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  4. If the straight lines (x-2/1)=(y-3/1)=(z-4/0) and (x-1/k)=(y-4/2)=(z-5/1) are coplanar, then the value of k is

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Q. If the straight lines $\frac{x-2}{1}=\frac{y-3}{1}=\frac{z-4}{0}$ and $\frac{x-1}{k}=\frac{y-4}{2}=\frac{z-5}{1}$ are coplanar, then the value of $k$ is

KEAMKEAM 2011Three Dimensional Geometry

Solution:

Correct answer is (b) $0$