Question # 1

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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0

1

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The ratio in which the line y- x+ 2 =0 divides the line joining (3,-1) and (8,9) is

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2:3

-2:3

3:2

-3:2

The equations of the line thro' the point (2, 3, -5) and equally inclined to the axis are

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The distance of the plane 2x - 3y + 6z + 14 = 0 from the origin is

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14

2

-2

11

If distance of (a,b) from origin is 5 then

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a²+ b²=5

a = 5

b = 5

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 between the points (0 , 0) and (2, 1) is

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5

0

3

The distance between the points (1, 2) and (2, 1) is

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3

6

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

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2

3

5

The coordinates of a point P(x,y) referred to XY-system are

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(x+y,y+k)

(x-h,y-k)

(x,y)

(x-h,y-k)

The obtuse angle between lines = -2 and y = x +2 is

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120°

135°

150°

140°

The equation of the sphere passing thro' (0, 0, 0), (a, 0, 0), (0, b, 0), (9, 0, c) is

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x²+ y²+ z²+ 2 ax +2 by + 2cz = 0

x²+ y²+ z²- 2ax - 2 by - 2cz = 0

x²+ y²+ z²- ax - by - cz = 0

x²+ y²+ z²+ ax + by + cz = 0

The distance between the points A(-8,3) and B(2,-1) is

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116

none of these

The distance between the points (2,3) and (3,2) is

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5

2

10

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0

1

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

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-2

-3

2

3

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0

1

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1

2

3

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