Question

Give one example each to the following statements.
A whole number which is not a natural number

Answer 1

Whole numbers start from $0$

$0,1,2,3,4,....................$

Natural number start from $1$

$1,2,3,4,5,6,\mathrm{7....................}$

So, the number which is a whole number and not a natural number is $0$.