 at all the points on the line segment joining the point (0,50) and B(20,40) .
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