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Minimise z = 13x - 15y subject to the c...

Minimise z = 13x - 15y subject to the constraints : `x+y le 7, 2x-3y+6 ge 0, x ge 0, y ge 0`

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Minimum value of objective function z = 13x -15y is -30 for point (0, 2)
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KUMAR PRAKASHAN-LINEAR PROGRAMMING-SOLUTIONS OF NCERT EXEMPLAR PROBLEMS
  1. Maximise Z = 3x + 4y, subject to the constraints : x+y le 1, x ge 0.

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  2. Maximize the function z = 11x + 7y , subject to the constraints : x le...

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  3. Minimise z = 13x - 15y subject to the constraints : x+y le 7, 2x-3y+6...

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  4. Determine the maximum value of z = 3x + 4y if the feasible region (sha...

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  5. Feasible region (shaded) for a LPP is shown in Figure Maximise z = 5x ...

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  6. The feasible region for a LPP is shown in Figure. Find the minimum val...

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  7. Find the maximum value of Z = 4x + y subject to the constraints 2x+y l...

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  8. The feasible region for a LPP is shown in Figure. Evaluate z = 4x + y ...

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  9. In Figure, the feasible region (shaded) for a LPP is shown. Determine ...

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  10. A manufacturer of electronic circuits has a stock of 200 resistors, 12...

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  11. A firm has to transport 1200 packages using large vans which can carry...

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  12. A company manufactures two types of screws A and B. All the screws hav...

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  13. A man rides his motorcycle at the speed of 50 km/hour. He has to spen...

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  14. Refer to question 11. How many of circuits of Type A and of Type B, sh...

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  15. Find the minimum value of Z = x + y subject to the constraints 2x+3y l...

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  16. Solve the following linear programming problems graphically : Maximi...

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  17. Solve the following linear programming problems graphically : Maximi...

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  18. Refer to question 15. Determine the maximum distance that the man can ...

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  19. Maximise z = x + y subject ot x+4y le 8, 2x+3y le 12, 3x+y le 9, x ge ...

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  20. A manufacturer produces two models of bikes model X and model Y. Model...

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