PaceTokn 3x+4y+z-12=0 OX, OY, OZ paBHBI: 3;4;12 4;3;12 4;5;12 6:3:12

The equation of the plane is given by $3x+4y+z-12=0$. The coefficients of $x$, $y$, and $z$ in the equation represent the direction ratios of the normal to the plane. Therefore, the direction ratios of the normal to the plane are $3$, $4$, and $1$. The correct answer is $3;4;1$.