The ratio in which the line joining the points $(a, b, c)$ and $(-a, -c, -b)$ is divided by the $xy$-plane is

The point $\left( \frac{1}{2}, -\frac{13}{4} \right)$ divides the line segment joining the points $(3, -5)$ and $(-7, 2)$ in the ratio of:

If the points $A(-1,0,7), B(3,2, t), C(5, k,-2)$ are collinear,then the ratio in which the point $P(t, k-2t, t+k)$ divides the line segment $BC$ is

The point which divides the line segment joining the points $(2, 4, 5)$ and $(3, 5, -4)$ in the ratio $-2 : 3$ lies on which of the following?

If the point $(3,4,5)$ divides the line segment joining the points $(1,2,3)$ and $(4,5,6)$ in the ratio $\lambda: 1$,then the point which divides the line segment joining the points $(3,4,5)$ and $(1,2,3)$ in the ratio $-1: \lambda$ is

The harmonic conjugate of $(2,3,4)$ with respect to the points $(3,-2,2)$ and $(6,-17,-4)$ is