Question

The mean age of five children in a family is 12 years.Work out the total age of the children.

Answer 1

$Mean\;Age\;of\;Five\;Children = \frac{Sum\;of\;Ages\;of\;Five\;Children}{5}$

Given the Mean Age of Five Children = 12

$\implies \frac{Sum\;of\;Ages\;of\;Five\;Children}{5} = 12$

⇒ Total Age of the Chidren = 12 × 5 = 60 Years