Question # 1

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a

2a

3a

4a

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Parallel to the plane

At right angles to the plane

Lies in the plane

Meet the plane obliquely

The point of concurrency of the medians of the ΔABC is called its

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Orthocenter

Centriod

Circumcentre

Incentre

The point R dividing externally the line joining the points P(x₁, y₁) and Q(x₂, y₂) in the ratio k₁: k₂has the coordinates

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The points (5, 0, 2), (2, -6, 0), (4, -9, 6) and (7, -3, 8) are vertices of a

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Square

Rhombus

Rectangle

Parallelogram

The line l is horizontal if

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m is undefined

m=0

m=1

m=0-1

If d₁is the distance between (0,0) and (1,2) and d₂is the distance between (0,0) and (2,1) then

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d₁= d₂

d₁<d₂

d_1>d₂

none of these

The distance of the point (a,b) from y-axis is

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a

b

a + b

The point which divides the line joining the points (2, 4, 5) and (3, 5, -4) in the ratio -2 : 3 lines on

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ZOX plane

XOY plane

YOZ plane

None of these

The mid point of the line segment joining the points A(3,1) and B(-2,-4) is

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(1, -3)

The point of concurrency of the angle bisectors of a triangle is called

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incentre

circumcentre

e-centre

centroid

The points (5, 2, 4)(6, -1, 2) and (8, -7, k) are collinear if k is equal to

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-2

2

3

-1

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x-axis

y-axis

z-axis

None of these

If distance between (3,b) and (0,0) is 3 then b = _______

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3

9

0

If distance of (a,b) from y-axis is 2 then

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a = 2

b = 2

a = b

a = 4

The direction cosines of a line equally inclined with co-ordinate axes are

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If the lines 2x-3y-1=0,3x-y-5=0 and 3x+py+8=0 meet at a unique point then

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p = -14

p = -1

p =0

p=12

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ECAT Mathematics Chapter 20 Analytic Geometry Online Test MCQs With Answers

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