Question

find the average of first six multiples of 3

Answer 1

3+6+9/2=9 is the answer for that question

Answer 2

First six multiples of 3 are 3,6,9,12,15,18

Average of first six multiples of 3 = sum of 6 multiples of 3/number of multiples.

= 3+6+9+12+15+18/6
= 63/6
= 10.5

Average of first six multiples of 3 is 10.5