Natural Numbers are set of those numbers which start from 0 to infinite ∞ are called natural numbers.
Whole Numbers are set of natural numbers along with 0 are called whole numbers.
Intergers are set of all negative numbers, zero and positive numbers.
Rational numbers are those numbers which can be represented in p/q form where q≠0.
Irrational numbers are those numbers which cannot be represented in p/q form where q≠0.
The decimal expansions of rational numbers are both terminating and non-terminating repeating.
The decimal expansions of irrational numbers are non-terminating non-repeating.
Real numbers is a collection of sets of both rational and irrational numbers.