Mht CetThree Dimensional GeometryMHT CET 2026 16th April Evening ShiftMCQ+2 / -02026If the lines $2x = ky = -z$ and $6x = -y = -4z$ are perpendicular to each other then the value of $k$ is ...A$16$B$5$C$10$D$3$Check AnswerClear SelectionReveal AnswerShow Explanation