Question # 1

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9

-9

0

1

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x-axis

y-axis

z-axis

None of these

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

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Orthocenter

Centriod

Circumcentre

Incentre

The distance of the point (2, -3) from x-axis is

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-2

-3

2

3

The equation of the line perpendicular to x- axis and passing through (-5,3) is

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y -3 =0

x+ 3 =0

y- 3 =∞

x +5 =0

If k2x2 +2hxy- 4y2 =0 represents two perpendicular lines then

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k = 2

k = ±2

k = -2

k ≠0

The distance of the point (1.1) from the origin is

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0

2

The distance of the point (2.3) from x-axis is

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2

3

5

The coordinates of the point that divides the join of A(-6,3) and B(5, -2) in the ratio 2:3 internally

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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

If A(a,b) lies on 3x +2y =13 and point B(b,a) lies on x-y =5 then equation of AB is

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x- y= 5

x+ y+ =5

x+ y= -5

5x +5y =21

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a

2a

3a

4a

The distance of the point (-2 , -3) from x-axis is

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2

-3

3

5

If origin is the mid point of (a,3) and (5,b) then

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a = -5 , b = -3

a = 5 , b =3

a = -5 , b = 3

a = 5 , b = -3

The distance of the point (-2 , 3) from y-axis is

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2

-2

3

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

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1

2

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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(3, 1, -2)

(3, -2, 1)

(2, -1, 3)

(-1, -2, -3)

The two lines y = 2x and x =2y are

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Parallel

Perpendicular

Equally inclined with axes

Congruent

For all points (x,y) in second quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

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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Parallel to the plane

At right angles to the plane

Lies in the plane

Meet the plane obliquely

If line through (4,3) and (2,k) is perpendicular to y =2x +3, then k =_______

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-1

1

-4

4

For all points (x,y) in third quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

The distance of the point (-2 , -3) from y-axis is

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2

-2

3

-3

Number of lines passing through three non-collinear points is

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2

3

1

0

∞

If origin is the mid point of (a, -3) and (-5, b) then

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a = -5 , b = -3

a = 5 , b =3

a = -5 , b = 3

a = 5 , b = -3

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