###
**If the arithmetic mean of 0, 5, 4, 3 is a, that of -1, 0, 1, 5, 4, 3 is b and that of 5, 4, 3 is c, then the relation between a, b, and c is.**

A. a = b = c
B. a : b : c = 3 : 2 : 4
C. 4a = 5b = c
D. a + b + c = 12
**Answer: Option B**

## Show Answer

Solution(By Apex Team)

We have
$\begin{aligned}&a=\frac{0+5+4+3}{4}=3\\
&b=\frac{-1+0+1+5+4+3}{6}=2\\
&c=\frac{5+4+3}{3}=4\\
\therefore\ &a:b:c=3:2:4\end{aligned}$

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