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Free GATE practice questions online for ME (Mechanical Engineering)

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Consider the following statements:
  1.  A linear programming problem with only two decision variables can be solved by graphical method.
  2. Big-M method can be employed for solutions of a linear programming problem with mixed constraints.
  3.  In the solution process of linear programming programming problem using big-M method, when an         artificial variable leaves the basis, the column of the artificial variable can be removed from all subsequent tables.


Which of these statements are correct?

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Topic Wise GATE Questions for Mechanical

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