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

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

Question # 2

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

Question # 3

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

Question # 4

ab > 0 and a > 0 then

Question # 5

The graph of y> 0 is the upper - half of:

Question # 6

3x + 4 < 0 is

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

x = 1 is in the solution of the inequality

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The point ________ is in the solution of the inequality 2x - 3y > 5

Question # 17

3x + 4 > 0 is

Question # 18

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

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

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

Question # 22

A point where two of its boundary lines intersect is called

Question # 23

s > t then

Question # 24

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

Question # 25

There may be ______ feasible solution in the feasible region

Question # 26

3x + 4 = 0 is

Question # 27

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

Question # 28

The graph of y < 2 is the

Question # 29

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

Question # 30

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

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ECAT Mathematics Chapter 21 Important MCQ's

Sr.# Question Answer
1 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
2 x = ________ is in the solution of 2x + 3 > 0
A. 1
B. -2
C. -3
D. -4
3 3x + 4 > 0 is
A. equation
B. identity
C. inequality
D. none of these
4 x = ________ is in the solution of 2x - 3 < 0
A. 2
B. -2
C. 3
D. 4
5 Multiplying each side of an inequality by (-1) will:
A. Not effect
B. Change the sign
C. Become zero
D. Not defined
6 (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
7 A point (x,y) which satisfy a linear inequality in two variables form its
A. Solution
B. Domain
C. Range
D. None
8 The point ________ is in the solution of the inequality 4x - 3y < 2
A. (0,1)
B. (2,1)
C. (2,2)
D. (3,3)
9 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)
10 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
A. (1,0)
B. (0,4)
C. (3,0)
D. (8,0)

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