BoardMaths

Linear Programming

8 Board Maths previous year questions on Linear Programming — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.

Q1 FREE PREVIEW
PYQ

A factory produces two products X and Y . The profit earned by selling X and \(Y\) is represented by the objective function \(Z=5 x+7 y\), where \(x\) and \(y\) are the number of units of X and Y respectively sold. Which of the following statement is correct?

a

The objective function maximizes the difference of the profit earned from products X and Y.

b

The objective function measures the total production of products X and Y

c

The objective function maximizes the combined profit earned from selling X and Y.

d

The objective function ensures the company produces more of product X than product Y .

✓ Correct answer: c)

The objective function maximizes the combined profit earned from selling X and Y.

Explanation

\(Z=5 x+7 y=(\) profit per X\() \times x+(\) profit per Y\() \times y\)

\(\Rightarrow Z\) is the combined profit to be maximized (in an LPP).

Q2
PYQ

A linear programming problem deals with the optimization of a/an :

a

logarithmic function

b

linear function

c

quadratic function

d

exponential function

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Q3
PYQ

The number of corner points of the feasible region determined by constraints \(\mathrm{x} \geq 0, \mathrm{y} \geq 0, \mathrm{x}+\mathrm{y} \geq 4\) is :

a

0

b

1

c

2

d

3

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Q4
PYQ

A linear programming problem deals with the optimization of a/an :

a

logarithmic function

b

linear function

c

quadratic function

d

exponential function

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Q5
PYQ

The common region determined by all the constraints of a linear programming problem is called :

a

an unbounded region

b

an optimal region

c

a bounded region

d

a feasible region

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Q6
PYQ

A factory produces two products \(X\) and \(Y\) . The profit earned by selling \(X\) and \(Y\) is represented by the objective function \(Z=5 x+7 y\), where \(x\) and \(y\) are the number of units of \(X\) and \(Y\) respectively sold. Which of the following statement is correct?

a

The objective function maximizes the difference of the profit earned from products \(X\) and \(Y\).

b

The objective function measures the total production of products \(X\) and \(Y\)

c

The objective function maximizes the combined profit earned from selling \(X\) and \(Y\).

d

The objective function ensures the company produces more of product \(X\) than product \(Y\) .

🔒
Answer & explanation — PYQ Pass

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Q7
PYQ

The common region determined by all the constraints of a linear programming problem is called :

a

an unbounded region

b

an optimal region

c

a bounded region

d

a feasible region

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Q8
PYQ

Assertion (A) : Every point of the feasible region of a Linear Programming Problem is an optimal solution.
Reason (R) : The optimal solution for a Linear Programming Problem exists only at one or more corner point(s) of the feasible region.

a

Both Assertion (A) and Reason (R) are true and the Reason (R) is the correct explanation of the Assertion (A).

b

Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).

c

Assertion (A) is true but Reason ( R ) is false.

d

Assertion (A) is false but Reason (R) is true.

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