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

Question # 3

s > t then

Question # 4

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

Question # 5

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

Question # 6

Optimal solution is found by evaluation the objective function at

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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 # 12

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

Question # 13

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

Question # 14

There may be ______ feasible solution in the feasible region

Question # 15

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

Question # 16

r + 3 >5 then which is true

Question # 17

3x + 4 = 0 is

Question # 18

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

Question # 19

The real numbers which satisfy an inequality form its

Question # 20

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 # 21

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

Question # 22

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

Question # 23

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

Question # 24

x = -1 is in the solution of the inequality

Question # 25

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

Question # 26

The point (1,3) is one solution of

Question # 27

The solution set of x < 4 is

Question # 28

ab > 0 and a > 0 then

Question # 29

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

Question # 30

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

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Sr.# Question Answer
1 3x + 4 = 0 is
A. not inequality
B. equation
C. identity
D. inequality
2 (1, 2) is in the solution of the inequality
A. 2x + y > 8
B. 2x + y < 6
C. 2x - y > 1
D. 2x + 3y < 2
3 Sum of two quantities is at least 20 is denoted by
A. x +y =20
B. x +y≥ 20
C. x +y≠ 20
D. x +y≤20
4 If x < y, 2x = A, and 2y = B, then
A. A = B
B. A < B
C. A < x
D. B < y
5 x = _________ is in the solution of 2x + 3 < 0
A. 0
B. 2
C. -1
D. -2
6 The real numbers which satisfy an inequality form its
A. solution
B. coefficient
C. domain
D. range
7 The graph of y < 2 is the
A. Left half plane
B. upper half plane
C. Right half plane
D. Lower half plane
8 2x + 3y > 4 is a linear inequality in
A. one variable
B. two variables
C. three variables
D. none of these
9 A point where two of its boundary lines intersect is called
A. Corner point
B. Feasible point
C. Vertex
D. Feasible solution
10 Each point of the feasible region is called
A. Solution
B. feasible solution
C. Both a & b
D. None

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