Question

find the average of the first five multiples of three​

Answer 1

First five multiples of 3= 3,6,9,12,15

Average=(3+6+9+12+15)/5

=9(Ans.)

Answer 2

Given:

We have to find the first five multiples of 3

Concept Used:

Average = Sum of observation/Number of observation

Calculation:

First five multiple of 3 are

3 × 1 = 3

3 × 2 = 6

3 × 3 = 9

3 × 4 = 12

and 3 × 5 = 15

Average of first five multiples of 3 are (3 + 6 + 9 + 12 + 15)/5 = 9

∴ The average of first five multiples of 3 is 9.