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Model Paper 1 — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMathsModel Paper 13 Marks
Question
Solve the following linear programming problem graphically.
Minimise and Maximise $Z =3 x+9 y$
Subject to constraints : $x+3 y \leq 60, x+y \geq 10, x \leq y, x \geq 0, y \geq 0$.
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