Question:
Mark against the correct answer in each of the following:
The plane $2 x+3 y+4 z=12$ meets the coordinate axes in $A, B$ and $C$. The centroid of $\triangle A B C$ is
A. $(2,3,4)$
B. $(6,4,3)$
C. $\left(2, \frac{4}{3}, 1\right)$
D. None of these
Solution:
