Question

The sum of three consecutive odd numbers is $129$. What are the numbers?

Answer 1

Let $x$ be the odd number,

So, consecutive three no. will be, $x-2,x,x+2$

Their sum, $x-2+x+x+2=129$

$⟹3x=129$

$⟹x=43$

Hence number are, $41,43,45$