### A strange NUMBER THEORY Problem

Posted:

**Sun Dec 10, 2017 12:38 pm**Because its hard for me so I am posting it here

The sum of three number is 12.Of them the sum of two number is 13.If the 3rd number is a natural number then what is it?

I have found it in

The sum of three number is 12.Of them the sum of two number is 13.If the 3rd number is a natural number then what is it?

I have found it in

**Bigganchinta**November 2017.Please help me to solve it.