# If P (at21,2at1)and Q (at22,2at2),are variable points on the curve y2 = 4ax and PQ subtends a right angle at the vertex , than t1t2

1.  -1

2.  -2

3.  -3

4.  -4

4

-4

Explanation :
No Explanation available for this question

# The number of lines that can be drawn through the point (-3, 4) at a distance of 5 units from the point (2, -8) is

1.  0

2.  1

3.  2

4.   Infinite

4

2

Explanation :
No Explanation available for this question

# The number of lines that can be drawn through the point (5, 2) at a distance of 5 units from the point (2, -2) is

1.   0

2.   1

3.  2

4.  Infinite

4

1

Explanation :
No Explanation available for this question

# The number of lines that can be drawn through the point (4, ) at a distance of 3 units from the point (-2, 0 ) is

1.  0

2.  1

3.  2

4.   Infinite

4

2

Explanation :
No Explanation available for this question

# The number of lines that can be drawn through the point (4, -5) at a distance of 10 units from the point (1, 3) is

1.  0

2.   1

3.  2

4.   Infinite

4

0

Explanation :
No Explanation available for this question

# Which of the following statement is correct

1.  The internal of  bisector of angle of a triangle are concurrent

2.  One internal bisector and the other two external bisectors of  angles of a triangle are concurrent

3.  One external bisector and two other internal bisectors of angles of angle are concurrent

4.  One

4

One external bisector and two other internal bisectors of angles of angle are concurrent

Explanation :
No Explanation available for this question

# Which of the following statement is incorrect

1.   The medians of triangle are concurrent The medians of triangle are concurrent                                                                                                       2) The internal bisectors of angles of a triangle are concurrent                                                                      3) The perpendiculars drawn at the midpoints of sides of a triangle are concurrent                                         4) None

2.  The internal bisectors of angles of a triangle are concurrent

3.  The perpendiculars drawn at the midpoints of sides of a triangle are concurrent

4.  None

4

None

Explanation :
No Explanation available for this question

# The centroeid of the triangle formed by the lines x+y-1=0, x-y-1=0, x-3y+3=0 is

1.  (4/3, 1)

2.  (-4/3, 1)

3.  (8/3, 3)

4.  (-8/3, 3)

4

(4/3, 1)

Explanation :
No Explanation available for this question

# The point on the line 2x-3y=5 which is equidistance from (1, 2) and (3, 4) is

1.  (-2, 2)

2.  (4, 1)

3.  (1, -1)

4.  (4, 6)

4

(4, 1)

Explanation :
No Explanation available for this question

1.  (7, -4)

2.  (15, -10)

3.  (1/7, 8/7)

4.  (0, 5/4)

4