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Mathematics · 2025 · 3 marks
Linear ProgrammingLinear Programming Problem and its Mathematical Formulation3 marksUnderstandshort answer
CBSE 2025 · Region 4 · Set 3 · Q31
For the given graph of a Linear Programming Problem, write all the constraints satisfying the given feasible region.
For the given graph of a Linear Programming Problem, write all the constraints satisfying the given feasible region.
Marking-scheme solution
Equation of $\displaystyle A B$ :
$\displaystyle y-200=\frac{250-200}{50-0}(x-0)$ i.e. $\displaystyle -x+y=200$
Equation of $\displaystyle B C$ :
$\displaystyle y-250=\frac{150-250}{150-50}(x-50)$ i.e. $\displaystyle x+y=300$
Equation of $\displaystyle C D$ :
$\displaystyle y-0=\frac{0-150}{200-150}(x-200)$ i.e. $\displaystyle 3 x+y=600$
Required constraints are :
\[-x+y \leq 200
\]
$\displaystyle x+y \leq 300$
$\displaystyle 3 x+y \leq 600$
$\displaystyle x \geq 0, y \geq 0$
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