The corner points of the feasible region determined by the system of linear constraints are $(0, 0), (0, 40), (20, 40) (60, 20)$ and $(60, 0)$. If the objective function of an LPP is $Z = 4x + 3y$, then the maximum value is :

Year	Paper Code	Set	Position
CBSE 2026	Series 65-5	Set 1	Question 15
CBSE 2026	Series 65-5	Set 2	Question 16
CBSE 2026	Series 65-5	Set 3	Question 14

• Step 1: Stating the fundamental formula / law statement (+1 Mark)
• Step 2: Intermediate mathematical substitution or proof steps (+1 Mark)
• Step 3: Correct final value or conclusion with mandatory SI units (+1 Mark)