# Name the octant in which the point $(4,-2,-5)$ lies.

$\begin{array}{1 1}\text{2nd octant} \\ \text{4th octant } \\ \text{6th octant} \\ \text{8th octant }\end{array}$

If the $y$ and $z$ coordinates are $-ve$ and $x$ coordinate is $+ve$,
then the point lies in $8^{th}$ octant.