ExamBro
ExamBro
CUET · MATHS · PYQ PAPER 2025

The maximum value of \(Z\) for the linear programing problem maximize \(Z=x+y\) subject to the constraints \(x+4 y \leq 8,2 x+3 y \leq 12,3 x+y \leq 9, x \geq 0, y \geq 0\) is :

  1. A \(3 \frac{10}{11}\)
  2. B \(3 \frac{9}{11}\)
  3. C \(4 \frac{10}{11}\)
  4. D \(4 \frac{9}{11}\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(3 \frac{10}{11}\)

Step-by-step Solution

Detailed explanation

\(3x+y=9 \Rightarrow y=9-3x\) \(x+4(9-3x)=8 \Rightarrow x+36-12x=8 \Rightarrow -11x=-28 \Rightarrow x=\frac{28}{11}\) \(y=9-3(\frac{28}{11}) = \frac{99-84}{11} = \frac{15}{11}\) \(Z=x+y=\frac{28}{11}+\frac{15}{11}=\frac{43}{11}\) \(\frac{43}{11} = 3 \frac{10}{11}\)
From CUET
Explore more questions on app