Average of first five odd multiples of 3 is

Solution (By Examveda Team)

According to the question,
First five odd multiples of 3 is = 3, 9, 15, 21, 27
$$\eqalign{ & \therefore {\text{Average}} = \frac{{3 + 9 + 15 + 21 + 27}}{5} \cr & = \frac{{75}}{5} \cr & = 15 \cr} $$