Question

What is the arithmetic mean of the natural numbers from 10 to 30? *
18
16
20
20.5

Answer 1

Answer:

Arithmetic mean =

$\frac{a + b} {2}$

= Given : a =10 , b = 30

$= \frac{10 + 30}{2}$

$= \frac{40}{2}$

$= 20$

hope its help u