Question:
Mark against the correct answer in each of the following:
If the line $\frac{x-4}{1}=\frac{y-2}{1}=\frac{z-k}{2}$ lies in the plane $2 x-4 y+z=7$, then the value of $k$ is
A. $-7$
B. 7
C. 4
D. $-4$
Solution:
