Slope of line having equation : $$ax + by + c = 0$$ is $$frac{-a}{b}$$ Slope of line passing $$3x - 6y = 4$$ is $$frac{-3}{-6}$$ = $$frac{1}{2}$$ Slope of two parallel lines is always equal. => Slope of the line parallel to the line having slope 1/2 = $$frac{1}{2}$$ => Ans - (B)