Natural Number is the smallest set of numbers.1 is the first Natural Number.
Whole number starts from 0.0 + Natural Numbers = Whole Number
WHOLE NUMBER
rational Numbers
The Numbers that can be written in the form of p/q is called rational Number.All decimal numbers ( except non terminating and non recurring) and fractional are rational number.
IRRATIONAL NUMBERR
If the numbers are not rational they are irrational