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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The solution set of x < 4 is

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

x = -1 is in the solution of the inequality

Question # 11

3x + 4 < 0 is

Question # 12

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

Question # 13

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

Question # 14

A point where two of its boundary lines intersect is called

Question # 15

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

Question # 16

Optimize means ______ a quantity under certain constraints

Question # 17

If 4 - x >5, then

Question # 18

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

Question # 19

Inequalities have ______ symbol

Question # 20

For graphing a linear inequality, solid line is drawn if the inequality involves the symbols:

Question # 21

s > t then

Question # 22

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

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

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

Question # 25

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

Question # 26

There may be ______ feasible solution in the feasible region

Question # 27

The graph of y < 2 is the

Question # 28

3x + 4 < 0 is

Question # 29

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

Question # 30

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

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ECAT Mathematics Chapter 21 Important MCQ's

Sr.# Question Answer
1 3x + 4 = 0 is
A. not inequality
B. equation
C. identity
D. inequality
2 Inequalities have ______ symbol
A. 2
B. 3
C. 4
D. 1
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 Multiplying each side of an inequality by (-1) will:
A. Not effect
B. Change the sign
C. Become zero
D. Not defined
5 A point (x,y) which satisfy a linear inequality in two variables form its
A. Solution
B. Domain
C. Range
D. None
6 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
7 The total cost of 2 apples and 3 oranges is $1.70, which of the following is true
A. The cost of one apple
B. The cost of one orange
C. Both have equal cost per item
D. Cost of each single item can not be determined
8 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
A. P(x, y) = 20x + 15y
B. P(x, y) = 2x + 3y
C. P(x, y) = x + y
D. P(x, y) = 3x + 2y
9 The feasible region which can be enclosed within a circle is called
A. Bounded region
B. Convex region
C. Unbounded region
D. None
10 Optimal solution is found by evaluation the objective function at
A. All point of feasible region
B. Corner point
C. Origin
D. None

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