# Every circle through the limiting points

1.  Bisects the circumference of every member

2.  Orthogonal to every circle belongs to the system

3.  Is bisected by the radical axis

4.  Belongs to the coaxal system

4

Orthogonal to every circle belongs to the system

Explanation :
No Explanation available for this question

# If 2x-3y=5 and 3x-4y=7 are the equations of two diameters of a circle whose area is 154 sq. units, then the equation of the circle is

1.  x2 + y2 +2x-2y-47=0

2.  x2 + y2 - 2x+2y-49=0

3.  x2 + y2 - 2x+2y+47=0

4.  x2 + y2 - 2x+2y-47=0

4

x2 + y2 - 2x+2y-47=0

Explanation :
No Explanation available for this question

# The parabola x2=py passes through (12,16).Then the focal distance of the point is

1.  18

2.  13

3.  73/4

4.  57/4

4

73/4

Explanation :
No Explanation available for this question

# Equation to the circle whose one of the diameters is the common chord of (x-a)2+y2=a2,x2+(y-b)2=b2 is

1.  x2+y2=ab/(a2+b2)(ax+by)

2.  x2+y2=2ab/(a2+b2)(ax-by)

3.  (a2+b2)(x2+y2)=2ab(ax+by)

4.  (a2+b2)(x2+y2)=2ab(bx+ay)

4

(a2+b2)(x2+y2)=2ab(bx+ay)

Explanation :
No Explanation available for this question

# The equation of the in circle of triangle formed by x=0, y=0 and x/3 + y/4 = 1 is

1.  x2 + y2 - 4x-4y+4=0

2.  x2 + y2 - 2x-2y=0

3.  x2 + y2 - 2x-2y+1=0

4.  x2 + y2 - 4x-4y=0

4

x2 + y2 - 2x-2y+1=0

Explanation :
No Explanation available for this question

# The circle with centre (2,3)and intersecting x2+y2-4x+2y-7=0 orthogonally has the radius

1.  4

2.  3

3.  2

4.  1

4

2

Explanation :
No Explanation available for this question

# The sum of the shortest and longest distances from the point (-3, 2) to the circle x2 + y2 - 2x+2y+1=0 is

1.  5

2.  4

3.  10

4.  2√5

4

10

Explanation :
No Explanation available for this question

# The centre of the circumscribing the quadrilateral whose sides are 3x+y=22, x-3y=14 and 3x+ y=62 is

1.  (3/2, 27/2)

2.  (27/2, 3/2)

3.  (27, 3)

4.  (1, 2/3)

4

(27/2, 3/2)

Explanation :
No Explanation available for this question

# The point on the circle x2 + y2 - 6x+4y-12=0 which is at maximum distance from the point (-9, 7) is

1.  (-1, 1)

2.  (7, -5)

3.  (0, -6)

4.  (0, 2)

4

(7, -5)

Explanation :
No Explanation available for this question

1.  √2

2.  2

3.  4

4.  ½

4