The correct option is A (163,6)
We know that the co-ordinates of the centroid of a triangle whose angular points are (x1,y1),(x2,y2),(x3,y3)are(x1+x2+x33,y1+y2+y33)
So the co-ordinates of the centroid of a triangle whose vertices are (0, 6), (8, 12) and (0, 8) are (0+8+83,6+12+03)or(163,6)