12th Class Mathematics Linear Programming Question Bank Case Based (MCQs) - Linear Programming

  • question_answer
    The corner points of the feasible region determined by the system of linear constraints are (0, 0), (0, 40), (20, 40), (60, 20), (60, 0). The objective function is Z = 4x + 3y.
    Compare the quantity in Column A and Column B.
    Column A                      Column B
    Maximum of Z               325

    A) The quantity in column A is greater

    B) The quantity in column B is greater

    C) The two quantities are equal

    D) The relationship cannot be determined on the basis of the information supplied.

    Correct Answer: B

    Solution :

    Construct the following table of values of the objective function:
    Corner Point Value of \[Z=4x+3y\]
    (0, 0) (0, 40) (20, 40) (60, 20) (60, 0) \[4\times 0+3\times 0=0\] \[4\times 0+3\times 40=120\] \[4\times 20+3\times 40=200\] \[4\times 60+3\times 20=300\leftarrow Maximum\] \[4\times 60+3\times 0=240\]


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