Corner points of the feasible region for an LPP are (0, 2), (3, 0), (6, 0), (6, 8) and (0, 5).

Let F = 4x + 6y be the objective function.

The Minimum value of F occurs at

  1. (0, 2) only
  2. (3, 0) only
  3. the mid point of the line sgment joining the points (0, 2) and (3, 0) only
  4. any point on the line segment joining the points (0, 2) and (3, 0).

Answer (Detailed Solution Below)

Option 4 : any point on the line segment joining the points (0, 2) and (3, 0).

Detailed Solution

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Explanation:

Corner points of the feasible region for an LPP are (0, 2), (3, 0), (6,0), (6, 8) and (0,5).
F = 4x + 6y

Corner Points

Corresponding Value of

F = 4x + 6y

(0, 2) 4 × 0 + 6 × 2 = 12 (Minimum)
(3, 0) 4 × 3 + 6 × 0 = 12 (Minimum)
(6,0) 4 × 6 + 6 × 0 = 24
(6, 8) 4 × 6 + 6 × 8 = 72 (Maximum)  
(0,5)   4 × 0 + 6 × 5 = 30

 

So the Minimum value of F occurs at any point on the line segment joining the points (0, 2) and (3, 0).

The Correct Option is (4).

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