ECAT Mathematics Chapter 21 online mcq test with answers for chapter 21 (Linear Inequalities and Linear Programming)

ECAT Mathematics Chapter 21 Linear Inequalities and Linear Programming Online Test

Sr. #	Questions	Answers Choice
1	The point (1,3) is one solution of	3x + 5y > 29 3x + 5y < 7 x + 2y < 4 x + 4y > 3
2	Optimal solution is found by evaluation the objective function at	All point of feasible region Corner point Origin None
3	A function which is to be maximized or minimized is called an	Explicit function Implicit function Objective function None
4	Each point of the feasible region is called	Solution feasible solution Both a & b None
5	A point (x,y) which satisfy a linear inequality in two variables form its	Solution Domain Range None
6	A point where two of its boundary lines intersect is called	Corner point Feasible point Vertex Feasible solution
7	Corner point of the system x - y≤ 2,x + y≤ 4,2x -y≤ 6,x≥ 0,y≥ 0	(1,4) (4,2) (3,1) (4,1)
8	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	(1,0) (0,4) (3,0) (8,0)
9	Sum of two quantities is at least 20 is denoted by	x +y =20 x +y≥ 20 x +y≠ 20 x +y≤20
10	Maximum value of z =15x +20y subject to 3x+ 4y≤ 12,x,y≥ 0 is given by	46 60 50 70
11	The maximum value of Z = 3x+ 4y subjected to the constrains x+ y≤ 40,x+ 2y≤ 60, x≥ 0 and y≥ 0 is	120 100 140 160
12	The feasible region which can be enclosed within a circle is called	Bounded region Convex region Unbounded region None
13	The graph of y < 2 is the	Left half plane upper half plane Right half plane Lower half plane