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GATE2016-1-55

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Maximize $Z = 15X_1 + 20X_2$ subject to $$\begin{array}{l} 12X_1 + 4X_2 \geq  36 \\ 12X_1 − 6X_2 \leq 24 \\ X_1, X_2 \geq 0 \end{array}$$
The above linear programming problem has

  1. infeasible solution
  2. unbounded solution
  3. alternative optimum solutions
  4. degenerate solution

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