Question

find average of first 8 multiples of 4​

Answer 1

$\huge \underline {\bf{Question}} \\ \\ \bf{find \: the \: average \: of \: first \: 8 \: multiple \: of \: 4} \\ \\ \huge \red{ \bf{ \underline{Solution}}} \\ \\ \bf{ first \: 8 \: multiple \: of \: 4 \: are} \\ \\ 4 ,\: 8 ,\: 12, \: 16 ,\: 20 ,\: 24, \: 28, \: 32 \\ \\ \green{\bf{we \: know \: that}} \\ \\ \bf{average = \frac{sum \: of \: observation}{total \: number \: of \: observation}} \\ \\ \bf{average} = \frac{4 + 8 + 12 + 16 + 20 + 24 + 28 + 32}{8} \\ \\ \bf{average} = \frac{144}{8} \\ \\ \red{\boxed{ \bf{average} = 18}}$