Mathematics MCQS for class 12 with Answers Chapter 4

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Mathematics MCQS for class 12 with Answers


The point of intersection of medians of a triangle is called
Incentre
Orthocentre
Centroid
Circumventer

In a plane, two mutually perpendicular lines are called
Co-ordinate axis
Radii
Altitudes
Medians

Mid-point of the line segment joining the points (3,1) and (-3,1) is
(1, 1)
(0,0)
(2, 2)
(3, 3)

If (2,2) is the mid point of the segment joining points (4,6) and (a,b) the
a = -2, b = 0
a = 2, b = 1
a = 0, b = 0
a = 0, b = -2

If y=0 then the point P(x,y) is on
x-axis
y-axis
4th quadrant
Origin

General form of equation of a line is:
ax+by-c=0
ax+by+c=0
ax-by-c=0
ax-by+c=0

If two lines are parallel then
m1m2= 1
m1m2= -1
m1– m2= 0
m1+ m2= 0

If a line lis parallel to x-axis then inclination
180°
90°
45°

If x-5y+30=0 then slope-intercept form is:
y= x/5 + 6
y=x+6
y= x/5 – 6
y= -x/5 – 6

Equation of a straight line passing through p(a, b) and parallel to x-axis is
x = b
y = a
y = b
x = a

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