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Mathematics ECAT Pre Engineering Chapter 21 Linear Inequalities and Linear Programming Online Test MCQs With Answers

Question # 1

The point ________ is in the solution of the inequality 2x - 3y < 4

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(0, -2)

(1, -3)

(2, 2)

(3, 0)

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Question # 2

If 4 - x >5, then

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x > 1

x > -1

x < 1

x < -1

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Question # 3

3x + 4 > 0 is

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equation

identity

inequality

none of these

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Question # 4

Which of the following ordered pair is a solution of the inequality x+2y<6?

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(2,3)

(2,2)

(6,0)

(1,1)

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Question # 5

x is a member of the set [-1, 0, 3, 5] y is a member of the set {-2, 1, 2, 4} which is possible?

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x - y = -6

x - y < -6

x - y > -6

None

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Question # 6

If x < y, 2x = A, and 2y = B, then

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A = B

A < B

A < x

B < y

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Question # 7

Optimal solution is found by evaluation the objective function at

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All point of feasible region

Corner point

Origin

None

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Question # 8

s > t then

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(s - t)²> (t - s)²

(s - t)²< (t - s)²

(s - t)²= (t - s)²

None

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Question # 9

x = ________ is in the solution of 2x - 3 < 0

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-2

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Question # 10

x = _________ is in the solution of 2x + 3 < 0

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-1

-2

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Question # 11

2x + 3y > 4 is a linear inequality in

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one variable

two variables

three variables

none of these

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Question # 12

A point (x,y) which satisfy a linear inequality in two variables form its

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Solution

Domain

Range

None

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Question # 13

A point of a solution regions where two of its boundary lines intersect, is called:

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Vertex of the solution

Feasible point

Point of inequality

Null point of the solution region

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Question # 14

x = ________ is in the solution of 2x - 5 > 0

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-2

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