Question

find arthmatic mean of even numbers among the first 10 natural numbers​

Answer 1

$\bigstar$ Solution:

The first 10 even natural numbers are 2, 4, 6, 8, 10, 12, 14, 16, 18 and 20.

Mean of first 10 even natural numbers = $(2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20)$ ÷ $10$

$\implies 110$ ÷ $10$

$\implies \boxed{\underline{\underline{11}}}$