The lines$\frac{x}{1}=\frac{y}{2}=\frac{z}{3}$ and $\frac{x-1}{-2}=\frac{y-2}{-4}=\frac{z-3}{-6}$ are
Answer & explanation
Correct answer: option 4
Clearly, direction ratios of two lines are proportional i.e. $\frac{1}{-2}=\frac{2}{-4}=\frac{3}{-6}$
So, given lines are parallel.