engineering recuitment ONGC AEE Mechanical Mock Test 2025 Industrial Engineering Operations Research Linear Programming
The linear programing problem z = 5x + 7y subject to the constraints x + y ≤ 6; 2x + 3y ≥ 3; x ≥ 3, y ≥ 3, then z is
1
always minimum
2
always maximum
3
either minimum or maximum
4
infinite
5
Zero