[" 10.Three vertices of a triangle are "P(4,3),Q(1,-1)" and "R(7,k)],[" If the centroid,orthocentre,incentre and circumcentre of the "],[Delta PQR" lie on the same straight line,then "k" can be: "]

Three vertices of a triangle are A(4,3);B(1,-1) and C(7,k). Value(s) of k for which centroid,orthocentre,incentre and circumcentre of the Delta ABC lie on the same straight line is/are-

Three vertices of a triangle are A(5,4),B(2,0) and C(8,k). Value(s) of k for which the centroid, the orthocentre, the incentre and the circumcentre of triangle ABC lie on the same straight line is/are

The vertices of a triangle are A(-10, 8), B(14,8) and C(-10, 26) . Let G, I, H, O be the centroid, incentre, orthocentre, circumcentre respectively of Delta ABC .

The vertices of a triangle are the points P(-26, 17), Q(30, 17) and R(10, 2) . If G and I be the centroid and incentre of the triangle PQR, then the value of (GI)^(2) is equal to

The vertices of a triangle are the points P(-26, 17), Q(30, 17) and R(10, 2) . If G and I be the centroid and incentre of the triangle PQR, then the value of (GI)^(2) is equal to

The base vertices of an isosceles triangle PQR are Q (1,3) and R(-2, 7). The vertex P can be-

The base vertices of an isosceles triangle P Q R are Q=(1,3) and R=(-2,7) . The vertex P can be

Two vertices of a triangle are (3,-2) and (-2,3) and its orthocentre is (-6,1) . Then the third vertex of this triangle can not lie on the line

Two vertices of a triangle are (3,-2) and (-2,3) and its orthocentre is (-6,1) . Then the third vertex of this triangle can not lie on the line