1) If $2A=3B=4C$, then $A:B:C$ is ; A) 2:2:4 B) 1:4:6 C) 6:4:3 D) 4:2:1 E) 4:6:1 Answer: Option CExplanation:Let $2A=3B=4C=k$. Then, $A=\frac{k}{2}$, $B =\frac{k}{3}$ and $C=\frac{k}{4}$ $\Rightarrow A:B:C$ $=\frac{k}{2}:\frac{k}{3}:\frac{k}{4}$ $= 6:4:3$.