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Mathematics ECAT Pre Engineering Chapter 18 Analytic Geometry Online Test MCQs With Answers
Question # 1
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Question # 2
The point of concurrency of the medians of the ΔABC is called its
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Orthocenter
Centriod
Circumcentre
Incentre
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Question # 3
Area of the triangle whose vertices are (2,3),(0,1),(0,0) is
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6
2
4
1
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Question # 4
The distance between the points (1, 2) and (2, 1) is
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3
6
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Question # 5
The centroid of a triangle divides each median in the ratio
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2 : 1
3 : 1
3 : 2
1 : 1
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Question # 6
The equations of the line thro' the point (2, 3, -5) and equally inclined to the axis are
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Question # 7
The distance between the points A(-8,3) and B(2,-1) is
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116
none of these
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Question # 8
The points A(+1,-1),B(3,0),C(3,7),D(1,8) are vertices of
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Square
Parallelogram
Rectangle
Trapezium
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Question # 9
For different values of k equation 4x+5y =k represents
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Parallel lines
Lines parallel to x -axis
Perpendicular lines
Lines parallel to y -axis
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Question # 10
The distance of the point (2.3) from x-axis is
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2
3
5
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Question # 11
The coordinates of the point that divides the join of A(-6,3) and B(5, -2) in the ratio 2:3 externally are
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Question # 12
The point of concurrency of the right bisectors of the sides of a triangle is called
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incentre
circum center
e-center
centroid
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Question # 13
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0
2
4/3
5/3
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Question # 14
The distance of the point (a,b) from y-axis is
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a
b
a + b
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Question # 15
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Question # 16
The angle between lines xy =0 is
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45°
60°
90°
180°
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Question # 17
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(3, 1, -2)
(3, -2, 1)
(2, -1, 3)
(-1, -2, -3)
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Question # 18
The distance between the points (2, 2) and (3, 3) is
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10
5
2
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Question # 19
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1
0
5
2
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Question # 20
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3
1
4
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Question # 21
64.A point (x, y, z) moves parallel to xy plane. Which of the three variables x, y, z remain fixed?
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z
x
y
x and y
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Question # 22
Any horizontal line divided the plane into
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Left half plane
Upper and lower half planes
Infinite number of horizontal liens
None of these
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Question # 23
The straight lines represented by the equation ax2+ 2hxy +by2 =0 intersects at
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(1,1)
(0,1)
(1,0)
(0,0)
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Question # 24
The foot of perpendicular from (
α
,
β
,
γ
) only y-axis is
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(
α
, 0, 0)
(0,
β
, 0)
(0, 0,
γ
)
(0, 0, 0)
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Question # 25
If distance between (3,b) and (0,0) is 3 then b = _______
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3
9
0
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Question # 26
The slope of y-axis is
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0
undefined
1
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Question # 27
The line l is horizontal if
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m is undefined
m=0
m=1
m=0-1
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Question # 28
The distance of the point (-2 , -3) from x-axis is
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2
-3
3
5
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Question # 29
The st. lines whose direction cosines satisfy al + bm + cn = 0, fmn + gnl + hlm=0 are perpendicular if
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Question # 30
The distance between two points P(x
1
, y
1
) and Q (x
2
, y
2
) is
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Question # 31
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0
undefined
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