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

ECAT Pre General Science 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