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 = 1 is in the solution of the inequality

Question # 2

There may be ______ feasible solution in the feasible region

Question # 3

s > t then

Question # 4

If 4 - x >5, then

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The real numbers which satisfy an inequality form its

Question # 9

Each point of the feasible region is called

Question # 10

A point where two of its boundary lines intersect is called

Question # 11

ax + by < c is linear inequality in

Question # 12

x = ________ is in the solution of 2x + 3 > 0

Question # 13

3x + 4 > 0 is

Question # 14

3x + 4 = 0 is

Question # 15

(1,0) is in the solution of the inequality

Question # 16

Optimal solution is found by evaluation the objective function at

Question # 17

3x + 4 < 0 is

Question # 18

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

Question # 19

A ________ divides the plane into left and right half planes.

Question # 20

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

Question # 21

The graph of the linear equation of the form ax =by = c is a line which divided the plane into:

Question # 22

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

Question # 23

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 # 24

For which of the following ordered pairs (s, t) is s + t > 2 and s - t < -3?

Question # 25

(0,1) is in the solution of the inequality

Question # 26

x = -1 is in the solution of the inequality

Question # 27

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

Question # 28

r + 3 >5 then which is true

Question # 29

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 # 30

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

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ECAT Mathematics Chapter 21 Important MCQ's

Sr.# Question Answer
1 There may be ______ feasible solution in the feasible region
A. Infinite
B. Finite
C. Defined
D. None of above
2 s > t then
A. (s - t)2> (t - s)2
B. (s - t)2< (t - s)2
C. (s - t)2= (t - s)2
D. None
3 If ab > 0 and a < 0, which of the following is negative?
A. b
B. -b
C. -a
D. (a - b)2
4 x = ________ is in the solution of 2x - 3 < 0
A. 2
B. -2
C. 3
D. 4
5 3x + 4 = 0 is
A. not inequality
B. equation
C. identity
D. inequality
6 For which of the following ordered pairs (s, t) is s + t > 2 and s - t < -3?
A. (3, 2)
B. (2, 3)
C. (1, 8)
D. (0, 3)
7 (2, 1) is in the solution of the inequality
A. 2x + y > 7
B. x - y > 2
C. 3x + 5y < 6
D. 2x + y < 6
8 The solution set of x < 4 is
A. -∞< x < 4
B. -∞> x > 4
C. -∞< x < 2
D. -∞> x > 2
9 2x + 3y > 4 is a linear inequality in
A. one variable
B. two variables
C. three variables
D. none of these
10 Which of the following ordered pair is a solution of the inequality x+2y<6?
A. (2,3)
B. (2,2)
C. (6,0)
D. (1,1)

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