CUET Preparation Today
Maximum value of $z=5 x+4 y$ subject to the constraints $x-y \leq 0, x+y \leq 4, x \geq 0, y \geq 0$ occurs at the point (a, b), then 4a + 5b = ________. |
16 18 20 0 |
18 |
The correct answer is Option (2) - 18
$(a,b)=(2,2)$ so $4a+5b=18$ |
