Linear Programming — Important Questions
Jammu & Kashmir Board · Class 12 · Mathematics
95 important questions from Linear Programming for Jammu & Kashmir Board Class 12 Mathematics, with answers. Written for the board exams 2027.
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Important Questions from Linear Programming
Find the corner points of the feasible region defined by: x + y ≤ 6, 2x + y ≤ 8, x ≥ 0, y ≥ 0
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(0, 0), (0, 6), (4, 0), (2, 4)
Corner points are intersections of constraint boundaries. Step 1: Origin (0,0). Step 2: x=0, x+y=6 gives (0,6). Step 3: y=0, 2x+y=8 gives (4,0). Step 4: Solve x+y=6 and 2x+y=8 simultaneously: x=2, y=4, giving (2,4). Verify all points satisfy all constraints.
If the objective function is Z = 3x + 4y and the corner points are (0,0), (0,5), (4,0), and (2,3), what is the maximum value of Z?
A linear programming problem always has a unique optimal solution.
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False
This statement is false. A linear programming problem can have: Step 1: Unique optimal solution (one corner point gives optimum). Step 2: Multiple optimal solutions (objective function parallel to a constraint). Step 3: No solution (infeasible region). Step 4: Unbounded solution (feasible region extends infinitely in direction of optimization).
A bakery makes cakes and pastries. Profit per cake is ₹50 and per pastry is ₹30. If x = cakes and y = pastries, write the objective function to maximize profit.
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