Mathematics MCQS for class 12 with Answers Chapter 5

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Mathematics MCQS for class 12 with Answers


Solution of inequality x + 2y < 6 is
(1, 4)
(1, 3)
(1, 1)
(1, 5)

ax+by<c is a linear inequality in:
Three variables
One varaible
None of these
Two variables

(0, 0) is in the solution of inequality
3x + 5y > 7
3x + 5y > 7
7x + 2y > 0
x – 3y > 0

The operation _________ by a positive constant to each side of inequality will not effect the order (or sense) of inequality
Subtracing
Dividing
Adding
None of these

The feasible solution which maximum or minimize the objective function is called the
Optimal solution
Feasible region
Feasible solution
Convex region

A non-vertical line divides the plane into two half planes:
None of these
Left & right
Upper & lower
Both (a)&(b)

x = 01 is solution of inequality
2x + 3 > 0
x > 0
2x + 3 < 0
x + 5 < 0

There are _________ ordered pairs that satisfy the inequality ax + by < c
ax + by > c
ax + by < c
ax + by = c
ax + by > c

The inequality x < a is the open half plane to the ___________ of the boundary line x = a
Left
Below
Right
Above

ax = by < c is an inequality of two variables
Two variable
Three variable
None of these
One variable

The graph of 2x + y > 2 is the closed half plane the region is _________ the origin side of 2x + y =2
On
Not on
At
None of these

The graph of the inequality ax + by < c is
Parabola
Straight line
Circle
Half plane

Non-vertical lines divide the plane into ________ half plane
Upper and lower
None of these
Many
Left and right

A function which is to be maximized or minimized is called an:
Implicit function
None of these
Explicit function
Objective function

Point (1, 2) lies in the region of inequality
2x + y < 5
2x + y < 3
2x + y > 5
2x + y > 5

A point of a solution region where two of its boundary lines intersects is called a ___________ of the solution region
Maximum
Vertex
Minimum
None of these

The feasible region is _______ if it cannot be enclosed in a circle
Bounded
Unbounded
None of these
Exist

A point of a solution region where two of its boundary lines intersect, is called:
Corner point
None of these
Both(a)&(b)
Vertex

The centre of the circle (x – 5)2 + (y-3)2 = 8 is
(-5, 3)
(5, -3)
(-5, -3)
(5, 3)

ax + b > c is an inequality of
None of these
One variable
Three variable
Two variable

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