Question

find the arithmetic mean of first five multiples of 5​

Answer 1

Answer:

15

Step-by-step explanation:

First five multiples of 5 are 5, 10, 15, 20 and 25.

Mean = $\frac{sum \: of \: all \: terms}{total \: number \: of \: terms}$

= $\frac{5 + 10 + 15 + 20 + 25}{5}$

= 75 ÷ 5

= 15.