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

3x + 4 < 0 is

Question # 2

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

Question # 3

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?

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The real numbers which satisfy an inequality form its

Question # 12

Optimize means ______ a quantity under certain constraints

Question # 13

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

Question # 14

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

Question # 15

3x + 4 > 0 is

Question # 16

r + 3 >5 then which is true

Question # 17

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

Question # 18

x = -1 is in the solution of the inequality

Question # 19

There may be ______ feasible solution in the feasible region

Question # 20

The graph of y < 2 is the

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

ax + by < c is linear inequality in

Question # 27

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

Question # 28

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

Question # 29

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 # 30

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

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ECAT Mathematics Chapter 21 Important MCQ's

Sr.# Question Answer
1 If -1 < x < 0, which of the following statements must be true?
A. x < x2< x3
B. x < x3< x2
C. x2< x3< x
D. x2< x < x3
2 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
3 x = ________ is in the solution of 2x - 3 < 0
A. 2
B. -2
C. 3
D. 4
4 The feasible region which can be enclosed within a circle is called
A. Bounded region
B. Convex region
C. Unbounded region
D. None
5 A point (x,y) which satisfy a linear inequality in two variables form its
A. Solution
B. Domain
C. Range
D. None
6 x = ________ is in the solution of 2x + 3 > 0
A. 1
B. -2
C. -3
D. -4
7 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
8 Optimal solution is found by evaluation the objective function at
A. All point of feasible region
B. Corner point
C. Origin
D. None
9 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
10 3x + 4 < 0 is
A. inequality
B. equation
C. identity
D. not inequality

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