Question

Which of the follwoing is true?

• A. All natural numbers are whole numbers.
• B. All whole numbers are natural numbers.
• C. 0 is a natural number.
• D. None of these

Answer 1

The correct option is A All natural numbers are whole numbers.

Natural number are the positive number starting from 1 like 1, 2 ,3 ,4........
$\Rightarrow$ 0 is not a natural number

Whole numbers are the natural numbers starting from 0 like 0, 1, 2,3 .....

Hence, all natural numbers are not whole numbers as 0 is not a natural number.