ECAT Pre Engineering Mathematic MCQ Test With Answer for Chapter 21 (Linear Inequalities and Linear Programming)

MCQ's Test For ECAT (Pre-Eng) Mathematics Chapter 21 Linear Inequalities & Linear Programming

Try The MCQ's Test For ECAT (Pre-Eng) Mathematics Chapter 21 Linear Inequalities & Linear Programming

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ECAT (Pre-Eng) Mathematics Chapter 21 Linear Inequalities & Linear Programming

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Question # 1

Inequalities have ______ symbol

Question # 2

Which of the following is not a solution of system of inequalities 2x- 3y ≤6,2x +y≥ 2,x +2y≤ 8, x≥ 0,y ≥ 0

Question # 3

If ab > 0 and a < 0, which of the following is negative?

Question # 4

s > t then

Question # 5

A farmer possesses 100 hectometers of land and wants to grow corn and wheat. Cultivations of corn requires 3 hours per hectometer while cultivation of wheat requires 2 hours per hectometer. Working hours cannot exceed 240. If he gets a profit of Rs. 20 per hectometer for corn and Rs. 15 per hectometer for wheat. The profit function for the farmer is

Question # 6

Order (or sense) of an inequality is changed by multiplying or dividing its each side by a:

Question # 7

The feasible region which can be enclosed within a circle is called

Question # 8

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

Question # 9

3x + 4 > 0 is

Question # 10

If 4 - x >5, then

Question # 11

The solution set of the inequality ax + by < c is

Question # 12

The real numbers which satisfy an inequality form its

Question # 13

The total cost of 2 apples and 3 oranges is $1.70, which of the following is true

Question # 14

The graph of linear equation 2x + 3y = 10

Question # 15

The solution set of x < 4 is

Question # 16

A function which is to be maximized or minimized is called an

Question # 17

The points (x, y) which satisfy a linear inequality in two variables x and y from its

Question # 18

A point where two of its boundary lines intersect is called

Question # 19

x = 0 is in the solution of the inequality

Question # 20

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

Question # 21

Optimize means ______ a quantity under certain constraints

Question # 22

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

Question # 23

3x + 4 < 0 is

Question # 24

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

Question # 25

Which is in the solution set of 4x - 3y < 2

Question # 26

The set of ordered pairs (x,y) such that ax+ by < c, and (x,y) such that ax + by>0, are called

Question # 27

Optimal solution is found by evaluation the objective function at

Question # 28

The maximum value of Z = 3x+ 4y subjected to the constrains x+ y≤ 40,x+ 2y≤ 60, x≥ 0 and y≥ 0 is

Question # 29

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

Question # 30

3x + 4 > 0 is

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ECAT Mathematics Chapter 21 Important MCQ's

Sr.# Question Answer
1 Optimal solution is found by evaluation the objective function at
A. All point of feasible region
B. Corner point
C. Origin
D. None
2 (1, 1) is the in the solution of the inequality
A. 3x + 4y > 3
B. 2x + 3y < 2
C. 4x = 3y > 5
D. 2c - 3y > 2
3 Maximum value of z =15x +20y subject to 3x+ 4y≤ 12,x,y≥ 0 is given by
A. 46
B. 60
C. 50
D. 70
4 3x + 4 < 0 is
A. not inequality
B. equation
C. identity
D. inequality
5 The corner point of the boundary lines, x-2y
2x + y = 2 is:
A. (2,6)
B. (6,2)
C. (-2,2)
D. (2,-2)
6 Optimize means ______ a quantity under certain constraints
A. Minimize
B. Maximize
C. Maximize or minimize
D. None of these
7 A ________ divides the plane into left and right half planes.
A. Vertical line
B. Horizontal line
C. Non vertical line
D. Inequality
8 The liner equation ax + by = c is called _________ of the inequality ax +by > c.
A. Associated equation
B. Non-associated equation
C. disjoint equation
D. Feasible equation
9 x = -1 is in the solution of the inequality
A. x + 5 < 0
B. 2x + 3 < 0
C. x > 0
D. 2x + 3 > 0
10 The point (1,3) is one solution of
A. 3x + 5y > 29
B. 3x + 5y < 7
C. x + 2y < 4
D. x + 4y > 3

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