# The equation of the plane that meets the coordinate axes at the points $A,B,C$ respectively and the centroid of the $\Delta\:ABC$ is $(2,1,5)$ is ?
$(a)\:5x+10y+2z-30=0\:\:\qquad\:(b)\:2x+y+5z-30=0\:\:\qquad\:(c)\:5x+10y+2z+30=0\:\:\qquad\:(d)\:2x+y+5z+30=0$