Question

Whole numbers $=$ natural numbers $+\left\{n\right\}.$ Find $n.$

Answer 1

Natural numbers are the set of positive integers, that is, integers from 1 to ∞ excluding fractional n decimal part. They are whole numbers excluding zero. Natural Numbers are also called counting numbers.

Zero is the only whole number which is not a natural number. It is represented by 0. "Zero is the only difference between natural and whole numbers."
Then whole numbers=natural number +n

As per definition n=0

then answer is zero