AAI ATC Junior Executive 26 Dec 2015 Shift 2 Paper

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Question : 112 of 120

Marks: +1, -0

Let x be a non-optimal feasible solution of a linear programming maximization problem and y a dual feasible solution, then

the primal objective value of x is greater than the dual objective value at y
the primal objective value at x can be equal to the dual objective value at y
the primal objective value at x is less than the dual objective value at y
the dual can be unbounded

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