ECAT Pre Engineering MCQ Test With Answer for Chapter 21 Mathematics

MCQ's Test For ECAT Mathematics Chapter 21 Linear Inequalities and Linear Programming

Try The MCQ's Test For ECAT Mathematics Chapter 21 Linear Inequalities and Linear Programming

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ECAT Mathematics Chapter 21 Linear Inequalities and Linear Programming

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Question # 1

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

Question # 2

r + 3 >5 then which is true

Question # 3

(1, 1) is the in the solution of the inequality

Question # 4

The point _________ is in the solution of the inequality 2x + 3y < 5

Question # 5

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

Question # 6

An expression involving any of the symbols <,>,< or > is called

Question # 7

The corner point of the boundary lines, x- 2x
x+2y=10 is:

Question # 8

Corner point of the system x - y≤ 2,x + y≤ 4,2x -y≤ 6,x≥ 0,y≥ 0

Question # 9

The liner equation ax + by = c is called _________ of the inequality ax +by > c.

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Maximum value of z =15x +20y subject to 3x+ 4y≤ 12,x,y≥ 0 is given by

Question # 16

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

Question # 17

Which is not a half plane

Question # 18

Multiplying each side of an inequality by (-1) will:

Question # 19

Inequalities have ______ symbol

Question # 20

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 # 21

3x + 4 < 0 is

Question # 22

x = 1 is in the solution of the inequality

Question # 23

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

Question # 24

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

Question # 25

If -1 < x < 0, which of the following statements must be true?

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

3x + 4 < 0 is

Question # 28

(0,0) is in the solution of the inequality

Question # 29

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

Question # 30

Sum of two quantities is at least 20 is denoted by

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ECAT Mathematics Chapter 21 Important MCQ's

Sr.# Question Answer
1 Inequalities have ______ symbol
A. 2
B. 3
C. 4
D. 1
2 3x + 4 < 0 is
A. inequality
B. equation
C. identity
D. not inequality
3 Order (or sense) of an inequality is changed by multiplying or dividing its each side by a:
A. Zero
B. one
C. negative constant
D. Non negative constant
4 The points (x, y) which satisfy a linear inequality in two variables x and y from its
A. domain
B. range
C. solution
D. none of these
5 The set of ordered pairs (x,y) such that ax+ by < c, and (x,y) such that ax + by>0, are called
A. Half planes
B. Boundary
C. Linear Inequalities
D. Feasible regions
6 (1,0) is in the solution of the inequality
A. 3x + 2y > 8
B. 2x - 3y < 4
C. 2x + 3y > 3
D. x - 2y < -5
7 A point of a solution region where two of its boundary lines intersect, is called
A. Boundary
B. Inequality
C. Half plane
D. Vertex
8 If 4 - x >5, then
A. x > 1
B. x > -1
C. x < 1
D. x < -1
9 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)
10 A point of a solution regions where two of its boundary lines intersect, is called:
A. Vertex of the solution
B. Feasible point
C. Point of inequality
D. Null point of the solution region

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